Suzuki Wagon R Manual page 4047

8G3-4 IMMOBILIZER CONTROL SYSTEM (Z13DT ENGINE MODEL)
ECM and Immobilizer Control Module have on-board diagnostic system. Investigate where the trouble is by
referring to "Diagnostic Flow Table" and "Diagnostic Trouble Code (DTC) Table" in this section.
Diagnostic Flow Table
Step
1 Turn ignition switch to start engine.
Does engine run?
2 W-line circuit check
Measure terminal voltage of Immobilizer Con-
trol Module connector G17-7.
Is it 10 – 14 V with ignition switch at ON posi-
tion, 0 – 1 V with ignition switch at OFF posi-
tion?
3 Check for DTC referring to "Diagnostic Trouble
Code (DTC) Check" in Section 6-3.
Is there any DTC(s)?
4 Check, repair and/or perform necessary regis-
tration procedure according to flow table corre-
sponding to DTC(s).
Is there other DTC(s)?
5 Check for DTC referring to "Diagnostic Trouble
Code (DTC) Check" in this section.
Is there any DTC(s)?
6 Check and repair according to flow table corre-
sponding to DTC(s).
Is there other DTC(s)?
Diagnosis
Action Yes
Go to Step 5.
W-line circuit is in good
condition.
Go to step3.
Go to Step 4.
Repeat Step 4 until no
DTC is indicated.
Go to Step 6.
Repeat Step 6 until no
DTC is indicated.
No
Go to Step 2.
W-line circuit open or
short.
Check and repair.
Then, go to Step 3.
Go to Step 5.
Go to Step 5.
Immobilizer control sys-
tem is in good condition.
If engine does not run,
electronic fuel injection
system is failed.
Proceed to "A, Diagnostic
System Check" in Sec-
tion 6-3.
Immobilizer control sys-
tem is in good condition.
If engine does not run,
electronic fuel injection
system is failed.
Proceed to "A, Diagnostic
System Check" in Sec-
tion 6-3.