Workshop Manual Octavia Electrical System

Service

Workshop Manual

Service Department. Technical InformationS00.5117.50.20 Edition 08.96

Electrical System

The Workshop Manual is intended only for use within the KODAOrganisation; it is not permitted to pass it on to third parties. 1996 KODA, automobilov a.s.

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27 Starter/Power Supply

Edition 03.99

Testing electrolyte density

The electrolyte density, in combination withthe voltage measurement (under load), pro-vides accurate information regarding thecharge state of a battery. Use a hydrometerfor the test.

The greater the density of the electrolyteextracted from the battery, the more the floatrises. The electrolyte density can be read offon the scale as a specific weight (in kg/dm3).

The following measurements must be achieved:

Charge state in moderate Specific density inclimatic zones (kg/dm3)discharged 1.15half charged 1.22well charged 1.28

Charge state in tropical Specific density inclimatic zones (kg/dm3)discharged 1.08half charged 1.16well charged 1.23

Starter/Power Supply 27

Edition 08.96

Battery care:Batteries which have not been used for a consi-derable time (e.g. in stock vehicles), dischargeand in addition a sulphate coating may form onthe plates. If such batteries are quick-chargedwith traditional chargers, they do not accept anycharge current or the charger indicates too soonthat they are fully charged as a result ofso-called surface charging. The batteries areapparently faulty.

- Before considering such batteries as faulty,carry out the following check:

If the electrolyte density in all the cellsdoes not differ by more than 0.04 kg/dm3(e.g. 1.15...1.11) from each other, thebattery should be charged. After complet-ing charging of the battery, test the batteryby conducting a load test. The battery isfaulty only if this test reveals that the testspecifications are not met.

If the electrolyte density in one or twoadjacent cells is significantly lower (e.g.five cells indicate 1.16 and one cell 1.08),the battery has a short circuit and is faulty.

Charging battery

Notes: Do not enter areas in which batteries are

being charged with a naked light or whensmoking. Keep precision tools away fromsuch areas.

The battery should have a temperature of atleast 10 C before being charged.

The battery charger V.A.G 1471 can be used tostandard-charge up to four 12V batteries andalso batteries with different capacities (Ah =amperehours) and rated voltages. If the batteriesbeing charged have different capacities andcharge states, charging should be properlysupervised.

Note:It is essential to switch off the charger beforeconnecting a battery.


Edition 08.96

- Always disconnect the battery earth strap/cable and the positive cable at the battery.

- Connect the positive terminal of the batteryto the positive terminal of the charger, andthe negative terminal of the battery to thenegative terminal of the charger.

- Switch on charge current. The charge currentvaries according to the capacity of the battery.It should be about 10 % of the batterycapacity, e.g. 45 Ah battery = 4.5 A with amax. charge voltage of Umax = 14.4 V.

- If the battery voltage has dropped below11.6 V, the charging time will be about 24hours.

Quick-charging/jump-starting- Quick-charging can be carried out with the

battery tester and charger VW 1266 whereasthe battery-starter charger V.A.G 1472 canalso be used for jump-starting.

Note: Batteries should be quick-charged only in

exceptional cases. Batteries are damaged as a result of quick-

charging.

Removing and installing battery

Removing:

- Remove battery protective cover -A- (Velcrofastener).

- Open main fuse box -B- to the front.

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Edition 01.98

Models with petrol engine

Removing:

Note:Before disconnecting the battery, check whetherradio set is provided with anti-theft code anddetermine code.

- First of all disconnect battery earth strap atthe negative terminal of the battery.

Note:Before removing the ribbed V-belt, mark thedirection of running for reinstalling.

- Swivel tensioning pulley in direction of arrowfor slackening the ribbed V-belt.

- Take off ribbed V-belt.

Removing and installingalternator

Important!Disconnect battery earth strap before carryingwork on the electrical system.

- Unbolt the cable -1- (B+) and unplug theconnector -2-.

- Unscrew cable clip -3- (is provided only forattaching the cable).

- Remove the bolts attaching the alternator.

Installing:

Note:Knock back the threaded bushes for the boltsfor attaching the generator about 1 mm beforereinstalling.

- Please carry out installation in the reverseorder.

- After installing, carry out the anti-theft codingas stated in the operating instructions for theradio.


Edition 01.98

Tightening torques:

Component NmAlternator to bracket 25AC compressor to bracket 45Ribbed V-belt tensioner to bracket 25

Models with diesel engine

Removing:

Note:Before disconnecting the battery, check whetherradio set is provided with anti-theft code anddetermine code.

- First of all disconnect battery earth strap atthe negative terminal of the battery.

- Unscrew cable clip -3-.

- Unbolt the cable -1- (B+) and unplug theconnector -2-.

