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ENGINE DIAGNOSTIC PARAMETERS2006file14.doc

2006file14.doc Page 7 of 31

SENSED PARAMETERFAULT

CODE

MONITOR STRATEGY

DESCRIPTION

MALFUNCTION CRITERIA AND

THRESHOLD VALUE (S)

SECONDARY PARAMETERS AND

ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

HO2S Circuit Low Voltage(bank 1 sensor 2)

P0137 Determines if the O2sensor or circuit isshorted to low bychecking sensor voltage.

O2 sensor voltage < 50 mVORO2 sensor voltage < 650 while inpower enrichment

No injector, MAF, ETC, TPS, Evap, IAT, MAP, ECT DTCssetCatalyst diagnostic test not active

Traction control not activeFuel level > 10%11 V < System voltage < 18 V

Lean TestClosed loop fuel enabled14.5 Air/Fuel ratio 14.815% TP 50 %

Above conditions must be met for 2 s ecs

Lean in PE TestPower enrichment mode enabledAbove conditions must be met for 3 secs

Lean Test

950/1000 counts10 counts/sec

Continuous check

Lean in PE Test95/100 counts10 counts/sec

Runs during each

occurrence of PE

DTC Type B

HO2S Circuit High Voltage(bank 1 sensor 2)

P0138 Determines if the O2sensor or circuit isshorted to high bychecking sensor voltage.

O2 sensor voltage > 1000 mVORO2 sensor voltage > 300 mV while inDFCO

No injector, MAF, ETC, TPS, Evap, IAT, MAP, ECT DTCssetCatalyst diagnostic test not activeTraction control not activeFuel level > 10%11 V < System voltage < 18 V

Rich TestClosed loop fuel enabled14.5 Air/Fuel ratio 14.815% TP 50 %Above conditions must be met for 2 s ecs

Rich in DFCO TestDecel fuel cut-off mode enabledAbove conditions must be met for 3 secs

Rich Test950/1000 counts10 counts/sec

Continuous check

Rich in DFCO Test95/100 counts10 counts/sec

Runs during eachoccurrence of DFCO

DTC Type B

HO2S Circuit Insufficient

Activity (bank 1 sensor 2)

P0140 This DTC determines if

the O2 sensor or the O2sensor circuit hasdeveloped an open.

425 mV < O2 sensor < 475 mV No injector, MAF, ETC, TPS, Evap, IAT, MAP, ECT, rear

O2 heater circuit DTCs setClosed Loop Fuel EnabledCatalyst diagnostic test not activeTraction control not active11 V < System voltage < 18 VEngine run time > 200 secsMinimum 3 occurrences of a delta TP sensor> 1 % during diagnostic test

950/1000 counts

10 counts/sec

Once per key cycle

DTC Type B

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

HO2S Heater Circuit (bank

1 sensor 2)


the O2 sensor heater isfunctioning properly bymonitoring the currentthrough the heatercircuit.

RCOHT Learn Diagnostic

Cold start3.6 > calculated heater resistance >10.3

Current Monitor Diagnostic0.6 amps < heater current 10 hours-30C < ECT 230 secs

ECT > 70C1000 RPM < Engine speed < 2500 RPM15 grams/sec < MAF < 30 grams/secO2 heater overtemp control not active.Above conditions must be met for 1 sec

45/50 counts

10 counts/sec

2 tests per key cycle;20 sec delaybetween tests

DTC Type B

Fuel System Too Lean Bank1

P0171 Determines if the fuelcontrol system is in a leancondition.

The EWMA of long term fuel trim(LTM) samples 1.23999 for at least 2secs

(Note: EWMA stands forExponentially Weighted Moving

Average)

Notes:At least 35 secs of data mustaccumulate on each trip before theEWMA of LTM samples is consideredusable and at least 18 secs of data inthe current fuel trim cell mustaccumulate on each trip before theLTM for that cell is considered usablein the EWMA calculation.

