Climatronic (models with diesel engine)From September 2001

Sharan Current Flow Diagram No. 78 / 1 Edition 04.2003

For alternatives to relay and fuse positions as well as multi-pin connector wiring - see "Fitting locations" section.

Relay locations on the 8 position lower relay carrier behind the multi-function unit:

Note!

The number in brackets behind the part designation denotes the control number on the housing.Fuse colours

30 A - green25 A - white20 A - yellow15 A - blue10 A - red7.5 A - brown

5 A - beige3 A - purple

Sharan Current Flow Diagram No. 78 / 2

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Climatronic control unit, temperature flap control motor, fresh/recirculating air flap control motor, control and display unit for Climatronic, dash panel temperature sensor E87 - Control and display unit for ClimatronicE180 - Heated windscreen switchG56 - Dash panel temperature sensorJ255 - Climatronic control unitJ501 - Multi-function unit control unitL75 - Digital display illuminationL76 - Button illuminationT3a - 3-pin connectorT6 - 6-pin connectorT28a - 28-pin connector, blueT28c - 28-pin connector, redV42 - Temperature sensor blowerV68 - Temperature flap control motorV154 - Fresh/recirculating air flap control motor

33 - Earth point, behind dash panel, right

243 - Earth connection -1-, in Climatronic wiring harness

Sharan Current Flow Diagram No. 78 / 3

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Climatronic control unit, control motor forcentre vent, front air distribution control motor, self-diagnosis connection J255 - Climatronic control unitJ285 - Control unit with display in dash panel insertJ501 - Multi-function unit control unitT6a - 6-pin connectorT6b - 6-pin connectorT16 - 16-pin connector, self-diagnosis connection on left under dash panelT28a - 28-pin connector, blueT28c - 28-pin connector, redT32 - 32-pin connector, blueT32a - 32-pin connector, greenV102 - Centre vent control motorV145 - Front air distribution control motor

A76 - Connection (diagnosis wire K), in dash panel wiring harness

B178 - Connection (speed signal), in interior wiring harness

B208 - Connection -1- (control motors), in interior wiring harness

Sharan Current Flow Diagram No. 78 / 4

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Climatronic control unit, ambient temperature sensor, coolant temperature sender, vent temperature sender, sunlight penetration photosensor E20 - Switches and instruments illumination regulatorG17 - Ambient temperature sensorG107 - Sunlight penetration photosensorG110 - Air conditioning system coolant temperature senderG152 - Front vent temperature senderJ255 - Climatronic control unitJ501 - Multi-function unit control unitT4n - 4-pin connector, behind dash panelT6c - 6-pin connectorT28a - 28-pin connector, blueT28c - 28-pin connector, red

244 - Earth connection (sender earth), in Climatronic wiring harness

A4 - Positive connection (58b), in dash panel wiring harness

A53 - Positive connection (58b), in dash panel wiring harness

Sharan Current Flow Diagram No. 78 / 5

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Climatronic control unit, front fresh air blower, rear fresh air blower, rear vent temperature sender G174 - Rear vent temperature senderJ126 - Fresh air blower control unitJ255 - Climatronic control unitJ391 - Rear fresh air blower control unitJ501 - Multi-function unit control unitT28a - 28-pin connector, blueT28b - 28-pin connector, whiteV2 - Fresh air blowerV80 - Rear fresh air blower

32 - Earth point, behind dash panel, left

57 - Earth point, left rear pillar

B199 - Connection -1- (fresh air blower), in interior wiring harness

B200 - Connection -2- (fresh air blower), in interior wiring harness

L55 - Connection (X), in Climatronic wiring harness

L74 - Connection -2- (X), in Climatronic wiring harness

Sharan Current Flow Diagram No. 78 / 6

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Climatronic control unit, rear temperature flap control motor, rear air distribution control motor J255 - Climatronic control unitJ501 - Multi-function unit control unitT6d - 6-pin connectorT6e - 6-pin connectorT28b - 28-pin connector, whiteV136 - Rear air distribution control motorV137 - Rear temperature flap control motor