Note:Before removing the ribbed V-belt, mark thedirection of running for reinstalling.

- Position a flat ring wrench at the hexagon ofthe tensioning pulley.

- Swivel tensioning pulley in direction of arrowfor slackening the ribbed V-belt.

- Take off ribbed V-belt.

- Remove tensioning element for ribbed V-belt.

- Remove the bolts attaching the alternator.

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Edition 08.96

Removing and installingstarter

Important!Disconnect battery earth strap before carrying outany work on the electrical system.

Removing:

Note:If the radio set is fitted with an anti-theft code,determine the code before disconnecting thebattery.

- First of all disconnect the battery earth strapand the negative terminal of the battery.

Models with diesel engine:

- Remove battery page 27-4.

- Remove battery mounting bracket -arrow-.

All models:

- Unplug connector -1- and pull out of theholder.

- Unbolt cable -2- and unplug connector -3-.

- Take wiring out of the cable duct.

- Unscrew top bolt securing starter.


Edition 08.96

- Unbolt pressure pipe for power-assistedsteering from bracket -arrow on right-.

- Unscrew bottom bolt securing starter.

- Take out starter downward.

Installing:

- Carry out installation by adopting the sameprocedure in the reverse order.

- After installing, carry out anti-theft coding ofthe radio set according to the instructions.

Tightening torques:

Component NmStarter to gearbox 65Pressure pipe to bracket 20

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90 Gauges/Instruments

Edition 08.96

In addition, the following adaptation functionscan be performed:

Correction of fuel tank sender characteristiccurve

Correction of fuel consumption display

Adaptation of service interval display

Adaptation of odometer if dash panel insertreplaced

Notes reference replacing the dash panelinsert

The dash panel insert must not be dis-mantled.

All the indicator/warning lights which are de-signed as bulbs, can be replaced individually page 90-31.

The kilometre reading and the service inter-val display can be adapted using the vehiclesystem tester V.A.G 1552 if the dash panelinsert is replaced page 90-14.

If the control unit in the dash panel insert detectsa fault at the ROM, the display dEF appears inthe trip counter.

- If the display dEF appears, replace the dashpanel insert page 90-29.

Initiating self-diagnosis of the dashpanel insert

Test requirements:

Test if fuse according to current flow diagramo.k.

Always test the coding of the dash panel insertaccording to the code table page 90-11.

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Gauges/Instruments 90

Edition 08.96

05 - Erasing fault memory page 90-9.

06 - Ending output page 90-10.

07 - Coding control unit page 90-10.

08 - Reading measured value block page 90-12.

10 - Adaptation page 90-14.

Interrogating fault memory

Note:The fault information displayed is not updatedconstantly but only when self-diagnosis isinitiated or if the function 05 Erase fault memoryis selected.

- Switch on printer with Print key (indicator lightin the key comes on).

Readout on display:

- Press keys 0 and 2 (the function Interrogatefault memory is selected with 02) andconfirm entry with the key Q.

The number of stored faults appears on thedisplay.

The stored faults are displayed one after theother.

- Refer to the fault table for the fault displayedand rectify fault page 90-6.

If No fault recognised appears on the display,the programme is returned to the initial settingafter pressing the key.

Readout on display:

If a different readout appears on the display: Operating instructions of fault reader

- End output (function 06) page 90-10.

Test of vehicle systems HELPSelect function XX

X faults recognised!

No fault recognised!


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Edition 01.98

- Press key.

Readout in display:

Warning lights forcoolant temperature/coolant levelfuel levelengine oil pressurebrake fluid

are actuated and come on simultaneously.

- Press key.

Readout in display:

The seat belt warning light (K19) is actuated andshould come on (USA only).- Press key.

Readout in display:

The gong is actuated and sounds continuously.

- Press key.

Readout in display:

All the display points of the multifunction displayand/or of the LCD trip counter are actuated (allsegments).- Press key.

Following the sweep of the indication ranges,the following fixed values are displayed:

Coolant temperature gauge: approx. Rev counter: approx. 3000 rpmSpeedometer: approx. 100 km/hFuel gauge: approx.

Final control diagnosis Warning light test instrument cluster

Final control diagnosis Seat belt warning light -K19

Final control diagnosis Gong

Final control diagnosis Segment test


Edition 01.98

Readout in display:

The coolant temperature warning light beginsto illuminate and a warning signal sounds (onlywith Climatronic).- Press key.

Readout in display:

- Press key.

Readout in display:

Erasing fault memory

Note:After the fault memory is erased, the contentsare automatically output. If it is not possible toerase the fault memory, once again interrogatefault memory and rectify and faults.

Requirements:Fault memory interrogated page 90-5.All faults rectified.

