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

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Engine management I<br />

type<br />

4-digit<br />

<strong>Fault</strong> location<br />

Probable cause<br />

2311 1 Fuel temperature sensor Fuel filter pre-heater, fuel filter non-return valve, wiring,<br />

fuel temperature sensor<br />

2312 Engine coolant temperature (ECT)<br />

sensor<br />

Wiring, poor connection, ECT sensor<br />

2322 I Intake air temperature (IAT) sensor I Wiring, poor connection, IAT sensor<br />

3131<br />

4113<br />

4321<br />

4332<br />

4444<br />

Accelerator pedal position (APP)<br />

sensor<br />

Fuel quantity adjuster<br />

Exhaust gas recirculation (EGR)<br />

solenoid<br />

Fuel shut-off solenoid<br />

Engine control module (ECM) -<br />

output stages<br />

No fault found<br />

Incorrectly adjusted, wiring, APP sensor<br />

Incorrectly set, wiring, fuel injection pump<br />

Wiring, EGR solenoid<br />

Wiring, fuel shut-off solenoid<br />

Wiring, ECM controlled components<br />

-<br />

-<br />

5-digit<br />

type<br />

Fauit location<br />

Probable cause<br />

00281 I Vehicle speed sensor (VSS)<br />

00513 Crankshaft position (CKP) sensor<br />

00519 Manifold absolute pressure (MAP)<br />

sensor<br />

00522 Engine coolant temperature (ECT)<br />

Wiring, speedometer, VSS<br />

Air gap, metal particles, insecure sensorlrotor, wiring, CKP sensor<br />

TC wastegate regulating valve, hose connection(s), poor<br />

connection, wiring, MAP sensor, ECM<br />

Wiring, poor connection, ECT sensor<br />

00523<br />

Wiring, poor connection, IAT sensor<br />

Wiring, both switch positions not synchronised, stop lamp switch,<br />

(BPP) switch - implausible ratio BPP switch<br />

00527 1 lntake air temperature (IAT) sensor Wiring, poor connection, IAT sensor<br />

00532 Engine control module (ECM) - Fuse, alternator, battery, current draw with ignition OFF,<br />

supply voltage<br />

engine control relay, wiring<br />

00539 Fuel temperature sensor<br />

Fuel filter pre-heater, fuel filter non-return valve, wiring,<br />

fuel temperature sensor<br />

00541 Fuel quantity adjuster position sensor Wiring, fuel quantity adjuster position sensor<br />

00542 Injector needle lift sensor<br />

Air in fuel system, fuel level low, wiring, CKP sensor, injector needle<br />

lift sensor<br />

00550 Start of injection - control<br />

Wiring, fuel injection timing solenoid, injector needle lift sensor,<br />

air in fuel system, fuel level low, pump timing<br />

00552 Volume air flow (VAF) sensor<br />

lntake leak, EGR system hose connections interchanged, wiring,<br />

VAF sensor<br />

00560 Exhaust gas recirculation (EGR)<br />

00575 Intake manifold pressure<br />

Hose connection(s), wiring, EGR solenoidlvalve<br />

lntake leaklblockage, MAP sensor, MAF sensor, TC wastegate<br />

actuatorlregulating valve, hoses interchangedlnot connected,<br />

wiring<br />

00625 Vehicle speed signal<br />

Wiring, speedometer, VSS<br />

00627 Fuel filter water level sensor<br />

Water in filter, wiring, fuel filter water level sensor<br />

-IEngine management 137

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