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

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I Engine management<br />

Model: 316ilCompact, 318iliSICoupelCompact, 320i, 3251 (E36) 23 1,8i<br />

518i, 520i, 525iliX (E34) 750i (E32) 850ilCSI (E31)<br />

Flash type<br />

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

Probable cause<br />

2215<br />

2218<br />

2221<br />

2222<br />

2223<br />

2224<br />

2231<br />

2232<br />

2233<br />

2234<br />

2235<br />

2236<br />

2237<br />

2241<br />

2244<br />

2245<br />

2444<br />

2251<br />

2252<br />

2261<br />

2263<br />

2264<br />

2265<br />

2268<br />

2278<br />

2513<br />

4444<br />

Mass air flow (MAF) sensorlvolume air Row (VAF)<br />

sensor - incorrect signal<br />

Engine control module (ECM) - output stage<br />

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

malfunction<br />

Heated oxygen sensor (H02S) -<br />

rangelperformance problem<br />

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

malfunction<br />

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

Battery voltage - too lowlhigh<br />

Closed throttle position (CTP) switch - malfunction<br />

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

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

Torque converter clutch (KC) solenoid - defective<br />

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

communication, automat~c stability control (ASR)<br />

system<br />

AC compressor clutch relay - malfunction<br />

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

communication, traction control system (TCS)<br />

Camshaft position (CMP) sensor -<br />

rangelperformance problem<br />

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

module (TCM) communication - short to earth<br />

No fault found<br />

Injector(s), group 1 - circuit malfunction<br />

Injector(s), group 2 - circuit malfunction<br />

Fuel pump relay - malfunction<br />

Evaporative emission (EVAP) canister purge<br />

valve - malfunction<br />

Oxygen sensor heater relay - malfunction<br />

Malfunction indicator lamp (MIL) - short to earth1<br />

positive<br />

Mixture adjustment resistor - signal too Iowlhigh<br />

Transmission control module (TCM) - signal<br />

Engine control module (ECM) - unused output<br />

stage<br />

No fault found<br />

Wiring, connector(s), MAF sensorNAF sensor<br />

Wiring, ECM controlled components<br />

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

Wiring, intakelexhaust leak, fuel level low, fuel pressure,<br />

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

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

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

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

Wiring, alternator, battery<br />

Wiring, connector, CTP switch, ECM<br />

Wiring, TP sensor, ECM<br />

Wiring, instrument panel, VSS<br />

Wiring, TCC solenoid<br />

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

Wiring, AC compressor clutch relay<br />

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

Wiring, CMP sensor<br />

Wiring, ECM, TCM<br />

-<br />

Wiring, injector(s)<br />

Wiring, injector(s)<br />

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

Wiring, connector(s), EVAP canister purge valve<br />

Wiring, connector, oxygen sensor heater relay<br />

Wiring short to earthlpositive, MIL<br />

Wiring, mass air flow (MAF) sensor<br />

Wiring, TCM<br />

Wiring short to earthlpositive - ignore flash code if<br />

terminal 18 not connected<br />

-<br />

Motronic MI .7 (VIZ), M3.1<br />

Motronic M3.1<br />

fl Motronic MI .7 (V12)

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