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Trouble Godes - diagramas.diagram...

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Erasing<br />

Engine management<br />

Access trouble codes. Switch ignition OFF.<br />

Operate switch and hold.<br />

Switch ignition ON.<br />

Release switch after 5 seconds. Check that LED flashes.<br />

ldle speed control (ISC) actuator activated. <strong>Trouble</strong> code<br />

displayed: 1232.<br />

Operate switch for 4-6 seconds to activate each of the<br />

following components:<br />

Intake manifold heater. <strong>Trouble</strong> code displayed: 4342.<br />

Evaporative emission (EVAP) canister purge valve. <strong>Trouble</strong><br />

code displayed: 4343.<br />

After activation of last component operate switch for<br />

4-6 seconds to display flash code 0000 (long flashes).<br />

Fault memory automatically erased.<br />

Repeat checking procedure to ensure no data remains in<br />

ECM fault memory.<br />

Method 2<br />

Ensure ignition switched OFF.<br />

Method 1<br />

Disconnect ECM multi-plug or battery earth lead.<br />

Ensure ignition switched OFF.<br />

NOTE: ECM adaptive memory may be erased causing erratic<br />

Bridge data link connector (DLC) terminals 4 and 15 with a running faults. Carry out road test to allow ECM to<br />

switched lead - contacts normally open 8. re-learn basic values.<br />

NOTE: DLC terminal 15 is connected to ECM terminal 11. WARNING: Disconnecting the battery may erase memory from<br />

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

terminal 16 and ECM terminal 4 8.<br />

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

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

type<br />

4-digit<br />

0000 I End of test sequence 1 -<br />

1111<br />

1231<br />

1232<br />

2113 8 ( Crankshafl position (CKP) sensor I Insecure rotor, wiring, CKP sensor<br />

2121 I Closed throttle position (CTP) switch Accelerator cable adjustment, CTP switch<br />

adjustment, wiring, CTP switch<br />

221 2<br />

2234<br />

Fault location Probable cause<br />

Engine control module (ECM)<br />

Vehicle speed sensor (VSS)<br />

Idle speed control (ISC) actuator<br />

231 2 I Engine coolant temperature (ECT) sensor I Wiring, poor connection, ECT sensor<br />

ECM<br />

Wiring, speedometer, VSS<br />

2322 I Intake air temperature (IAT) sensor I Wiring, IAT sensor<br />

2341<br />

Throttle position (TP) sensor<br />

Engine control module (ECM) - supply voltage<br />

Wiring, multi-plug incorrectly wired, ISC actuator<br />

Wiring, poor connection, TP sensor<br />

Battery, wiring<br />

2342 I Heated oxygen sensor (H02S) 1 Wiring, H02S, heating inoperative, fuel level low<br />

2413<br />

4444<br />

Heated oxygen sensor (H02S) - lambda control<br />

Mixture control (MC)<br />

No fault found<br />

Heating inoperative, exhaust leak, misfire,<br />

fuel pressurelpump, EVAP canister purge valve<br />

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

leak, misfire, H02S, EVAP canister purge valve,<br />

injector, excessive fuel in engine oil<br />

8 <strong>Trouble</strong> code may be displayed if engine is not idling during self-diagnosis due to missing CKP sensor signal. Ignore trouble code if<br />

engine starts.<br />

After repairs, erase learnt lambda control values: Wait 30 seconds. Disconnect battery or ECM multi-plug for at least 30 seconds.<br />

Carry out road test to allow ECM to re-learn basic values.<br />

-<br />

I

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