No misfire, O2 sensor, Evap, injector, fueltemperature, fuel composition, IAC, MAF, MAP, ECT,EGR, AIR, TPS, TAC system DTCs400 RPM < Engine speed 70 kPa- 35C < ECT < 125 C

15 kPa < MAP 10 % (must be < 10% for at least 30 secsto disable; default is to enable if fuel sender isbroken)

2 out 3 test failures

Continuous check100 msec loop

DTC Type B

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

Fuel Injector 3 Control

Circuit

P0203 Detects fuel injector

circuit continuity

Injector driver feedback indication =

fault

System voltage > 11 V for 5 secs 10/20 counts

4 counts/sec

Continuous check

DTC Type B

Fuel Injector 4 ControlCircuit

P0204 Detects fuel injectorcircuit continuity

Injector driver feedback indication =fault

System voltage > 11 V for 5 secs 10/20 counts4 counts/sec

Continuous check

DTC Type B

Fuel Injector 5 ControlCircuit

P0205 Detects fuel injectorcircuit continuity

Injector driver feedback indication =fault

System voltage > 11 V for 5 secs 10/20 counts4 counts/sec

Continuous check

DTC Type B

Throttle Position (TP)Sensor 2 Circuit

P0220 Detects a continuous orintermittent short oropen in TP sensor #2circuit

0.275 V > TPS > 4.725 V Ignition in Unlock/accessory, run, crankSystem voltage > 5.23 VNo PCM processor, 5 V reference DTCs

15/35 counts; 10counts continuous;12.5 msec /count inthe motor processor

DTC Type A

Throttle Position (TP)Sensor 2 Circuit OOR Low

P0222 Detects a continuous orintermittent short oropen in TP sensor #2circuit

0.275V > Raw TPS sensor signal Ignition in Unlock/accessory, run, crankIgnition Voltage > 5.23 V

No 5VR DTCs

15/35 Counts10 CountsContinuous12.5 ms / Ct in theMCP

DTC Type AMIL

Throttle Position (TP)Sensor 2 Circuit OOR High

P0223 Detects a continuous orintermittent short or

open in TP sensor #2circuit

Raw TPS sensor signal > 4.725 V Ignition in Unlock/accessory, run, crankIgnition Voltage > 5.23 V

No 5VR DTCs

15/35 Counts10 Counts

Continuous12.5 ms / Ct in theMCP

DTC Type AMIL

Fuel Pump Relay CircuitFault

P0230 Checks the fuel pumprelay circuit for electricalintegrity

Output state invalid 10/12 counts10 counts/sec

Continuous check

DTC Type B

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

Crankshaft Position

Sensor-ACircuit

P0335 Crank Sensor Event Test

Incorrect number ofcrank sensor pulses in agiven number of camsensor pulses

Crank Time WithoutMatch TestExcessive time withoutcrank sensor match

Crank Sensor Event Test

90 > number of crank pulses > 110

Crank Time Without Match TestSee TIME LENGTH AND FREQUENCYcolumn

Crank Sensor Event Test

IF [(Engine Running = TRUE OREngine Cranking = TRUE) AND(Primary_Cam_Sync_Flag = CAM_SIDE ORPrimary_Cam_Sync_Flag =CAM_CYLINDER) ANDPRIMARY_CAM_TYPE CSI_CAM) ANDFault Active [Primary Cam-Ckt] = FALSE

ANDFault Active [Primary Cam-Perf] = FALSE]

THENEnable diagnostic

ELSEDisable diagnostic

ENDIF

Crank Time Without Match TestIF [(Engine Running = TRUE OR

Engine Cranking = TRUE) AND(Engine Speed Defaulted < 2000 RPM)AND{(Cranking Motor Is Engaged = TRUE AND



ENDIF

Crank Sensor Event

Test One test = 10

cam sensorpulses

Fail report =8/10 testsexceedmalfunctioncriteria

Crank Time Without

Match Test During engine

crank = matchhas notoccurredwithin the last4 secs

During enginerun = matchhas notoccurred

within the last2 secs

DTC Type B

Crankshaft PositionSensor-APerformance

P0336 Detects an excessivenumber of crank sensorresyncs

See TIME LENGTH AND FREQUENCYcolumn

IF [Engine Running = TRUE AND EngineSpeed > 450 RPM]THEN

Enable diagnosticELSE

Disable diagnostic

ENDIF

20 crank resyncsoccur within 25 secs

DTC Type B

Camshaft PositionSensor-ABank-1Circuit

P0340 Detects cam sensorcircuit malfunctions bymonitoring for theabsence of cam sensorpulses