After completing interrogation of fault memory:

Readout in display:

- Press keys 0 and 5 (the function Erase faultmemory is selected with 05) and confirmentry with the key Q.

Readout in display:

The fault memory is thus erased.

- Press key.

Readout in display:

Notes:If this readout appears in the display, the test

procedure was not carried out correctly.Adhere strictly to test procedure: first of all

interrogate fault memory, rectify any faults,and then erase fault memory.

Final control diagnosis Coolant excess temp. test

Function is unknown or cannot be carried out at the moment



Test of vehicle systems Fault memory is erased!


Test of vehicle systems Fault memory was not interrogated


Edition 12.98

Test of vehicle systems HELPEnter address word XX

Test of vehicle systems Q06 - End output

Code control unitEnter code number XXXXX (0-32000)

Ending output

- Press keys 0 and 6. (The function End out-put is selected with 06.)

Readout in display:

- Confirm entry with the key Q.

Readout in display:

- Switch off ignition.

- Separate plug connections to vehicle systemtester V.A.G 1552.

Coding control unit

The dash panel insert can be coded as followswith this function:

Additional equipment or gearbox versions

National versions

Number of cylinders

Engine versions

Notes: By coding the dash panel insert, the various

possible combinations of the dash panel in-sert are set depending on the equipment,national version, number of cylinders andtype of engine.

If the dash panel insert is replaced, the re-placement dash panel inserts are alreadycoded. It is only necessary to code the na-tional version Saudi Arabia and vehicles witha 1.9l/81 kW TDI engine.

Performing coding

- Press keys 0 and 7.


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Edition 08.96

Contact assignment at fuel gaugesender -G

The fuel gauge sender is located below the rearseats.

- Remove rear seat General Body Repairs; repair group 72; Rear

seats; Removing seat bench and backrest(split)

- Take out cross-head screws -arrows- andtake off the cover -1-.

- Unplug connector -1- from the fuel tanksender.

Testing coolant temperature sender

Test the signal at the multi-pin connector of thedash panel insert.

- Remove dash panel insert page 90-29.

- Connect test box V.A.G 1598 with adapterV.A.G 1598/25 to the blue 32-pin connector.

- Use multimeter V.A.G 1526 A to measurethe resistance between contact 8 and contact7 (signal earth).

Specifications:

Coolant temperature 90 C: about 110 ohms

Coolant temperature 120 C: about 50 ohms


Edition 03.99

Testing road speed signal

If a fault exists in the cruise control system atthe speedometer, it is necessary to test whethera signal exists at the speedometer.

- Connect vehicle system tester V.A.G 1552 page 90-3.

- Read measured value block page 90-12.

- Select display group number 001 and con-duct a road test.

If the road speed appears in the display of thevehicle system tester V.A.G 1552, the dashpanel insert is faulty and must be replaced.

If no road speed appears in the display of thevehicle system tester V.A.G 1552, it is then nec-essary to test the signal at the multi-pin plugconnection at the dash panel insert.

- Remove dash panel insert page 90-29.

- Connect test box V.A.G 1598 with adapterV.A.G 1598/25 to the blue 32-pin connector.

- Use multimeter V.A.G 1526 A to measurethe voltage between contact 28 and vehicleearth.

- Move the vehicle back and forward slightly.

Specifications:

The vehicle must rise from 0 V to about 12 Vand drop again to 0 V (pulsating direct voltage).If the test is not o.k., test the cable connectionto the road speed sender.

- Test cable connection according to currentflow diagram.

Current Flow Diagrams, Electrical FaultFinding and Fitting Locations binder.

If the cable connection is o.k., the road speedsender should be replaced.

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Radio/Two-Way Radio/Mobile Phone 91

Edition 12.98

Tweeter rear right -8- and left -5-

Installed next to the door handle

Diameter 36 mm

Chamber assignment of multiple-plug con-nections I, II, III at the back of the radio - upto MY 98

Multiple-plug connection I, 104 - Muting (phone operation)

Multiple-plug connection II, 81 - Loudspeaker + rear right2 - Loudspeaker - rear right3 - Loudspeaker + front right4 - Loudspeaker - front right5 - Loudspeaker + front left6 - Loudspeaker - front left7 - Loudspeaker + rear left8 - Loudspeaker - rear left

Multiple-plug connection III, 84 - Battery + (Term. 30)5 - Positive connection for electronically

amplified roof aerial6 - Lighting (Term. 58b)7 - Connection for ignition-key controlled

activation and de-activation (S contact)8 - Battery - (Term. 31)

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91 Radio/Two-Way Radio/Mobile Phone

Edition 08.96

General summary of radio systems

1 - Radio Installed in centre console Removing and installing page 91-5

2 - Tweeter Technical data:

Nominal resistance = 4 ohms Installed in inside of exterior mirror

cover Removing and installing

Removing and installing speakers

3 - Roof aerial with aerial amplifier Removing and installing

Removing and installing roof aerial

4 - Woofer Technical data:

Nominal resistance = 4 ohms Installed in left of rear shelf Removing and installing


5 - Tweeter Technical data:

Nominal resistance = 4 ohms Installed next to rear door handle Removing and installing


6 - Woofer Technical data:

Nominal resistance = 4 ohms Installed in door pocket Removing and installing



Edition 01.98

Removing and installing radio set

Note:Determine the code number of the radio set,before removing radio.

