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Trouble Godes - diagramas.diagram...

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I Engine management<br />

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

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

Scanner<br />

type<br />

Fault location<br />

Probable cause<br />

189 Heated oxygen sensor (H02S) 1, bank 2 -<br />

rangelperformance problem<br />

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

190 Heated oxygen sensor (H02S) 2, bank 1 -<br />

rangelperformance problem<br />

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

191<br />

200 /<br />

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

rangelperformance problem<br />

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

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

Disconnect ECM multi-plug for at least 5 min. - check if<br />

trouble code reappears before replacing ECM<br />

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

circuit malfunction<br />

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

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

malfunction<br />

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

Heated oxygen sensor (H02S), cyl. 1-3 - Wiring, intakelexhaust leak, fuel level low, fuel pressure,<br />

rangelperformance problem<br />

evaporative emission (EVAP) canister purge valve,<br />

injector(s), H02S, ECM<br />

Heated oxygen sensor (H02S), cyl. 4-6 - Wiring, intakelexhaust leak, fuel level low, fuel pressure,<br />

rangelperformance problem<br />

evaporative emission (EVAP) canister purge valve,<br />

204<br />

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

I (IAC) valve - idle speed incorrect<br />

injector(s), H02S, ECM<br />

Intake leak, ISC actuator1lAC valve, TP sensor, throttle valve<br />

Immobilizer control modulelengine control<br />

module (ECM) - plausibility<br />

Wiring, immobilizer control module, ECM<br />

210<br />

Immobilizer control module - incorrect signal<br />

I Misfire detected - more than 2 cylinders<br />

Wiring, incorrectly coded, immobilizer control module<br />

Wiring, ignition coils, spark plugs, ignition signal resistor,<br />

ECM<br />

Idle speed control (ISC) actuatorlidle air control ISC actuatorllAC valve<br />

212<br />

214<br />

215<br />

(IAC) valve - mechanical fault<br />

Camshaft position (CMP) actuator -<br />

1 mechanical fault<br />

Vehicle speed sensor (VSS) - signal 1<br />

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

1 module communication - plausibility<br />

Camshaft timing mechanism, CMP actuator<br />

Wiring, ECMIABS control module communication, electrical<br />

interference, ABS trouble code(s) stored, ECM<br />

Wiring, electrical interference, ABS trouble code(s) stored,<br />

ECM<br />

MS42: Heated oxygen sensor (H02S) 2, Wiring, connector(s), H02S<br />

bank 1 - no signal<br />

I CAN data bus. TCM - signal Wiring, transmission range (TR) switch, electrical<br />

interference, TCM, ECM<br />

MS42: Heated oxygen sensor (H02S) 2,<br />

bank 2 - no signal<br />

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

CAN data bus, TCM - no data transmission Wiring, electrical interference, TCM<br />

218 ( CAN data bus, ECM Wiring<br />

21 9 CAN data bus, ECM<br />

Wiring<br />

220<br />

Heated oxygen sensor (H02S) 2, bank 1 -<br />

malfunction<br />

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

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

malfunction<br />

Wiring, connector(s), H02S

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