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 shaft position sensor harness connector.
2. Turn ignition switch ON.
3. Check the voltage between VVEL control shaft position sensor harness connector and ground.
   VOLTAGE REFERENCE
   
   

   VVEL control shaft position sensor			Ground	Voltage (V)
   Bank	Connector	Terminal
   1	F46	3	Ground	Approx. 5
   		6
   2	F47	3
   		6

   Is the inspection result normal? 

   YES: GO TO  7.

   NO: GO TO 3.

1. Turn ignition switch OFF.
2. Disconnect VVEL control module harness connector.
3. Check the continuity between VVEL control shaft position sensor harness connector and VVEL control module harness connector.
   CONTINUITY REFERENCE
   
   

   VVEL control shaft position sensor			VVEL control module		Continuity
   Bank	Connector	Terminal	Connector	Terminal
   1	F46	3	E15	9	Existed
   		6		22
   2	F47	3		7
   		6		20

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

   Is the inspection result normal? 

   YES: GO TO  5.

   NO: GO TO 4.

Check the following.

• Harness connectors E20, F40
• Harness for open or short between VVEL control shaft position sensor and VVEL control module

  Repair open circuit, short to ground or short to power in harness or connectors.

Refer to "INTERMITTENT INCIDENT ".

Is the inspection result normal? 

YES: GO TO 6.

NO: Repair or replace.

1. Replace VVEL control module.
2. Go to "WORK PROCEDURE ".

   INSPECTION END

Refer to "INTERMITTENT INCIDENT ".

Is the inspection result normal? 

YES: GO TO 8.

NO: Repair or replace.

1. Replace VVEL actuator sub assembly.
2. Go to "SPECIAL REPAIR REQUIREMENT ".

   INSPECTION END