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

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Model: Corsa-BTTigra Astra-F Vectra-AICavalier Vectra-BICalibra<br />

Omega-B Sintra Frontera OPELWAlJXHALL I /<br />

lmmobilizer I<br />

General information<br />

Refer to the front of this manual for general test conditions,<br />

terminology, detailed descriptions of wiring faults <strong>and</strong> a<br />

general trouble shooter for electrical <strong>and</strong> mechanical faults.<br />

Accessing <strong>and</strong> erasing<br />

The immobilizer control module fault memory can only be<br />

accessed <strong>and</strong> erased using diagnostic equipment<br />

connected to the data link connector (DLC).<br />

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

I<br />

I<br />

Probable cause<br />

11 ( Ignition key - no signal I Wiring, incorrectldefective ignition key<br />

lgnition key - incorrect signal<br />

/ Immobilizer control module - coding<br />

Incorrect ignition key, ignition key not<br />

programmed<br />

-<br />

lmmobilizer control module<br />

programming<br />

14 I Immobilizer control module, ignition key(s) - programming ( No ignition keys programmed<br />

15 I Vehicle speed sensor (VSS) - voltage low I Wiring open circuivshort to earth<br />

16<br />

17<br />

Vehicle speed sensor (VSS) - voltage high<br />

Immobilizer control modulelengine control module (ECM)<br />

communication - no ECM siqnal<br />

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

19<br />

20<br />

Immobilizer warning lamp - without alarm system - voltage low<br />

Alarm system control module, signal - voltage low<br />

Immobilizer warning lamp - without alarm system - voltage high<br />

Alarm system control module, signal - voltage high<br />

-<br />

Wiring short to positive<br />

Wiring, ECM<br />

Wiring open circuivshort to earth<br />

Wiring short to earth<br />

Wiring short to positive<br />

Wiring short to positive<br />

21 ( immobilizer relay - voltage low 1 Wiring open circuitlshort to earth<br />

22 I Immobilizer relay - voltage high I Wiring short to positive<br />

52<br />

55<br />

Immobilizer control module - defective<br />

Immobilizer control module - defective<br />

Immobilizer control module<br />

Immobilizer control module

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