Shift Lock System

SHIFT LOCK SYSTEM

Component Function Check


1. CHECK CVT SHIFT LOCK OPERATION

1.Turn ignition switch ON.
2.Move selector lever to "P" position.
3.Attempt to shift selector lever to any other position with brake pedal released.
Can selector lever be shifted to any other position?
YES- Go to "Diagnosis Procedure" .
NO- GO TO 2.

2. CHECK CVT SHIFT LOCK OPERATION

Attempt to shift selector lever to any other position with brake pedal depressed.
Can the selector lever be shifted to any other position?
YES- Inspection End
NO- Go to "Diagnosis Procedure" .


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" Electrical Diagrams.

1. CHECK POWER SOURCE (STOP LAMP SWITCH)

1.Turn ignition switch OFF.
2.Disconnect stop lamp switch connector.
3.Check voltage between stop lamp switch connector E38 terminal 1 and ground.





Is the inspection result normal?
YES- GO TO 2.
NO-Check the following:
- