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Trouble Godes - diagramas.diagram...

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Engine management<br />

Model: Panda 1,011 ,llUno 1,011,1/1,411,5 Punto 1,4 GTII ,6TTipoTTempra 1,4/1,6<br />

BravalBravo 1,2/1,4/1,8/2,0 MarealMarea Weekend 1,2/1,4/1,812,0<br />

Barchetta Come 1.812.0 2OVTTurbo Fiorino 1 All .5/l.6<br />

Fault location Probable cause<br />

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

Intake manifold air control solenoid - circuit malfunction<br />

Wiring, IAT sensor, ECM<br />

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

Knock sensor(s) (KS) Wiring, KS, KS incorrectly tightened, ECM<br />

Malfunction indicator lamp (MIL) - circuit malfunction Wiring, supply voltage, MIL<br />

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

Mass air flow (MAF) sensor Wiring, intake leak, air filter blocked, MAF sensor, ECM<br />

Mixture control (MC) Fuel level low, fuel pressurelpump, intakelexhaust leak,<br />

misfire, MAPIMAF sensor, H02S, EVAP canister purge<br />

valve, injector@), excessive fuel in engine oil<br />

Mixture control (MC) - rich Wiring, injector, fuel pressure, MAF sensor, ECM<br />

Mixture control (MC) - weak Wiring, air leak, fuel pressure, ignition system, injector,<br />

MAF sensor, H02S, ECM<br />

Relay module<br />

Wiring, supply voltage, relay module<br />

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

rn Throttle position (TP) sensor Wiring, TP sensor, ECM<br />

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

Turbocharger (TC) pressure - control difference lntakelexhaust leak, hoses interchangedlnot connected,<br />

MAP sensor, TC wastegate regulating valve, turbocharger<br />

(TC) wastegate actuator, TC<br />

Turbocharger (TC) wastegate regulating valve<br />

Vehicle speed signal Wiring, VSS, ECM<br />

Located in idle s~eed control (ISC) ~, actuator.<br />

Some models: Located in manifold absolute pressure (MAP) sensor.<br />

Punto GT: Located in engine control module (ECM).<br />

rn Some models: Located in idle speed control (ISC) actuator.<br />

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

ECM

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