IF [MAF 0 AND[(Engine Cranking = TRUE ANDCam Sync Flag CAM_CYLINDER) OREngine Running = TRUE]]



ENDIF

1 cam pulse doesnot occur within 3secs

DTC Type B

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

Ignition Coil 5 Control

Circuit

P0355 Checks the ignition coil

control circuit forelectrical integrity

Output state invalid Ignition 1 is powered 20 failures for 100

cylinder events

DTC Type B

Camshaft PositionSensor-BBank-1Circuit

P0365 Detects cam sensorcircuit malfunctions bymonitoring for theabsence of cam sensorpulses


IF[ MAF 0 AND[( Engine_Cranking = TRUE ANDCam_Sync_Flag CAM_CYLINDER ) OREngine_Running = TRUE ]]



ENDIF

5 cam pulses do notoccur within 3 secs

DTC Type B

Camshaft PositionSensor-BBank-1Performance

P0366 Detects cam sensorperformancemalfunctions bymonitoring for theincorrect number of camsensor pulses in a givennumber of crank sensorpulses

After Engine Start (slow event based)475 > cam sensor pulses > 525

Near Engine Start (fast event based)4 > cam pulses > 6

After Engine Start (slow event based)IF[ { ( CAM_TYPE CSI AND ) } AND

CKP_MedRes_Active = TRUE ANDCrank_Sync_Flag = Crank_In_Sync ANDFault_Active[CMP_Ckt] = FALSE ANDFault_Active[CKP_SnsrA_Ckt] = FALSE ANDFault_Active[CKP_SnsrA_Perf] = FALSE ANDFault_Active[CKP_SnsrB_Ckt] = FALSE ANDFault_Active[CKP_SnsrB_Perf] = FALSE ANDFault_Active[CKP_SnsrAB_Corr] = FALSE

THEN

Enable diagnosticELSE

Disable diagnosticENDIF

Near Engine Start (fast event based)IF[ MedRes_CKP_Counter 10 AND

CKP_MedRes_Active = TRUE ANDCrank_Sync_Flag = Crank_In_Sync ANDCAM_TYPE CSI_CAM ANDFault_Active[CMP-Ckt] = FALSE ]

THENENABLE DIAGNOSTIC

ELSEDISABLE DIAGNOSTIC

ENDIF

Footnote: the crank MedRes counter incrementswhen the diagnostic is enabled and counts thenumber of crank MedRes software interrupts. ECMthroughput prohibits interrupting on every cranksensor pulse. Typical crank MedRes software

interrupts occur twice per cylinder, but varies in eachengine.

After Engine StartOne Test = 1000MedRes softwareinterrupts

8 failed tests out ofthe last 10 tests

Near Engine StartOne Test = 10MedRes software

interrupts

Fail Report = 1 failedtest

DTC Type B

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

VSS Circuit Intermittent

(Manual Transmission)

P0503 Detects an intermittent

fault on the VSS circuit

Transmission output speed must drop

by 1500 RPM in 0.5 secs

No trans input speed or shift solenoid A circuit DTCs

Engine running450 RPM < Engine speed < 6800 RPM for 8 seconds10 V < System voltage < 18 VTime since the last gear change > 6 secsTime since transfer case gear change > 3 secsTransmission not in P/NEngine speed change < 500 RPM in 2 seconds

25 msec loop DTC Type B

Idle System Low P0506 Functional check of idlespeed

Idle RPM > 75 RPM below desired RPMbased on coolant temperature

General Test EnableNo VSS DTCs11 < System voltage < 18 VIAT > -7 C

Baro > 75 kPaECT > -7CEngine run time > 5 secsClosed loop fueling enabledIdle test:General conditions metIdle conditions present > 2 secsTime since park/neutral state change > 3 secsTime since TCC mode change > 3 secsVehicle speed < 5 KPH