Removing:

- Insert both release tools, e.g. special tool-V160, as illustrated, into the front of theradio.

- Press release tools in direction of arrow andpull radio out of dash panel.

- Disconnect aerial cable.

- Unplug connectors.

Installing:

- Remove both release tools from the radio.

- Attach aerial cable to radio set.

- Plug in connectors.

- Carefully insert radio into dash panel.


Removing and installing front woofer

Removing:

- Unclip the speaker cover panel.

- Remove the Torx screws (4 x T20) -arrows-at the woofer and take the speaker out ofthe fixture.

- Separate the electrical connectors at thespeaker.

Installing:

- Carry out installation in the reverse order.

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Edition 12.98

Mobile phone systems

Warning!Disconnect battery earth strap before performingany work on the electrical system.

Notes: Before disconnecting the battery, determine

the code number of radio sets with anti-theftcoding.

When the battery is re-connected, check thevehicle equipment:- Carry out coding of radio- Reset clock time- Initialise power windows

Inspection and Maintenance

Mobile phone systems come in two versions.As a complete phone system and as mobilephone pre-wiring.

Subsequent mounting of mobile phones is pos-sible in vehicles with mobile phone pre-wiring.To operate in koda vehicles mobile phonesrequire their own control electronics, the so-called interface box. This interface box ensuresthe connection between mobile phone and thevehicle components via a standard VDA plugconnection.The koda series phone is connected to thisVDA plug connection via a special interface box.Contact the relevant mobile phone manufacturerto determine which interface box is required forother mobile phone makes. Interface boxes with-out VDA plug require an adapter (e.g. of the firmVotex).The following pages give an overview of thepossible versions.

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Edition 03.99

1U0035186C Radio 0002 Coding 01403 WSC XXXXX

Test of vehicle systems HELPControl unit does not answer!

Test of vehicle systems HELPFault in communication build-up

Test of vehicle systems HELPK wire not switching to earth

Test of vehicle systems HELPK wire not switching to positive

The display appears after about 5 seconds, e.g.:1U0035186C: set version number of radio

set

Radio: component designation0002: software versionCoding 01403: coding of radio setWSC XXXXX: workshop code

Readout in display of radio during self-diagno-sis: DIAG.

- Press the key.

If one of the following messages appears in thedisplay, carry out fault finding according to faultfinding programme diagnostic cable.Current Flow Diagrams, Electrical Fault

Finding and Fitting Locations binder

- After pressing the HELP key, a list of thepossible functions is displayed.

- Continue in the test programme by pressingthe key.

Self-diagnosis functions

The following functions are possible:

02 - Interrogating fault memory page 91-18.

03 - Final control diagnosis page 91-21.

05 - Erasing fault memory page 91-18.

06 - Ending output page 90-10.

07 - Coding control unit (gamma radio)

page 91-22.

08 - Reading measured value block

page 91-24.


Edition 03.99


X faults recognized!


Test of vehicle systems Fault memory is erased!

Interrogating and erasing faultmemory

Special tools, testers and aids requiredVehicle system tester V.A.G 1552 with cable

V.A.G 1551/3

- Switch on the ignition.

- Connect vehicle system tester V.A.G 1552and select radio set (address word 56)

page 91-16.

Readout in display:

- Press the keys 0 and 2 for the function In-terrogate fault memory and confirm the en-try with the key Q.

The number of stored faults or no fault recog-nized! appears in the display.

If one or several faults are stored:

The stored faults are displayed one after theother.

Readout in display:

- Press keys 0 and 5 for the function Erasefault memory and confirm the entry with thekey Q.

Note:If you have switched off the ignition betweenInterrogating fault memory and Erasing faultmemory, the fault memory is not erased.

Readout in display:

- Press the key.

- Press keys 0 and 6 for the function Endoutput and confirm the entry with the key Q.

- Rectify the faults displayed by referring to thefault table page 91-19.


Edition 03.99


If no fault is stored:

- Press the key.

Readout in display:

- Press keys 0 and 6 for the function Endoutput and confirm the entry with the key Q.

