Suzuki Liana RH413, Service Manual

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Engine General Information and Diagnosis: 1A-104
DTC Troubleshooting
Step Action Yes No
1 Was “Engine and Emission Control System Check”
performed? Go to Step 2. Go to “Engine and
Emission Control
System Check”.
2 DTC check for TCM
1) Check DTC for TCM.
Is there any DTC?
Go to applicable DTC
flow. Go to Step 3.
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?
Go to Step 7. Go to Step 4.
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?
Faulty TCM. Go to Step 5.
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?
Go to Step 6. “GRN/YEL” wire shorted
to ground or other
circuits.
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?
Go to Step 7. Faulty ECM.
Substitute a known-
good ECM and recheck.
I2RH0B110071-01