3 failed testsrequired to set fault;5 secs per test

Frequency:250 msec

Continuous check

DTC Type B

Idle System High P0507 Functional check of idle

speed

Idle RPM > 150 RPM above desired RPM

based on coolant temperature

General Test Enable

No VSS DTCs11 < System voltage < 18 VIAT > -7 CBaro > 75 kPaECT > -7CEngine run time > 22 secsClosed loop fueling enabledIdle test:General conditions metIdle conditions present > 2 secsTime since park/neutral state change > 3 secsTime since TCC mode change > 3 secsVehicle speed < 5 KPH

1 failed test

required to set fault;15 secs per test

Frequency:250 msec

Continuous check

DTC Type A

PCM Memory Read OnlyMemory (ROM) Main andmotor processor

P0601 Checks for properfunction of the PCMmemory

Computed EPROM checksum not equalto expected

Ignition in unlock/accessory, run or crankIgnition voltage > 5.23 V

1 failure during thefirst execution; 5failures thereafter

Background loopContinuous check

DTC Type A

PCM not Programmed P0602 Checks for properprogrammed state of thePCM

Calibration parameter not equal toexpected value

1 failure

Frequency250 msec

Continuous check

DTC Type A

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

PCM Long Term Memory

Reset

P0603 Non-volatile memory

checksum error atcontroller power-up

Checksum at power-up does not

match checksum at power-down

1 failure

Once at power-up

DTC Type A

PCM Memory RandomAccess Memory (RAM)Main and motor processor

P0604 Checks for properfunction of the PCMmemory

Bad RAM location found Ignition in unlock/accessory, run or crankIgnition voltage > 5.23 V

100 failures if foundduring first test inignition cycle

2 failures if foundduring subsequenttests in the ignitioncycle

Continuous check

DTC Type A

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

PCM Processor

1. ProcessorPerformance Check -Throttle limiting Fault(motor processor)

2. ProcessorPerformance Check -ETC software is notexecuted in properorder

3. Processor

Performance Check4. ProcessorPerformance Check -SPI failed

5. ProcessorPerformance Check -motor processor stateof health (Main)

6. ProcessorPerformance Check -Learn CorruptionFault (Main motorprocessor)

7. ProcessorPerformance Check -Learn CorruptionFault MAIN & motorprocessor

8. ProcessorPerformance Check -motor processor stateof health (Main)

9. Processor

Performance Check -MAIN state of health(motor processor)

P0606 Indicates that the ECM

has detected an ETCinternal processorintegrity fault

1. Motor processor desired throttle

limiting occurring2. ETC software is not executed in

proper order3. Software tasks loops > schedule

tasks loop4. Loss of SPI communication from

the motor processor5. 1.5 msec < Average motor

processor state of health toggle >2.5 msec

6. TPS or APPS minimum learned

values fail compliment check7. TPS or APPS minimum learnedvalues fail range check

8. Motor processor integrity checkerror occurs

9. Motor processor integrity checkerror of main processor occurs

Ignition in unlock/accessory, run or crank

System voltage >5.23 V

1. 99 counts

continuous, 2msec/count inthe motorprocessor

2. 1 countcontinuous;12.5msec/count inthe mainprocessor

3. Error > 3

counts; 100msec/count inthe mainprocessor

4. 160/400counts or 15countscontinuous; 39countscontinuous @initialization;12.5msec/count inthe mainprocessor

5. 3 countscontinuous; 50msec/count inthe mainprocessor

6. 100 msec inthe mainprocessor

7. 10 msec in themain processor

8. 4 countscontinuous, 50msec /count inthe mainprocessor

9. 2 countcontinuous,12.5msec/count in

the mainmotorprocessor

DTC Type A

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

Control Module

Accelerator Pedal Position(APP) System Performance

P060D 1.Verify the PCMs ability

to detect a shortbetween the APPS 1 &2 circuits

2.Verify that theindicated acceleratorpedal positioncalculation is correct.

