DTC Diagnosis Procedure
- CHECK FUSE
- Turn ignition switch OFF.
- Pull out 15A fuse (No. 63) from IPDM E/R.
- Check that 15A fuse is not blowing.
Is the fuse blown (open)?
YES
Replace the fuse after repairing the applicable circuit.
NO
GO TO 2.
- CHECK THROTTLE CONTROL MOTOR RELAY POWER SUPPLY CIRCUIT
- Turn ignition switch OFF.
- Disconnect ECM harness connector.
- Disconnect IPDM E/R harness connector.
- Check the continuity between IPDM E/R harness connector and ECM harness connector.
IPDM E/R
ECM
Continuity
Connector
Terminal
Connector
Terminal
E124
65
F142
123
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
GO TO 3.
NO
Repair or replace error-detected parts.
- CHECK THROTTLE CONTROL MOTOR RELAY INPUT SIGNAL CIRCUIT
- Check the continuity between IPDM E/R sensor harness connector and ECM harness connector.
IPDM E/R
ECM
Continuity
Connector
Terminal
Connector
Terminal
E123
57
F142
96
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
Perform the trouble diagnosis for power supply circuit.
NO
Repair or replace error-detected parts.
- Check the continuity between IPDM E/R sensor harness connector and ECM harness connector.