For Mexico

P1089, P1092 VVEL CONTROL SHAFT POSITION SENSOR

DTC Logic


DTC DETECTION LOGIC

NOTE:
If DTC P1089 or P1092 is displayed with DTC P1608, first perform the trouble diagnosis for DTC P1608.
Refer to "DTC Logic" For Mexico.






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.Start engine and let it idle for 1 second.
2.Check DTC.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. VVEL CONTROL SHAFT POSITION SENSOR POWER SUPPLY CIRCUIT

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 3.
NO- GO TO 2.

2. 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.

3. CHECK VVEL CONTROL SHAFT POSITION SENSOR GROUND CIRCUIT FOR OPEN AND SHORT

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 5.
NO- GO TO 4.

4. 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.

5. VVEL CONTROL SHAFT POSITION SENSOR INPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1.Check the continuity between VVEL control shaft position sensor harness connector and VVEL control module harness connector.





2.Also check harness for short to ground and power.
Is the inspection result normal?
YES- GO TO 7.
NO- GO TO 6.

6. 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.

7. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
Is the inspection result normal?
YES- GO TO 8.
NO- Repair or replace.

8. REPLACE VVEL CONTROL MODULE

1.Replace VVEL control module.
2.Perform additional service when replacing VVEL control module. Refer to "Work Procedure" For Mexico.
- GO TO 9.

9. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON.
2.Erase DTC.
3.Perform DTC Confirmation Procedure.
See "DTC Logic" .
Is the DTC P1089 or P1092 displayed again?
YES- GO TO 10.
NO- INSPECTION END

10. REPLACE VVEL ACTUATOR LADDER ASSEMBLY

Replace VVEL actuator ladder assembly. Refer to "Removal and Installation" Removal and Installation.
- INSPECTION END