Suzuki GA413 Service Manual page 967

8G-8 IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED)
1. Immobilizer control module
2. DLC (Data link connector)
3. Immobilizer diagnostic coupler
D COIL ANTENNA FAILURE (CODE NO. 13)
EXAMPLE:
D Normal (No code)
DIAGNOSTIC TROUBLE CODE (DTC) CHECK
(IMMOBILIZER CONTROL MODULE)
1) Using analog type voltmeter, connect positive probe to diagnos-
2) Read deflection of voltmeter indicator which represents DTC as
4. Diagnostic output terminal
5. Ground terminal
tic output terminal and negative probe to ground of immobilizer
diagnostic coupler with ignition switch turned ON.
shown in example below and write it down. For details of DTC,
refer to Immobilizer Control Module side in "Diagnostic Trouble
Code Table".
If voltmeter indicator does not deflect, go to "Diagnostic Flow
Table A".
NOTE:
If abnormality or malfunction lies in two or more areas, volt-
meter indicator lamp indicates applicable codes three
times each.