Component Location
General Description

When driver inserts key and IGN "ON", Immobilizer informs status of system and result of Authentication by blinking of immobilizer lamp on instrument cluster. Through Authentication procedure immobilizer lamp keep lighting up till engine starts. In normal status. Immobilizer lamp lights up for 30sec Right after ignition "ON". If there's any fault in immobilizer system or in Authentication, lamp blinks 5 times after ignition "ON".

DTC Description

The ECM sets DTC P1692 if there's short circuit in immobilizer lamp circuit.

DTC Detecting Condition

Item

Detecting Condition

Possible Cause

DTC Strategy

•

­-

1.

Short Circuit in immobilizer lamp circuit

2.

Open/Short in control harness

3.

Faulty ECM

Enable Conditions

•

IG ON

Threshold value

•

Short to GND, Wiring open

Detecting time

•

-

Fail Safe

•

-

Diagnostic Circuit Diagram
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Signal Waveform & Data

Fig.1) A normal signal waveform of antenna and immobilizer communication when IG key(TP : Transponder) is OFF to ON.

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