For Mexico

P1090, P1093 VVEL ACTUATOR MOTOR

DTC Logic


DTC DETECTION LOGIC

NOTE:
If DTC P1090 or P1093 is displayed with DTC P1091, first perform the trouble diagnosis for DTC P1091.
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 10 second.
2.Keep the engine speed at approximately 3,500 rpm for at least 10 seconds under no load.
3.Check DTC.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. VVEL ACTUATOR MOTOR ASSEMBLY OUTPUT SIGNAL CIRCUIT FOR OPEN AND SHORT

1.Disconnect VVEL control module harness connector.
2.Disconnect VVEL actuator motor assembly harness connector.
3.Check the continuity between VVEL control module harness connector and VVEL actuator motor assembly harness connector.





4.Also check harness for short to ground and power.
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 actuator motor assembly 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 ACTUATOR MOTOR ASSEMBLY

Refer to "Component Inspection (VVEL ACTUATOR MOTOR ASSEMBLY)" .
Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 4.

4. REPLACE VVEL ACTUATOR MOTOR ASSEMBLY

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

5. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace.

6. 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 7.

7. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON.
2.Erase DTC.
3.Perform DTC Confirmation Procedure.
See "DTC Logic" .
Is the DTC P1090 or P1093 displayed again?
YES- GO TO 8.
NO - INSPECTION END

8. CHECK VVEL ACTUATOR HOUSING ASSEMBLY

Refer to "Component Inspection (VVEL ACTUATOR MOTOR ASSEMBLY)" .
Is the inspection result normal?
YES- GO TO 10.
NO- GO TO 9.

9. REPLACE VVEL ACTUATOR HOUSING ASSEMBLY

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

10. CHECK VVEL LADDER ASSEMBLY

Refer to "Inspection" Inspection.
Is the inspection result normal?
YES- GO TO 12.
NO- GO TO 11.

11. REPLACE VVEL LADDER ASSEMBLY

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

12. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END


Component Inspection (VVEL ACTUATOR MOTOR ASSEMBLY)


1. CHECK VVEL ACTUATOR MOTOR

1.Turn ignition switch OFF.
2.Disconnect VVEL actuator motor harness connector.
3.Check resistance between VVEL actuator motor terminals as per the following.





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

2. REPLACE VVEL ACTUATOR SUB ASSEMBLY

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


Component Inspection (VVEL ACTUATOR HOUSING ASSEMBLY)


1. CHECK VVEL ACTUATOR HOUSING ASSEMBLY

1.Turn ignition switch OFF.
2.Remove VVEL actuator housing assembly. Refer to "Removal and Installation" Removal and Installation.
3.Turn the ball screw shaft to check that it works smoothly.
Is the inspection result normal?
YES- INSPECTION END
NO- GO TO 2.

2. REPLACE VVEL ACTUATOR HOUSING ASSEMBLY

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