Fault table

Notes:If components are shown as faulty:

First of all test the wiring and plug connections to thesecomponents and also the earth cables of the systemaccording to the current flow diagram. Replace the com-ponent only if no fault is found here. This applies inparticular if faults are displayed as sporadically occur-ring (SP).

The fault table is arranged according to the 5-digit faultcode shown on the left.Explanations to types of faults (e.g. open/short circuit

to earth):Operating Instructions of fault reader

Readout on V.A.G 1552

00668

System voltage tml. 30

Signal too small*

* This fault may also be storedif the starter has been oper-ated for more than 10 sec-onds!00849

S contact at ignition/starterswitch - D

Open circuit

Possible cause of fault

Battery voltage below 9.5V, battery insufficientlychargedBattery faultyAlternator faulty

Ignition/starter switch noto.k.Wiring not o.k.Radio not o.k.

Possible effects

Radio set not operating at allor poorly

Radio set does not switch onagain automatically when ig-nition switched on if ignitionwas previously was switchedoff when radio on.When radio is operating, itswitches off automatically 1 hafter ignition is switched on.

Rectifying fault

- Read measured valueblock page 91-24

- Test battery, charge if nec-essary page 27-1

- Test alternator page27-1


- Test wiring according tocurrent flow diagram

- Test ignition/starter switch,replace if necessary page 94-14


Edition 03.99

Readout on V.A.G 1552

00852

Speaker f

Short circuit

Open circuit

00853

Speaker r

Short circuit

Open circuit

00855

Connection to CD changeror CD player

No communication

00856

Aerial (radio)Short circuit

Open circuit

01044

Control unit incorrectlycoded

65535

Control unit defective

Possible cause of fault

Short circuit in cables toeach other or to earth of afront speaker

Open circuit in cable to afront woofer

Short circuit in cables toeach other or to earth of arear speaker

Open circuit in cable to arear speaker

Wiring to CD changerfaulty

CD changer faulty Radio faulty

Aerial cable faulty Aerial cable not con-

nected Aerial faulty

Radio functions not coded

Radio faulty

Possible effects

A front speaker not operat-ing

A front woofer not operat-ing

A rear speaker not operating

CD changer function not o.k.

No or poor radio reception

Radio functions or soundnot o.k.

Incorrect fault entries infault memory

Function of radio set not o.k.

Rectifying fault

- Carry out final control di-agnosis page 91-21


- Test wiring according toCFD

- Carry out final control di-agnosis page 91-21





- Replace CD changer- Replace radio


- Test aerial cable- Test wiring according to

CFD- Test aerial

- This fault message cannotbe erased

- Code radio functions page 91-22, gammaradio

- Replace radio


Edition 03.99


Test of vehicle systems Q03 - Final control diagnosis

Final control diagnosis Loudspeaker

Final control diagnosis

The following components are actuated in theorder stated with the final control diagnosis:

1. Speakers

2. Output of radio display in dash panel insert

Note:Item 2 is also performed if dash panel insertsare fitted which do not have a radio display.

Special tools, testers and aids requiredVehicle system tester V.A.G 1552 with cable

V.A.G 1551/3

Test condition

Fuses o.k.

Test procedure

- Connect vehicle system tester V.A.G 1552and select radio set (address word 56); igni-tion is switched on for this step page91-16.

Readout in display:

- Press keys 0 and 3 for the function Finalcontrol diagnosis.

Readout in display:

- Confirm the entry with the key Q.

Readout in display:

The loudspeakers are tested with a test current.

If a loudspeaker circuit of the system is detectedas faulty during the test, it is stored as a faultmessage in the fault memory.

- Interrogate fault memory.

- Repair wiring or speaker, as appropriate,erase fault memory and repeat final controldiagnosis.

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Edition 03.99

Removing and installing CDchangerThe CD changer is located in the left trim of theluggage compartment.

Warning!Disconnect battery earth strap before working onelectrical system.


the coding of radio sets fitted with anti-theftcoding.

When the battery is connected again, checkthe vehicle equipment:- Carry out coding of radio- Re-set clock- Initialise power windows.


Removing

- Take off the trim panel at the CD changer.

- Remove the 4 screws -1- (4 Nm) from themount -2- and take out the CD changer -3-.

- Separate the plug connection.

Installing

- Installation is carried out in the same way inthe reverse order.

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Interior Lights/Bulbs/Switches - Anti-Theft Alarm 96

Edition 08.96

- Insert old (authorised) ignition key into theignition lock.

- Connect vehicle system tester V.A.G 1552and initiate self-diagnosis of immobiliser byselecting the address word 17 page 96-2.

After the control unit identification is displayed:

- Press the key.

Readout on display:

- Press keys 1 and 0 (the function Adaptationis selected with 10) and confirm entry withthe key Q.

Readout on display:

- Press key 0 twice. (Channel 0 is selectedwith 00.)