1. APPS #2 voltage > 2.05V

2. (main APPS motor APPS) > 0V

Ignitions in unlock/ accessory and run, not during TPS

minimum learn active during intrusive portion ofdiagnostic executionIgnition voltage > 5.23 VNo PCM processor DTC

1.2 counts; 156.25

msecw/immediateretest on an error,performed in themain processor

2.99 countscontinuous; 12.5msec/count in themotor processor

DTC Type A

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( )




CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

Control Module Throttle

Position (TP) SystemPerformance

P060E 1.Verify the PCMs ability

to detect a shortbetween the TPS 1 & 2circuits

2.Verify that the throttlecontrol system positionsensor short diagnosticis functioning

1.TPS #2 Voltage > 2.05V

2.No detection of the sensor shortdiagnostic active state

1. Ignition voltage > 5.23 V

No PCM processor DTC.2. Ignition in unlock/accessory or run, not during TPS

minimum learn active during intrusive portion ofdiagnostic execution

1. 2 counts; 156.25

msecw/immediateretest on an error,performed in themain processor

2. No sensor shortdiagnostic activityfor 498 msec;detected by themotor processor

DTC Type A

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

PCM - EEPROM General

Failure

P062F Checks for a PCM non-

volatile memory writeerror

Incorrect/unsuccessful write to non-

volatile memory

Ignition in unlock/accessory, run, or crank

Ignition voltage > 5.23 V

Immediately on

next key up ifflagged on previouskey down

Once at key down

DTC Type A

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

5 Volt Reference 1 Circuit P0641 Detects a continuous or

intermittent short on the#1 5 V sensor referencecircuit

Vref1 voltage -Vcc voltage > 0.125 V

OR

Vcc voltage -Vref1 voltage > 0.175 V

Ignition in unlock/accessory, run or crank

Ignition voltage > 5.23 VNo ECM processor DTCs

20/40 counts or 200

msec continuous;12.5 msec/count inmain processor

125/250 counts or99 countscontinuous; 2msec/count inmotor processor

DTC Type A

Malfunction IndicatorLamp (MIL) Control Circuit

P0650 This DTC checks themalfunction indicatorlamp circuit for electricalintegrity

Output state invalid 100/120 counts10 counts/sec

Continuous check

DTC Type B

5 Volt Reference 2 Circuit P0651 Detects a continuous orintermittent short on the#2 5 V sensor referencecircuit

Vref2 voltage -Vcc voltage > 0.125 V

OR

Vcc voltage Vref2 voltage > 0.175 V

Ignition in unlock/accessory, run or crankIgnition voltage > 5.23 VNo ECM processor DTCs

20/40 counts or 200msec continuous;12.5 msec/count inmain processor

125/250 counts or99 countscontinuous; 2msec/count in mainprocessor

DTC Type A

Intake Rationality Cross-check Out of Range

P1101 This DTC determines ifthere are multiple airinduction systemproblems affectingairflow and/or manifoldpressure.

1. Filtered throttle error > 350 kPagrams/sec

2. Filtered manifold pressure 2 error> 20 kPa

3. [Filtered manifold pressure 1error > 20 kPaorFiltered airflow error > 15grams/sec]

No MAF circuit, MAP circuit, EGR, ECT circuit, IATcircuit, crank sensor DTCs400 RPM < Engine speed70C < ECT < 125C-7C < IAT < 125C

Immediate

Frequency:12.5 msec loopContinuous

DTC Type B

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

HO2S Circuit Insufficient

Switching (bank 1 sensor1)


the O2 sensorfunctioning properly bymonitoring the numberof L/R and R/L switches.

