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Trouble Godes - diagramas.diagram...

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,1 Seicento 90011,l Panda 9OOI1,l<br />

TipoiTernpra 1,812,O BravalBravo 1,6<br />

kend 1,6 Coupe 2,O 16ViTurbo<br />

Fa Probable cause<br />

Evaporative emission (EVAP) canister purge valve - circuit<br />

malfunction<br />

Wiring, supply voltage, EVAP canister purge valve, ECM<br />

Fuel pu ] Wiring, supply voltage, fuel pump relay<br />

Heated oxygen sensor (H02S)<br />

Idle air control (IAC) valve<br />

Idle speed control (ISC) actuator<br />

Idle control - outside specification<br />

Ignition amplifier I, cylinders I & 4 - malfunction<br />

Ignition amplifier 2, cylinders 2 & 3 - malfunction<br />

Wiring, H02S, air leak, ECM<br />

Wiring, IAC valve, ECM<br />

Wiring, ISC actuator, mechanical fault, ECM<br />

Intake leaklblockage, throttle valve tightkticking,<br />

IAC valve or ISC actuator. ECM<br />

Ignition coif - malfunction I Wiring, ignition coil, ECM<br />

Ignition coil 1, cylinders I & 4 - malfunction<br />

Ignition coil 2, cylinders 2 & 3 - malfunction<br />

Immobilizer circuit - malfunction<br />

Injector(5) - malfunction<br />

Injector I<br />

Injector 2<br />

Wiring, supply voltage, ignition coil, ignition amplifier,<br />

ECM<br />

Wiring, supply voltage, ignition coil, ignition amplifier,<br />

ECM<br />

Wiring, ignition coil, ECM<br />

Wiring, ignition coil, ECM<br />

Wiring, incorrectldamaged key, immobilizer defective,<br />

ECM<br />

Wiring, supply voltage, injector<br />

Wiring, fuse, engine control relaylrelay module, injector<br />

Wiring, fuse, engine control relavlrelav module, injector<br />

Injector 3 I Wiring, fuse, engine control relaylrelay module, injector<br />

Injector 4 I Wiring, fuse, engine control relaylrelay module, injector<br />

Instrument panel, engine speed signal - circuit malfunction<br />

Knock sensor (KS)<br />

Malfunction indicator lamp (MIL) - circuit malfunction<br />

Wiring, ECM<br />

Intake air temperature (IAT) sensor - openlshort circuit I Wiring, IAT sensor, ECM<br />

Manifold absolute pressure (MAP) sensor - malfunction I Intakelexhaust leak, wiring, MAP sensor, ECM<br />

Mixture control (MC)<br />

Mixture control (MC) - rich<br />

Mixture control (MC) - weak I<br />

Relay module<br />

Supply voltage<br />

Throttle position (TP) sensor<br />

Wiring,<br />

--<br />

Wiring, KS, KS incorrectly tightened, ECM<br />

Wiring, supply voltage, MIL lamp<br />

Fuel level low, fuel pressurelpump, intakelexhaust leak,<br />

misfire, MAP sensor, H02S, EVAP canister purge valve,<br />

injector(s), excessive fuel in engine oil<br />

Wiring, injector, fuel pressure, MAP sensor, ECM<br />

air leak, fuel pressure, ignition system, injector,<br />

MAP sensor, H02S, ECM<br />

Wiring, supply voltage, relay module<br />

Wiring, fuses, battery, alternator, ignition switch<br />

Wiring, TP sensor, ECM<br />

Transmission control module (TCM) - incorrect signal 1 Wiring, ECM<br />

Turbocharger (TC) wastegate regulating valve<br />

Wiring, supply voltage, TC wastegate regulating valve,<br />

ECM<br />

Vehicle speed signal<br />

Wiring, VSS, ECM<br />

Some models: Located in man~fold absolute pressure (MAP) sensor. 4<br />

-IEng~ne managemenl 257

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