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

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ME RCED ESIBE NZ Model.<br />

Engine management<br />

Cl801200/200K122012301230K/280 (202) E200122012801320 (124)<br />

E200123012801320 (210) S2801320 (140) SLK200 (170)<br />

SL2801320 (129)<br />

Erasing<br />

Ensure ignition switched OFF.<br />

Bridge data link connector (DLC) terminals 1 <strong>and</strong> 4 or 1 <strong>and</strong><br />

8 with a switched lead - contacts normally open rn or m.<br />

Connect LED test lamp between terminals 3 <strong>and</strong> 4 or 8 <strong>and</strong><br />

I6 rn or m.<br />

NOTE: Connect LED test lamp positive connection to terminal 3<br />

or 16.<br />

Operate switch for 2-4 seconds.<br />

Operate switch for 5-6 seconds - Bosch ECM +08193.<br />

Allow LED to display trouble code.<br />

Operate switch for 6-8 seconds.<br />

Operate switch for 8-9 seconds - Bosch ECM +08193.<br />

Repeat operation to erase all stored trouble codes.<br />

After erasing trouble code 1: Switch ignition OFF.<br />

Wait 2 seconds.<br />

Switch ignition ON.<br />

Wait 10 seconds minimum.<br />

Start engine.<br />

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

1 I No fault found I -<br />

2<br />

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

fault<br />

3 I Intake air temperature (IAT) sensor - electrical fault I Wiring, connector, IAT sensor, ECM<br />

Bosch HFM: Mass air flow (MAF) sensor -<br />

rangelperformance problem<br />

Siemens PMS: Manifold absolute pressure (MAP)<br />

sensor - vacuum leak<br />

Wiring, connector, ECT sensor, ECM<br />

Wiring, connector, intake leak, MAF sensor, ECM<br />

Hoses, ECM<br />

5 I Idle speed control (ISC) actuator - malfunction I Wiring, connector, ISC actuator<br />

6<br />

7<br />

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

problem<br />

Idle speed control (1%) actuator - malfunction<br />

/ ldle speed control (ISC) - malfunction<br />

1 422 I,,,,,,,,,,,,,,<br />

Wiring, connector, TP sensor, ECM<br />

Wiring, connector, ISC actuator, ECM<br />

Wiring, connector, intake leak, MAF sensor, throttle<br />

valve tighffsticking

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