Slope Time L/R switches < 4

ORSlope Time R/L switches < 4ORHalf Cycle L/R switches < 100ORHalf Cycle R/L switches < 100

O2 voltage between 500 mV and 600mV

No misfire, injector, MAF, ETC, TPS, Evap, IAT, MAP,

ECT DTCs setCatalyst diagnostic test not activeClosed loop fuel enabledTraction control not activeFuel level > 10%11 V < System voltage < 18 VEngine run time > 200 secsECT > 70C1000 RPM < Engine speed < 3500 RPM15 grams/sec < MAF < 50 grams/secTP 5 %

BLM cell number =5, 6, 9, 10, 26 or 30Transmission not in park, reverse or neutralAbove conditions met for 2 secs

120 secs of response

data after enable

Once per key cycle

DTC Type B

HO2S Transition TimeRatio (bank 1 sensor 1)

P1134 Determines if O2 sensoris functioning properly bychecking asymmetry ofresponse (rich-to-leantime minus lean-to-richtime)

O2 sensor average transition timedifference:R/L L/R > 90 msOrR/L L/R < -65 ms

No misfire, injector, MAF, ETC, TPS, Evap, IAT, MAP,ECT DTCs setCatalyst diagnostic test not activeClosed loop fuel enabledTraction control not activeNo injectors are disabledFuel level > 10%11 V < System voltage < 18 V

Engine run time > 200 secsECT > 70C1000 RPM < Engine speed< 3500 RPM15.0 grams/sec < MAF < 50.0 grams/secTP 5 %BLM cell number = 5,6,9,10,26 or 30Transmission not in park, reverse or neutralAbove conditions met for 2 secs

120 secs

Once per key cycle

DTC Type B

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

Throttle Actuator Control

(TAC) Module - ThrottleActuator PositionPerformance

P1516 1. Detect a throttle

positioning error.2. Detect a throttlepositioning error.

3. Detect excessivecurrent draw on theactuator circuit.

4. Determine if theactuator has beenmiswired.

|Throttle error| |2%| after > 5 sec

stability with no change in error sign,after 4 sec stable command.|Throttle error| > 10%(Actuator) > 9ATPS1< 2.36V

1-3. Ignition in run or crank

[RPM>0 or (RPM=0 and not in battery saver mode)].No airflow actuation, throttle actuation DTCsEngine running = true orSystem voltage > 6.5 V

4. Minimum TPS learn active state

1.249 counts

continuous; 2msec/count in themotor processor

2.99 countscontinuous; 2msec/count in themotor processor



DTC Type A

Control Module ThrottleActuator PositionPerformance

P2101 Detect a throttlepositioning error

Difference between measured throttleposition and modeled throttle position> 10%

Ignition in run or crank[RPM>0 or (RPM=0 and not in battery saver mode)]No airflow actuation, throttle actuation DTCs

Engine running orIgnition voltage > 8 V

Positive errorcounterIncrements by 3 ifTP error > 10%;decrements by 2 if0% < TP error< 10%;decrements by 2 if-10% < TP error 10%.

Thresholds are 45

Check runs every12.5 msec in themain processor

DTC Type A

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE

Accelerator Pedal Position

(APP) Sensor 1

P2120 Detect a continuous or

intermittent short oropen in the APP sensor#1

0.75 V > Raw APP 1 > 4.65V Ignition in unlock/accessory, run or crank

Ignition voltage >5.23 VNo PCM processor, 5 V reference DTCs

1. 20/40 counts

or 10 countscontinuous;12.5msec/count inthe mainprocessor

2. 92/217 countsor 67 countscontinuous; 2msec/count inthe motorprocessor

DTC Type A

Accelerator Pedal Position(APP) Sensor 1 OOR Low

P2122 Detect a continuous orintermittent short oropen in the APP sensor#1.

Raw APP sensor signal is< 0.75 V

Ignition in unlock/accessory, run or crank.Ignition voltage > 5.23 VNo 5VR DTCs

20/40 Counts or10 Countscontinuous12.5 ms /Ct in themain P

92/217 Counts or67 Countscontinuous2 ms/Ct in the MCP

DTC Type A

Accelerator Pedal Position(APP) Sensor 1 OOR High

P2123 Detect a continuous orintermittent short oropen in the APP sensor#1.

