Autodata - Diagnostic Trouble Codes Fault locations and probable causes - 2004 edition

05.02.2017 Views

[Engine management Flash type Probable cause Early models: ldle air control (IAC) valve Late models: ldle air control (IAC) valve - opening signal AC refrigerant pressure sensor Long term fuel trim, part load - lower limit reached Long term fuel trim, idling Long term fuel trim, idle air adjustment Exhaust gas recirculation (EGR) solenoid Exhaust gas recirculation (EGR) system - incorrect flow detected Throttle position (TP) sensor ldle air control (IAC) valve - closing siqnal Vehicle speed sensor (VSS) Camshaft position (CMP) sensor Evaporative emission (EVAP) system Mass air flow (MAF) sensor - no filament bum-off signal Malfunction indicator lamp (MIL) Engine control module (ECM) - supply voltage, battery Transmission control module (TCM) - MIL ON request AC relay Fuel pump retay Throttle position (TP) sensor Exhaust gas recirculation temperature (EGRT) sensor Turbocharger (TC) pressure - control Transmission control moduje (TCM) - TC boost reduction signal Engine control module (ECM) - overheating Knock sensor (KS) 2 Heated oxygen sensor (H02S) 1 - slow response Heated oxygen sensor (H02S) 2 - compensation Secondary air injection (AIR) pump relay Catalytic converter - elficien~y Accelerator pedal position (APP) sensor Wiring, IAC valve Wiring, IAC valve Wiring, AC refrigerant pressure sensor Fuel pressure high, excessive fuel in engine oil, engine oil level high, injector(s) leaking, EVAP canister purge valve, hose connection, wiring, MAFIMAP sensor, ECT sensor, H02S lntakelexhaust leak, fuel pressure, excessive fuel in engine oil, injector(s), EVAP canister purge valve, wiring, MAF sensor, ECT sensor, H02S Intake leaklblockage, throttle valve adjustment, wiring, IAC valve Wiring, EGR solenoid Hose leaklblockage, wiring, EGR valve, EGR control module, engine coolant thermostat Wiring, TP sensor Wiring, IAC valve Wiring, speedometer, VSS Wiring, CMP sensor EVAP canister, hose leaklblockage, EVAP canister purge valve Wiring, ECM Wiring, MIL Battery dischargedldisconnected, wiring, ECM disconnected Wiring Wiring, AC relay Wiring, fuel pump relay --- Wiring, TP sensor Wiring, EGRT sensor TC wastegate regulating valve hose leaklblockage, wiring, MAF sensor, TCM wire (TC boost reduction), TC wastegate regulating valve Wiring short to earth Engine coolant blower motor, air supply blocked, module cooling fan Wiring, KS lntakelexhaust leak, fuel pressure, compression, H02S lntakelexhaust leak, fuel pressure, compression, H02S 112 Wiring, AIR pump relay lntakelexhaust leak, fuel pressure, compression, catalytic converter Wiring, APP sensor

Model: 850 2,O 850 2,3/2,5 850 2,5 20V 960 2,5/3,0 Engine management 7 Flash type Fault location 451 Cylinder I - misfire detected 452 Cylinder 2 - misfire detected 453 454 I Cylinder 3 - misfire detected Cylinder 4 - misfire detected 455 Cylinder 5 - misfire detected 51 1 512 512 Long term fuel trim, idling Short term fuel trim - lower limit reached Short term fuel trim Engine control module (ECM) - overheating 513 1 514 I Engine coolant blower motor, low speed 51 5 I Engine coolant blower motor, high speed 52 1 I Heated oxygen sensor (H02S) I - heater control 522 I Heated oxygen sensor (H02S) 2 - heater control 523 524 53 1 532 Module cooling fan Transmission control module (TCM) - torque reduction signal Engine control module (ECM) - power stage - group A Engine control module (ECM) - power stage - group B 533 Engine control module (ECM) - power stage - group C 534 I Engine control module (ECM) - power stage - group D 535 Turbocharger (TC) wastegate regulating valve 541 I Evaporative emission (EVAP) canister purge valve Probable cause Spark plug, HT lead, distributor rotorlcap, moisture ingress, injectorlwiring, air leak, compression, head gasket, low-tension wiring, repeated cold starts (flooding), puncture in front tyre Spark plug, HT lead, distributor rotorlcap, moisture ingress, injectorlwiring, air leak, compression, head gasket, low-tension wiring, repeated cold starts (flooding), puncture in front tyre Spark plug, HT lead, distributor rotorlcap, moisture ingress, injectorlwiring, air leak, compression, head gasket, low-tension wiring, repeated cold starts (flooding), puncture in front tyre Spark plug, HT lead, distributor rotorlcap, moisture ingress, injectorlwiring, air leak, compression, head gasket, low-tension wiring, repeated cold starts (flooding), puncture in front tyre Spark plug, HT lead, distributor rotorlcap, moisture ingress, injectorlwiring, air leak, compression, head gasket, low-tension wiring, repeated cold starts (flooding), puncture in front tyre lntakelexhaust leak, fuel pressure, excessive fuel in engine oil, injector(s), EVAP canister purge valve, wiring, MAF sensor, ECT sensor, H02S H02S signal wire short to earth, EGR system leak, MAP sensor, H02S, MAP sensor earth wire open circuitlpoor connection Fuel pressure, wiring, MAF sensor Engine coolant blower motor, air supply blocked, module cooling fan Wiring, engine coolant blower motor relay Wiring, engine coolant blower motor relay Wiring, H02S Wiring, H02S Wiring, module cooling fan Wiring Wiring, injector(s), EVAP canister purge valve, ECM Wiring, IAC valve, TC wastegate regulating valve, engine coolant blower motor relay, ECM Wiring short to positive, EGR control module, engine coolant blower motor relay, TCM (load signal), instrument panel (ECTIRPMlfuel consumption signals), ECM Wiring short to positive, MIL, AC relay, fuel pump, ignition amplifier, ECM Wiring, TC wastegate regulating valve Wiring, EVAP canister purge valve

