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

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I I P I<br />

I<br />

Model: 3 SerieslCompact (E36) 3 Series (E46) 520i (E34)<br />

5 Series (E39) 7 Series (E38) 23<br />

Engine management<br />

Scanner<br />

type<br />

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

MS41: Evaporative emission (EVAP) canister<br />

purge valve - electrical fault<br />

MS40142: Fuel pump relay - malfunction<br />

AC compressor clutch relay - malfunction<br />

Heated oxygen sensor (H02S) - circuit<br />

malfunction<br />

MS41: Heated oxygen sensor (H02S) 1 -<br />

circuit malfunction<br />

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

malfunction<br />

Throttle position (TP) sensor - defective<br />

Crankshaft position (CKP) sensodengine<br />

speed (RPM) sensor - incorrectho signal<br />

MS42: Oxygen sensor heater 2, bank 1 -<br />

circuit malfunction<br />

Engine control module (ECM)/ABS control<br />

module communication, ASR system<br />

Engine coolant temperature (ECT) sensor -<br />

matfunction<br />

MS41: Engine control module (ECM)/ABS<br />

control module communication, ASR system<br />

Engine control module (ECM)/ABS control<br />

module communication, ASR system<br />

Crankshaft position (CKP) sensorlengine<br />

speed (RPM) sensor - circuit malfunction<br />

Camshafl position (CMP) sensor - range/<br />

performance problem<br />

Intake air temperature (IAT) sensor -<br />

malfunction<br />

Evaporative emission (EVAP) canister purge<br />

valve - mechanical fault<br />

Idle speed control (ISC) actuatorlidte air control<br />

(IAC) valve - mechanical fault<br />

Heated oxygen sensor (H02S) - range/<br />

performance problem<br />

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

Camshaft position (CMP) actuator 1 -<br />

malfunction<br />

Camshafl position (CMP) actuator 2 -<br />

malfunction<br />

Camshaft position (CMP) actuator 1 -<br />

malfunction<br />

Camshaft position (CMP) actuator 2 -<br />

malfunction<br />

Throttle control unit - rangelperformance<br />

problem<br />

Probable cause<br />

Wiring, connector, EVAP canister purge valve<br />

Wiring, connector(s), fuel pump relay<br />

Wiring, AC compressor clutch relay<br />

Wiring, connector(s), H02S<br />

Wiring, connector(s), H02S, ECM<br />

Wiring, connector(s), H02S, ECM<br />

Wiring, connector(s), TP sensor<br />

I Wiring, CKP senior/~~~

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