P1608

P1608 VVEL SENSOR POWER SUPPLY

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

1.Turn ignition switch OFF and wait at least 10 seconds.
2.Turn ignition switch ON.
3.Turn ignition switch OFF and wait at least 10 seconds.
TESTING CONDITION:


Before performing the following procedure, confirm that battery voltage is 10 V or more at idle.
- GO TO 2.

2. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON and wait at least 1 second.
2.Check DTC.
Is DTC detected?
YES- Proceed to .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK VVEL CONTROL SHAFT POSITION SENSOR POWER SUPPLY CIRCUIT-I

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.





Is the inspection result normal?
YES- GO TO 6.
NO- GO TO 2.

2. CHECK VVEL CONTROL SHAFT POSITION SENSOR POWER SUPPLY CIRCUIT-II

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.





4.Also check harness for short to ground and power.
Is the inspection result normal?
YES- GO TO 4.
NO- GO TO 3.

3. DETECT MALFUNCTIONING PART

Check the following.
- Harness for open or short between VVEL control shaft position sensor and VVEL control module
- Loose or poor connection for each connector and harness
- Repair open circuit, short to ground or short to power in harness or connectors.

4. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace.

5. REPLACE VVEL CONTROL MODULE

1.Replace VVEL control module. Service and Repair.
2.Perform additional service when replacing VVEL control module. Work Procedure.
- INSPECTION END

6. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
Is the inspection result normal?
YES- GO TO 7.
NO- Repair or replace.

7. REPLACE VVEL ACTUATOR SUB ASSEMBLY

Replace VVEL actuator sub assembly. Exploded View.
- INSPECTION END