Readout on display:


Readout on display:

- Press the key.

Readout on display:

- End output (function 06) page 96-8.Note:The identifier of the engine control unit is storedin the immobiliser control unit and the enginecan be started.


AdaptationEnter channel number XX

Adaptation QErase learned value?

Adaptation Learned values are erased


96 Interior Lights/Bulbs/Switches/Anti-Theft Protection

Edition 01.98

Adaptation after replacingimmobiliser control unit

Notes: The immobiliser control unit is integrated in

the dash panel insert, in other words whenreplacing the dash panel insert the immo-biliser control unit is also replaced.

After replacing the dash panel insert, carryout the following steps:

- Carry out adaptation after replacing enginecontrol unit page 96-16.

- Carry out adaptation of car keys page 96-11.

Emergency start function withV.A.G 1552

The emergency start function makes it possibleto disconnect the locked immobiliser of a carwhich has broken down and to drive the car tothe nearest koda dealer under its own power.Note:This emergency start function can be used toimmediately cancel any lockout time which mayhave been activated as a result of faulty orincorrect use of the emergency start functionwithout V.A.G 1552.

Requirements

The customer should provide proof of owner-ship or use of the vehicle by presenting thevehicle registration papers and an ID.

Vehicle system tester V.A.G 1552.

Key fob with concealed secret number isavailable; if not, refer to Determining thesecret number page 96-16.

- Connect vehicle system tester V.A.G 1552and initiate self-diagnosis of immobiliser withthe address word 17 page 96-2.

Interior Lights/Bulbs/Switches/Anti-Theft Alarm 96

Edition 12.98

Login - ProcedureEnter code number XXXXX



Tester sends address word 25

After display of the control unit identification.

- Press key.

Readout in display:

- Press key 1 twice (Login - Procedure func-tion is selected with 11) and confirm entrywith key Q.

Readout in display:

- Enter the code and insert a 0 before the 4digit number (e.g. 01915).

The code can be found on the keyring pendantand can be made visible after carefully scratch-ing the protective coating (e.g. with a coin).Note:If the keyring pendant only has a 2 or 3 digitcode complete the entry with noughts, e.g. 344= 00344.

- Confirm entry with key Q.

Readout in display:

Note: Briefly appears on display:Code is not accepted. Repeat entry.2 attempts at correct entry of code are im-

mediately possible, for the 3rd attempt youmust wait 10 minutes, if the ignition remainson and you quit self-diagnosis via function06 End Output.

- End output (Function 06) Page 90-10- Start engine again.

Notes:If the emergency start attempt is successful

it is possible to restart the engine at all timesduring a period of 45 minutes given a closedS contact.If the S contact is opened, i.e. when the igni-

tion key is removed, it is only possible to startthe engine after 10 minutes.

96 Interior Lights/Bulbs/Switches - Anti-Theft Alarm

Edition 08.96

Emergency start function withoutV.A.G 1552

The emergency start function enables a carwhich cannot be started because the immobili-ser is blocked, to be deactivated and to drivethe car under its own power to its nearestKODA dealer.Note:This emergency start function makes it possibleto immediately cancel any possible blocking timewhich has been activated as a result of faulty orincorrect use of the emergency start functionwith V.A.G 1552.

Requirements

The customer has to present the vehicleregistration papers or ID to show that he isthe authorised user or owner of the vehicle.

Key fob with concealed secret number isavailable; if not Determining secretnumber, page 96-16.

- Switch on ignition.

- At the same time turn the knob for settingthe time on the dash panel insert and pressthe reset button of the trip counter.

The following readout appears on the display ofthe trip counter:0 0 0 0 and the first digit flashes.

It is now possible to change the first digit from 0to 9 using the reset button of the trip counter.

- Press the reset button of the trip counter asoften as necessary until the valid first digit ofthe secret number is displayed, e.g. 5.

The following readout appears on the display ofthe trip counter:5 0 0 0

- Turn the knob for setting the time.

The following readout appears on the display ofthe trip counter:5 0 0 0' and the second digit flashes.

- Press the rest button of the trip counter asoften as necessary until the valid second digitof the secret number is displayed, e.g. 3.

Interior Lights/Bulbs/Switches - Anti-Theft Alarm 96

Edition 08.96



The following readout appears on the display ofthe trip counter:5 3 0 0 and the third digit flashes.

- Press the reset button of the trip counter asoften as necessary until the valid third digitof the secret number is displayed, e.g. 4.



The following readout appears on the display ofthe trip counter:5 3 4 0 and the forth digit flashes.

- Press the reset button of the trip counter asoften as necessary until the valid forth digitof the secret number is displayed, e.g. 9.