[Engine management<br />

Flash type<br />

Probable cause<br />

Early models: ldle air control (IAC) valve<br />

Late models: ldle air control (IAC) valve - opening signal<br />

AC refrigerant pressure sensor<br />

Long term fuel trim, part load - lower limit reached<br />

Long term fuel trim, idling<br />

Long term fuel trim, idle air adjustment<br />

Exhaust gas recirculation (EGR) solenoid<br />

Exhaust gas recirculation (EGR) system - incorrect flow<br />

detected<br />

Throttle position (TP) sensor<br />

ldle air control (IAC) valve - closing siqnal<br />

Vehicle speed sensor (VSS)<br />

Camshaft position (CMP) sensor<br />

Evaporative emission (EVAP) system<br />

Mass air flow (MAF) sensor - no filament bum-off signal<br />

Malfunction indicator lamp (MIL)<br />

Engine control module (ECM) - supply voltage, battery<br />

Transmission control module (TCM) - MIL ON request<br />

AC relay<br />

Fuel pump retay<br />

Throttle position (TP) sensor<br />

Exhaust gas recirculation temperature (EGRT) sensor<br />

Turbocharger (TC) pressure - control<br />

Transmission control moduje (TCM) - TC boost reduction<br />

signal<br />

Engine control module (ECM) - overheating<br />

Knock sensor (KS) 2<br />

Heated oxygen sensor (H02S) 1 - slow response<br />

Heated oxygen sensor (H02S) 2 - compensation<br />

Secondary air injection (AIR) pump relay<br />

Catalytic converter - elficien~y<br />

Accelerator pedal position (APP) sensor<br />

Wiring, IAC valve<br />

Wiring, IAC valve<br />

Wiring, AC refrigerant pressure sensor<br />

Fuel pressure high, excessive fuel in engine oil,<br />

engine oil level high, injector(s) leaking,<br />

EVAP canister purge valve, hose connection, wiring,<br />

MAFIMAP sensor, ECT sensor, H02S<br />

lntakelexhaust leak, fuel pressure, excessive fuel in<br />

engine oil, injector(s), EVAP canister purge valve,<br />

wiring, MAF sensor, ECT sensor, H02S<br />

Intake leaklblockage, throttle valve adjustment,<br />

wiring, IAC valve<br />

Wiring, EGR solenoid<br />

Hose leaklblockage, wiring, EGR valve, EGR control<br />

module, engine coolant thermostat<br />

Wiring, TP sensor<br />

Wiring, IAC valve<br />

Wiring, speedometer, VSS<br />

Wiring, CMP sensor<br />

EVAP canister, hose leaklblockage, EVAP canister<br />

purge valve<br />

Wiring, ECM<br />

Wiring, MIL<br />

Battery dischargedldisconnected, wiring,<br />

ECM disconnected<br />

Wiring<br />

Wiring, AC relay<br />

Wiring, fuel pump relay<br />

---<br />

Wiring, TP sensor<br />

Wiring, EGRT sensor<br />

TC wastegate regulating valve hose leaklblockage,<br />

wiring, MAF sensor, TCM wire (TC boost reduction),<br />

TC wastegate regulating valve<br />

Wiring short to earth<br />

Engine coolant blower motor, air supply blocked,<br />

module cooling fan<br />

Wiring, KS<br />

lntakelexhaust leak, fuel pressure, compression,<br />

H02S<br />

lntakelexhaust leak, fuel pressure, compression,<br />

H02S 112<br />

Wiring, AIR pump relay<br />

lntakelexhaust leak, fuel pressure, compression,<br />

catalytic converter<br />

Wiring, APP sensor

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