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

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Engine management 7<br />

3-digit type<br />

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

Exhaust gas recirculation (EGR) solenoid - open circuit/<br />

short to earth<br />

Transmission overload protection switch - short to earth<br />

Transmission overload protection switch - switch closed<br />

Transmission overload protection switch - switch open<br />

Transmission overload protection switch - plausibility<br />

CAN data bus, ECM - malfunctionp<br />

CAN data bus, ASR system - malfunction<br />

CAN data bus, cruise control system/TP control<br />

module - malfunction<br />

CAN data bus, diagnostic module - malfunction<br />

- - .-<br />

Engine control module (ECM), pin 50 - starter signal<br />

With ATlcruise control system: Cruise control, inertia fuel<br />

shut-off (IFS) switch - active<br />

lntake manifold air control solenoid - short to positive<br />

lntake manifold air control solenoid -open circuitfshort to<br />

earth<br />

Ignition amplifier - malfunction<br />

Oxygen sensor heater relay 2 - short to positive<br />

Oxygen sensor heater relay 2 - open circuitfshort to<br />

earth<br />

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

plausibility<br />

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

Engine control module (ECM) - internal fault<br />

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

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

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

CAN data bus, remote central locking - malfunction<br />

Bosch HFM 06/93 +: Engine control module (ECM) -<br />

supply voltage low<br />

Attempt to start engine while central locking still activated<br />

Supercharger (SC) - malfunction<br />

Supercharger (SC) clutch - open circuit/short to earth<br />

Electronic traction control (ETC) - signal<br />

lntake air flap control actuator, supercharger (SC) -<br />

malfunction<br />

lntake air flap control actuator, supercharger (SC) -<br />

malfunction<br />

Engine control module (ECM) - internal fault<br />

Engine control module (ECM) - internal fault<br />

Probable cause<br />

Wiring open circuitlshort to earth, EGR solenoid,<br />

hose@)<br />

Wiring short to earth, transmission overload<br />

protection switch<br />

Wiring, transmission overload protection switch<br />

Wiring, transmission overload protection switch<br />

Wiring, transmission overload protection switch<br />

Wiring, ECM<br />

Wiring<br />

Wiring<br />

Wiring<br />

Wiring<br />

Wiring, TP sensor, idle speed control (ISC) actuator<br />

Wiring, intake manifold air control solenoid, ECM<br />

Wiring, intake manifold air control solenoid, ECM<br />

Wiring, ignition amplifier, ignition coil@), ECM<br />

Wiring short to positive, oxygen sensor heater<br />

relay, ECM<br />

Wiring open circuitlshort to earth, oxygen sensor<br />

heater relay, ECM<br />

Wiring, ignition switch, overvoltage protection relay<br />

Wiring, ignition switch, overvoltage protection relay<br />

ECM<br />

Not coded<br />

ECM not coded, ECM<br />

Not coded, ECM<br />

Wiring<br />

Wiring, connector, fuse, overvoltage protection<br />

relay<br />

Erase fault memory, trouble code@) stored in other<br />

system(s)<br />

Wiring, mechanical fault, hose(s), intake air flap<br />

control actuator, ECM<br />

Wiring open circuitlshort to earth, SC clutch, ECM<br />

Wiring short to earth, ETC module<br />

Wiring open circuitlshort to earth, intake air flap<br />

control actuator, ECM<br />

Wiring short to positive, intake air flap control<br />

actuator, ECM<br />

ECM<br />

ECM<br />

/<strong>Autodata</strong>- Englne management 43 I

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