- Turn the knob for setting the time on the dashpanel insert and at the same time press thereset button of the trip counter.

The trip counter readout again appears on thedisplay of the trip counter.

The immobiliser warning light goes out once thevalid secret number has been entered.

- Switch off the ignition and then start theengine.

Notes: If the secret number is incorrectly entered

three times, the control unit is blocked. FAILappears on the display of the trip counter inthe dash panel insert.

It is then necessary to wait at least 10minutes before the next attempt if the ignitionremains switched on constantly during thistime. This time is doubled for each additionalthree incorrect attempts.

96 Interior Lights/Bulbs/Switches / Anti-Theft Protection

Edition 09.96

If no button/knob is operated for longer than30 seconds during the entry procedure, theemergency start attempt is aborted.

If the emergency start attempt has beensuccessfully carried out, the engine canalways be started again during 45 minuteswith the S contact closed.

If the S contact is opened, i.e. the ignitionkey is withdrawn, the engine can only bestarted within 10 minutes.

Faulty transponder and/or loss ofkey

The transponder is integrated in the car key.

If the transponder is faulty or if a key hasbeen lost, it is then necessary to replace thecomplete set of car keys.

- Make or order replacement key with in-tegrated transponder on the basis of the locknumber.

- Carry out adaptation of all the car keys page 96-11.

Replacing reader coil

The reader coil is an integral part of the lockcylinder and cannot be replaced separately.

The reader coil should be replaced togetherwith the lock cylinder.

In order to restore mobility as rapidly aspossible, carry out the following procedure:

- Remove lock cylinder for steering/starter lock page 94-13.

- Install replacement lock cylinder with any locknumber and do not adapt door locks.

Note:The customer has to operate the car with twocar keys during the delivery period.

Interior Lights/Bulbs/Switches / Anti-Theft Protection 96

Edition 09.96

- After the lock cylinder has been received,replace the substitute lock cylinder with theordered lock cylinder for the specific carmodel.

Procedure if replacing set of locksor immobiliser control unit

Note:To ensure subsequent identification of theimmobiliser, it is essential to carry out thefollowing steps when replacing the set of locksor the immobiliser control unit.

1. 2-part sticker of lock set

Note:The stickers on the key fob of the new lock setare used for identifying the mechanical lockingsystem.

- Separate right-hand sticker -2- (with barcode), detach from key fob of the new lockset and destroy.

- Pull the remaining left-hand sticker -1-(without bar code) of the new key fob andstick it onto the customers key fob in placeof the previous left-hand sticker.

The identification on the customers key fob istherefore updated:

Left-hand sticker -1- (new) - mechanical locksystem

Right-hand sticker - immobiliser control unit


Edition 09.96

2. 3-part sticker of immobiliser control unitin dash panel insert

- Pull off large sticker -1- (with bar code) andsmall sticker at bottom left -3- (blackconcealed panel) off the new dash panelinsert and separate. Destroy large sticker -1-(with bar code).

- Affix small sticker -3- (black concealed panel)onto the customers key fob and place onthe previous right-hand sticker.

The identification on the customers key fob isthus updated:

Left sticker - mechanical lock system

Right sticker -3- (new) - immobiliser controlunit

System test

Note:After each successful login function, theimmobiliser is disabled for 10 minutes, i.e. it isnot sensible to carry out a system of operationaltest during this time.

- Ignition should be Off for at least 30seconds.

- Cover over reader coil with a metal plate withslot, e.g. place a suitable washer onto theignition lock and insert ignition key throughthe hole into the ignition lock.

or

Separate electric cable of reader coil atconnector between ignition/starter switch andimmobiliser control unit.

- Start engine.

The engine must not run and the indicator lampshould flash.

Interior Lights/Bulbs/Switches / Anti-Theft Protection 96

Edition 09.96

- Initiate self-diagnosis of immobiliser page96-2.

- Interrogate fault memory page 96-5:

One of the two following fault messages appearsin the display:

Readout in display:

or

Readout i-n display:

- Erase fault memory page 96-7.

KeySignal too small

Immobiliser reader coil -D2


Edition 09.96

Servicing switches

Important!Before carrying out any work on the electricalsystem, disconnect earth strap of the battery.

Removing and installing switchesin centre console

Removing:

- Unclip trim panel -1- around the centreconsole.

- Use a small screwdriver to carefully lever therelevant switch from the left out of the centreconsole.

- Then, pull the switch out fully and unplug theconnector.

Installing:

- Plug in connector.

- Press switch into mount in the centre consoleand lock in position.

- Clip trim panel in place.

Removing and installing lightswitch

Removing:

- Press the light switch -1- and turn at the sametime to the right -2-.

- Hold the switch in this position and pull thelight switch housing out to the front -3-.

- Separate the electric connector at the switch.