B210 - Connection -1- (Climatronic rear), in interior wiring harness

** - Only models without 2nd evaporator--- - Only models with 2nd evaporator

Sharan Current Flow Diagram No. 78 / 7

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Climatronic control unit D - Ignition/starter switchJ255 - Climatronic control unitJ501 - Multi-function unit control unitS2 - Fuse in fuse boxS3 - Fuse in fuse boxS232 - Fuse in fuse boxT28c - 28-pin connector, red

B135 - Connection -1- (15a), in interior wiring harness

B150 - Positive (+) connection -2- (30a), in interior wiring harness

B156 - Positive (+) connection (30a), in interior wiring harness

B157 - Positive (+) connection -3- (15a), in interior wiring harness

B163 - Positive (+) connection -1- (15), in interior wiring harness

B233 - Connection (additional heater, on), in interior wiring harness

L9 - Connection -1-, in air conditioner wiring harness

* - Only models with additional water heater

Sharan Current Flow Diagram No. 78 / 8

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Radiator fan control unit, continued circulation of coolant pump, air conditioning system magnetic coupling J248 - Diesel direct injection system control unitJ293 - Radiator fan control unitJ501 - Multi-function unit control unitN25 - Air conditioning system magnetic couplingT2d - 2-pin connector, near air conditioner compressorT10c - 10-pin connector, in engine compartment, leftT14a - 14-pin connector, in engine compartment, leftT121 - 121-pin connectorV51 - Continued coolant circulation pump

12 - Earth point, in engine compartment, left, below the battery

13 - Earth point, in engine compartment, right

193 - Earth connection -1-, in radiator fan wiring harness

B157 - Positive (+) connection -3- (15a), in interior wiring harness

L9 - Connection -1-, in air conditioner wiring harness

* - Connection for radiator fan run-on

Sharan Current Flow Diagram No. 78 / 9

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Radiator fan control unit, air conditioner pressure switch F129 - Air conditioner pressure switchJ59 - X contact relief relayJ248 - Diesel direct injection system control unitJ293 - Radiator fan control unitJ501 - Multi-function unit control unitS19 - Fuse in fuse boxS20 - Fuse in fuse boxS21 - Fuse in fuse boxS22 - Fuse in fuse boxT10c - 10-pin connector, in engine compartment, leftT121 - 121-pin connector

A61 - Positive (+) connection (X), in instruments wiring harness

B138 - Positive (+) connection (X), in interior wiring harness

D61 - Connection (air conditioner), in engine compartment wiring harness

D155 - Connection -1- (air conditioner pressure switch), engine compartment wiring harness

D156 - Connection -2- (air conditioner pressure switch), engine compartment wiring harness

K21 - Connection -1-, in radiator fan wiring harness

Sharan Current Flow Diagram No. 78 / 10

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Radiator fan 2nd speed relay, radiator fan thermo-switch F18 - Radiator fan thermo-switchJ101 - Radiator fan 2nd speed relayJ501 - Multi-function unit control unitS16 - Fuse in fuse boxS18 - Fuse in fuse box

B170 - Positive (+) connection -2- (30), in interior wiring harness

B171 - Positive (+) connection -3- (30), in interior wiring harness

B172 - Positive (+) connection -4- (30), in interior wiring harness

K20 - Positive (+) connection -1- (30), in radiator fan wiring harness

K22 - Connection -2-, in radiator fan wiring harness

Sharan Current Flow Diagram No. 78 / 11

ws = whitesw = blackro = redbr = browngn = greenbl = bluegr = greyli = purplege = yellowor = orangers = pink

Radiator fan relay, radiator fan A - BatteryJ26 - Radiator fan relay, below battery fuse boxJ501 - Multi-function unit control unitS163 - Fuse -2- (30), in fuse box/batteryS164 - Fuse -3- (30), in fuse box/batteryS176 - Fuse -4- (30), in fuse box/batteryT2 - 2-pin connector, below battery fuse boxT2a - 2-pin connector, below battery fuse boxT3d - 3-pin connectorT3e - 3-pin connectorV7 - Radiator fanV35 - Radiator fan, right

12 - Earth point, in engine compartment, left, below the battery

B171 - Positive (+) connection -3- (30), in interior wiring harness

K21 - Connection -1-, in radiator fan wiring harness

K22 - Connection -2-, in radiator fan wiring harness

K23 - Positive (+) connection -2- (30), in radiator fan wiring harness