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Trouble Godes - diagramas.diagram...

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I Engine management<br />

Erasing<br />

Method 1<br />

Switch ignition ON.<br />

Connect LED test lamp between data link connector (DLC)<br />

terminal C3 and battery positive D.<br />

Bridge data link connector (DLC) terminal C2 and earth with<br />

a switched lead - contacts normally open m.<br />

Operate switch for 2,523 seconds.<br />

LED or MIL will now flash trouble code 12.<br />

Repeat switch operation until code 11 is displayed.<br />

Operate switch for 10-20 seconds.<br />

Switch ignition OFF.<br />

Method 2<br />

Ensure ignition switched OFF.<br />

Disconnect battery earth lead for 10 seconds.<br />

WARNING: Disconnecting the battery may erase memory from<br />

electronic units (e.g. radio, clock).<br />

<strong>Trouble</strong> code identification<br />

Flash type Fault location Probable cause<br />

I<br />

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

Engine coolant temperature (ECT) Wiring, ECT sensor, ECM<br />

sensor<br />

Throttle pos~tion (TP) sensor<br />

Closed throttle position (CTP) switch<br />

Idle speed control (ISC) actuator ( Wiring, ISC actuator, ECM<br />

-<br />

Wiring, TP sensor, accelerator cable adjustment, ECM<br />

Wiring, CTP switch, accelerator cable adjustment, ECM<br />

Crankshaft position (CKP) sensor1 Wiring, CKPlRPM sensor, air gap, ECM<br />

engine speed (RPM) sensor<br />

Mixture control (MC) - mixture rich<br />

Mixture control (MC) - mixture lean<br />

Wiring, incorrect fuel, heated oxygen sensor (H02S) - heater circuit,<br />

exhaust blockage, fuel pressure, injector control, EVAP canister purge<br />

valve, compression, air filter blocked, ignition system, ECM<br />

Wiring, incorrect fuel, heated oxygen sensor (H02S) - heater circuit,<br />

exhaust leak, fuel pressure, injector control, EVAP canister purge<br />

valve, compression, ignition system, ECM<br />

~eated oxygen sensor (H02S) I Wiring, HOZS, exhaust leak, relay module, ECM<br />

Relay module<br />

Evaporative emission (EVAP)<br />

canister purge valve<br />

( Wiring, relay module - fuel pump contacts, ECM<br />

I Wiring. EVAP canister purge valve, ECM<br />

Injector I Wiring, relay module, injector, ECM<br />

Ignition coil 1 - cylinders 1 8 4<br />

Ignition coil 2 - cylinders 2 8 3<br />

Wiring, ignition coil, ECM<br />

Wiring, ignition coil, ECM<br />

Battery voltage I Wiring, battery discharged, alternator<br />

Engine control module (ECM) ( Wiring, battery, ECM<br />

Vehicle speed sensor (VSS) Wiring, VSS, ECM<br />

1 224 I,.,,,,,,,,<br />

4

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