Inspection Of Immobilizer Control Module (Icm) And Its Circuit - Suzuki GRAND VITARA 2005 Service Manual

Inspection of Immobilizer Control Module (ICM) and Its Circuit

ICM and its circuit can be checked at ICM wiring connector by measuring voltage.
CAUTION
!
ICM cannot be checked by itself. It is strictly prohibited to connect voltmeter or ohmmeter to ICM with
connector disconnected from it.
Voltage Check
1) Remove ICM (1) from steering lock assembly or steering lock unit referring to "Immobilizer Control Module (ICM)
Removal and Installation: ".
2) Connect ICM connector (2) to ICM.
3) Check voltage at each terminal.
NOTE
As each terminal voltage is affected by the battery voltage, confirm that it is 12 V or more when the
ignition switch is turned to ON position.
8 7 6 5
3. ICM connector (harness side view)
Immobilizer Control System:
1
2
4 3 2
1
3
I5JB0BA30005-02
10C-18
S5JB0BA304018