Diagnosis Procedure

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.

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

   VVEL control module		Ground	Continuity
   Connector	Terminal
   E15	14	Ground	Existed

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.

1. Reconnect VVEL control module harness connector.
2. Turn ignition switch ON.
3. 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.

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.

   VVEL control module		IPDM E/R		Continuity
   Connector	Terminal	Connector	Terminal
   E15	8	E7	49	Existed

5. Also check harness for short to ground and short to power.

   Is the inspection result normal? 

   YES: "DIAGNOSIS PROCEDURE "

   NO: Repair open circuit, short to ground or short to power in harness or connectors.

Refer to "INTERMITTENT INCIDENT ".

Is the inspection result normal? 

YES: Replace IPDM E/R. Refer to "EXPLODED VIEW ".

NO: Repair open circuit, short to ground or short to power in harness or connectors.