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10C-22 Immobilizer Control System: Inspection of Immobilizer Control Module (ICM) S5JB0AA304011 Immobilizer control module (ICM) and its circuit can be CAUTION !
Immobilizer control module (ICM) cannot be
Voltage Check 1) Remove immobilizer control module (ICM) (1) from steering lock assembly or steering lock unit referring 2) Connect immobilizer control module (ICM) connector (2) to immobilizer control module (ICM). 3) Check voltage at each terminal. NOTE
3. Immobilizer control module (ICM) connector (harness side view) 1 2 3 4 G24 1 2 3 5 6 I5JB0AA30005-01 Connector Terminal Circuit Normal Voltage Condition G24 1 BLK/ WHT Power supply About 12.0 V Ignition switch at ON position 0.0 V Ignition switch at OFF position 2 BLK Ground 0.0 V Ignition switch at ON position 0.0 V Ignition switch at OFF position 3 GRY/ BLU Serial communication line See the reference — 0.0 V Ignition switch at OFF position 4 PNK/ BLU Clock line See the reference — 0.0 V Ignition switch at OFF position 5 BLK/ RED Illumination ring ground 0 V • Ignition key not inserted to the key cylinder 0 V → 12 V • Ignition key at OFF position interior light faded out completely (As the interior light fades out, the voltage 0 V → 12 V • Door closed time interior light is completely faded out (As the interior light fades out, the voltage 6 WHT Illumination ring power About 12.0 V Ignition switch at ON position About 12.0 V Ignition switch at OFF position |