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Power Supply and Ground Circuit





POWER SUPPLY AND GROUND CIRCUIT


Diagnosis Procedure

1.CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible links are not blown.





Is the fuse fusing?
YES - Replace the blown fuse or fusible link after repairing the affected circuit if a fuse or fusible link is blown.
NO - GO TO 2.
2.CHECK POWER SUPPLY CIRCUIT
1. Turn the ignition switch OFF.
2. Disconnect IPDM E/R connector.
3. Check voltage between IPDM E/R harness connector and ground.





Is the measurement value normal?
YES - GO TO 3.
NO - Repair harness or connector.
3.CHECK GROUND CIRCUIT
Check continuity between IPDM E/R harness connectors and ground.





Does continuity exist?
YES - INSPECTION END
NO - Repair harness or connector.