Diagnosis Procedure
- CHECK GROUND CONNECTION
- Turn ignition switch OFF.
- Check ground connection M95. Refer to Ground Inspection in Inspection .
Is the inspection result normal?
YES
GO TO 2.
NO
Repair or replace ground connection.
- CHECK VVEL CONTROL MODULE GROUND CIRCUIT FOR OPEN AND SHORT
- Disconnect VVEL control module harness connector.
- Check the continuity between VVEL control module harness connector and ground.
VVEL control module
Ground
Continuity
Connector
Terminal
E15
14
Ground
Existed
- 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.
- CHECK VVEL CONTROL MODULE POWER SUPPLY CIRCUIT-I
- Reconnect VVEL control module harness connector.
- Turn ignition switch ON.
- Check the voltage between VVEL control module harness connector and ground.
VVEL control module
Voltage
Connector
+
-
Terminal
Terminal
E15
8
14
After turning ignition switch OFF, battery voltage will exist for a few seconds, then drop to approximately 0 V.
Is the inspection result normal?
YES
GO TO 5.
NO
GO TO 4.
- CHECK VVEL CONTROL MODULE POWER SUPPLY CIRCUIT-II
- Turn ignition switch OFF and wait at least 10 seconds.
- Disconnect VVEL control module harness connector.
- Disconnect IPDM E/R harness connector.
- Check the continuity between VVEL control module harness connector and IPDM E/R harness connector.
VVEL control module
IPDM E/R
Continuity
Connector
Terminal
Connector
Terminal
E15
8
E7
49
Existed
- Also check harness for short to ground and short to power.
Is the inspection result normal?
YES
Refer to Diagnosis Procedure .
NO
Repair open circuit, short to ground or short to power in harness or connectors.
- CHECK INTERMITTENT INCIDENT
Refer to Inspection .
Is the inspection result normal?
YES
Replace IPDM E/R.
NO
Repair open circuit, short to ground or short to power in harness or connectors.