Suzuki Liana RH413 Service Manual page 155

DTC Troubleshooting
Step
1 Was "Engine and Emission Control System Check"
performed?
2 DTC check for TCM
1) Check DTC for TCM.
Is there any DTC?
3 Signal voltage check
1) Disconnect connector from ECM with ignition switch
turned OFF.
2) Check proper connection at "G03-17" terminal in ECM
connector.
3) If OK, then connect connector to ECM.
4) Turn ON ignition switch.
5) Measure voltage between "G03-17" and vehicle body.
Is voltage 8 – 12 V?
4 Signal circuit check
1) Disconnect connectors from TCM with ignition switch
turned OFF.
2) Turn ON ignition switch.
3) Measure voltage between "G03-17" terminal and vehicle
body ground.
Is voltage 10 – 14 V?
5 Signal circuit check
1) Turn OFF ignition switch.
2) Disconnect connectors from ECM.
3) Measure resistance between "G03-17" terminal and
vehicle body ground.
Is resistance infinity?
6 Signal circuit check
1) Connect connectors to ECM with ignition switch turned
OFF.
2) Turn ON ignition switch.
3) Measure voltage between "G03-17" terminal and vehicle
body ground.
Is voltage 10 – 14 V?
Action
I2RH0B110071-01
Engine General Information and Diagnosis:
Yes
Go to Step 2.
Go to applicable DTC
flow.
Go to Step 7.
Faulty TCM.
Go to Step 6.
Go to Step 7.
1A-104
No
Go to "Engine and
Emission Control
System Check".
Go to Step 3.
Go to Step 4.
Go to Step 5.
"GRN/YEL" wire shorted
to ground or other
circuits.
Faulty ECM.
Substitute a known-
good ECM and recheck.