Power Supply And Ground Circuit (VVEL Control Module)

POWER SUPPLY AND GROUND CIRCUIT (VVEL CONTROL MODULE)

Diagnosis Procedure


1. CHECK GROUND CONNECTION

1.Turn ignition switch OFF.
2.Check ground connection M95. Refer to Ground Inspection in Circuit Inspection.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace ground connection.

2. CHECK VVEL CONTROL MODULE GROUND CIRCUIT FOR OPEN AND SHORT

1.Disconnect VVEL control module harness connector.
2.Check the continuity between VVEL control module harness connector and ground.





3.Also check harness for short to power.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair open circuit, short to power in harness connectors.

3. CHECK VVEL CONTROL MODULE POWER SUPPLY CIRCUIT-I

1.Reconnect VVEL control module harness connector.
2.Turn ignition switch ON.
3.Check the voltage between VVEL control module harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 4.

4. CHECK VVEL CONTROL MODULE POWER SUPPLY CIRCUIT-II

1.Turn ignition switch OFF and wait at least 10 seconds.
2.Disconnect VVEL control module harness connector.
3.Disconnect IPDM E/R harness connector.
4.Check the continuity between VVEL control module harness connector and IPDM E/R harness connector.





5.Also check harness for short to ground and short to power.
Is the inspection result normal?
YES-Power Supply And Ground Circuit
NO- Repair open circuit, short to ground or short to power in harness or connectors.

5. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
Is the inspection result normal?
YES- Replace IPDM E/R. IPDM E/R.
NO- Repair open circuit, short to ground or short to power in harness or connectors.