Installing:

- Plug in connector.

- Carefully push light switch into the openinguntil the switch is heard to lock in place.


Edition 03.00

Removing and installing adjusterfor headlamp range control

Removing:

- Remove light switch from the cover.

- Unclip cover with adjuster for headlamprange control.

- Separate plug connection.

- Press together the two metal clips -1- andpull adjuster -2- out in direction of arrow.

Installing:

- Fit together plug connection.

- Insert adjuster for headlamp range controlinto guide ridges in cover and press in as faras the stop.

- Press in light switch with cover and lock inplace.

Removing and installing door con-tact switch

The door contact switch is located in the doorlock and cannot be replaced separately if faulty.

- Removing door lock and replacing Body Fitting Work; Repair Group 57; Front

Door; Repair Group 58; Rear Door.

Removing and installing slidingroof switch and interior light

Models up to 7.99

Removing

- Use special tool 3409 to lever off interior light.

- Separate the two electrical plug connections.

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Edition 12.98

Removing and installing switchesfor power windows

Removing

- Unclip the plastic cover (handle) -1- andswitch cover -2-.

- Unscrew the 3 cross-recessed screws -ar-row-.

- Carefully lift out the switch combination withcover and at the rear unlock the plug andremove.

- Remove the switch combination.

Installing

- Carry our installation in the same way in re-verse order.

96 Interior Lights/Bulbs/Switches/Anti-Theft Alarm

Edition 12.98

Servicing interior lights

Removing and installing glove boxlight

Removing

- With a slotted-head screwdriver reach be-hind the scattering glass and carefully lift thelight out.

- Draw out the scattering glass with bulbholder.

- Replace the 12 V, 5 W bulb.

Installing

- Insert the scattering glass with bulb holderin the glove box and lock into place.

Removing and installing the rearreading lights

Removing

- With a slotted-head screwdriver reach be-hind the light and carefully lift the light out.

- Unplug the connector.

- Replace the 12 V, 5 W bulb.

Installing

- Carry out installation in the same way in re-verse order.

Removing and installing front ash-tray light

Removing

- Remove the ashtray and its housing. Body Fitting Work; Repair Group 68; Trays,

trim panels and screens.

- Carefully unclip bulb holder -2- from the ash-tray housing -1-.

- Unplug the connector.

Installing


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Edition 12.98

Removing and installingswitch for remote release offuel filler flap

Warning!Disconnect earth strap of battery before perform-ing any work on the electrical system.


the code number of a radio set fitted withanti-theft coding.

When the battery is re-connected, check thevehicle equipment:- Carry out coding of radio- Reset time of clock- Initialise power windows.


Removing Version 1:

- Carefully unclip switch for remote release offuel filler flap -arrows- and lift up.

- Separate electrical plug connection at theswitch.

Installing


Removing Version 2:

- Carefully lift the switch for remote release offuel filler flap with a small screwdriver fromthe dash panel centre part.

- Separate electrical plug connection at theswitch.

Installing


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Edition 03.99


the code number of a radio set fitted withanti-theft coding.

When the battery is re-connected, check thevehicle equipment:- Carry out coding of radio- Reset time of clock- Initialise power windows.


Removing

- Remove the trim panel of the dash panel in-sert.

- Remove the front ashtray.

- Remove the Climatronic control unit -E87-and separate the plug connections.

- Separate the plug connection of the sensor-1-.

- Take out the two screws -2- and remove thesensor.

Installing

- Installation is carried out in the same way inthe reverse order.

Sensor for interior monitoring-G273-

Removing and installing

Warning!Disconnect earth strap of battery before perform-ing any work on the electrical system.

96 Interior Lights/Bulbs/Switches/Anti-Theft Alarm

Edition 03.99

Testing

The operation of the sensor for interior monitor-ing can be tested by the service sector and bythe customer.

- Open the window of the drivers door slightlyto enable you to insert your arm.

- Lock the vehicle with the key or remote con-trol.

- Wait about 2 minutes until the alarm systemhas been armed (recognizable from the slowflashing of the red warning light in the driv-ers door).

- Now insert your arm through the opened win-dow of the drivers door into the interior.The alarm system must be activated imme-diately (hazard warning lights and alarmhorn).

- Switch off the alarm by unlocking the vehi-cle.

Regulating the sensitivity

The sensor for interior monitoring is equippedwith a regulator for altering the response sensi-tivity.

The sensor is factory-set to an average sensi-tivity. The sensitivity can be altered by the serv-ice sector at the customers request:

- Carry out the first 3 steps of removing thesensor page 96-35.

- Use a suitable screwdriver to now alter thesetting of the tr

Workshop Manual Octavia Electrical System

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Transcript of Workshop Manual Octavia Electrical System