Raw APP sensor signal is> 4.65V

Ignition in unlock/accessory, run or crank.Ignition voltage > 5.23 VNo 5VR DTCs

20/40 Counts or10 Countscontinuous12.5 ms /Ct in themain P


DTC Type A

Accelerator Pedal Position(APP) Sensor 2 Circuit

P2125 Detect a continuous orintermittent short oropen in the APP sensor#2

0.75 V > Raw APP 2 > 4.65V Ignition in unlock/accessory, run or crankIgnition voltage >5.23 VNo PCM processor, 5 V reference DTCs

1. 15/35 countsor 10 countscontinuous;12.5msec/count inthe mainprocessor

2. 92/217 countsor 67 countscontinuous; 2msec/count in

the motorprocessor

DTC Type A

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE


(APP) Sensor 2 Circuit OORLow

P2127 Detect a continuous or

intermittent short oropen in the APP sensor#2.

Raw APP sensor signal is

< 0.75 V

Ignition in unlock/

accessory, run or crank.Ignition voltage > 5.23 VNo 5VR DTCs

15/35 Counts or

10 Countscontinuous12.5 ms / Ct in themain P


DTC Type A

Accelerator Pedal Position(APP) Sensor 2 Circuit OOR

High

P2128 Detect a continuous orintermittent short or

open in the APP sensor#2.

Raw APP sensor signal is> 4.65V

Ignition in unlock/accessory, run or crank.

Ignition voltage > 5.23 VNo 5VR DTCs

15/35 Counts or10 Counts

continuous12.5 ms / Ct in themain P


DTC Type A

Throttle Position (TP)Sensor 1-2 Correlation

P2135 Detects a continuous orintermittent correlationfault between TP sensors#1 and #2

Difference between (raw min. learnedTPS#1 voltage-raw min. TPS#1voltage) and (raw TPS#2 voltage - rawmin. learned TPS#2 voltage) 5.23 VNo PCM processor, TPS circuit DTCs

1. 15/35 countsor 12 countscontinuous;12.5msec/count inthe mainprocessor

2. 92/217 countsor 67 countscontinuous; 2msec/count inthe motorprocessor

DTC Type A

2006 3.5L (L52)

ENGINE DIAGNOSTIC PARAMETERS

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CODE

MONITOR STRATEGY

DESCRIPTION


THRESHOLD VALUE (S)


ENABLE CONDITIONS

TIME LENGTH

AND FREQUENCY

MILILLUMINATION

TYPE


(APP) Sensor 1-2Correlation

P2138 1.Detect an invalid

minimum mechanicalposition correlationbetween APP sensor #1and #2

2.Detect a short betweenAPP sensors #1 and #2circuits.

1.Difference between (5V-raw learned

min. APPS#2 voltage)*2 and (rawlearned min. APPS#1 voltage) > 0.25V at min throttle position to 0.5 V atmax throttle position

2.Difference between APP#1 andAPP#2 < 1 V

1. Ignition in unlock/accessory, run or crank

System voltage >5.23 VNo PCM processor, APP sensor, 5 V reference DTCs

2. Ignition in unlock/accessory, run or crankSystem voltage >5.23 VNo PCM processor DTCs

1. 15/35 counts or

12 countscontinuous, 12.5msec/count in themain processor.92/217 counts or80 countscontinuous, 2msec/count in themotor processor

2. 2 counts 156.25msec w/immediate teston an error,performed in themain processor

DTC Type A

Minimum Throttle PositionNot Learned

P2176 TP minimum learning notcompleted

TPS > 0.82 V Minimum TPS learn active stateStable throttle position reading for 40 msecIgnition in run or crank

No TPS circuit DTCs

3 secs DTC Type A

Control Module IgnitionOff Timer Performance

P2610 Determines if the ignitionoff timer has failed

1. A failure will be reported if thefollowing occurs 3 times:Ignition off time < 0OrIgnition off time > 10

2. A failure will be reported if any ofthe following occur 15 times out of 20tests: Time since last ignition off timer

increment > 1.39375 Current ignition off time < Old

ignition off time Time between ignition off timer

increments < 0.575 Time between ignition off timer

increments > 1.39375 Current ignition off time - old

ignition off Time =1

Test run this trip = FALSEIgnition off timer enabled = TRUE-40C < IAT < 125C

Frequency100 msec loop

Continuous check

DTC Type B

2006 File 14

Documents

Transcript of 2006 File 14