Power and Ground Distribution: Testing and Inspection

POWER SUPPLY AND GROUND CIRCUIT

Diagnosis Procedure

Regarding Wiring Diagram information, [1][2]Electrical Diagrams.

1. CHECK FUSIBLE LINKS

Check that the following IPDM E/R fusible links are not blown.





Is the fusible link blown?
YES- Replace the blown fusible link after repairing the affected circuit.
NO- GO TO 2

2. CHECK BATTERY POWER SUPPLY CIRCUIT






1.Turn ignition switch OFF.
2.Disconnect IPDM E/R.
3.Check voltage between IPDM E/R harness connectors and ground.





Is there voltage on all pins?
YES- GO TO 3
NO- Repair or replace harness.

3. CHECK GROUND CIRCUIT

1.Turn ignition switch OFF.





2.Check continuity between IPDM E/R harness connectors and ground.





Does continuity exist?
YES- Inspection End.
NO- Repair or replace harness.