Suzuki SY413 Service Manual page 3634

8G-18 IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED)
1. Immobilizer Control Module
2. Coupler
3. Body ground
INSPECTION OF IMMOBILIZER CONTROL MODULE
AND ITS CIRCUIT
Immobilizer Control Module and its circuit can be checked at Immo-
bilizer Control Module wiring coupler by measuring voltage and re-
sistance. Described here is only inspection of Immobilizer Control
Module.
CAUTION:
Immobilizer Control Module cannot be checked by itself.
It is strictly prohibited to connect voltmeter or ohmmeter
to Immobilizer Control Module with coupler discon-
nected from it.
Voltage Check
1) Remove Immobilizer Control Module from body with ignition
switch OFF referring to IMMOBILIZER CONTROL MODULE
REMOVAL in this section.
2) Connect Immobilizer Control Module couplers to Immobilizer
Control Module.
3) Check voltage at each terminal of couplers connected.
NOTE:
As each terminal voltage is affected by the battery voltage,
confirm that it is 11V or more when ignition switch is ON.