Suzuki SY413 Service Manual page 2359

DTC22 IGNITION SWITCH CIRCUIT OPEN/SHORT
DESCRIPTION:
Immobilizer Control Module monitors ignition signal when the ignition switch is ON. This DTC is set when no ignition
signal input is detected by Immobilizer Control Module.
INSPECTION:
STEP ACTION
1 Check voltage between Immobilizer
Control Module coupler terminal
E127-1 and body ground with igni-
tion switch turned ON. (See Fig.1)
Is it 10 – 14V?
Fig. 1 for Step 1
1. Immobilizer Control Module
IMMOBILIZER CONTROL SYSTEM (IF EQUIPPED) 8G-25
YES
Poor E127-1 terminal connection.
If connection is OK, substitute a
known-good Immobilizer Control
Module and recheck.
NOTE:
After replacing with a know-good
Immobilizer Control Module, reg-
ister ECM/Immobilizer Control
Module code in ECM / PCM and
Transponder code and ECM/Im-
mobilizer Control Module code in
Immobilizer Control Module by
performing procedure described
in "Procedure after Immobilizer
Control Module Replacement"
section.
1. Main fuse
2. Ignition switch
3. Immobilizer Control Module
NO
"B/W" wire open or short.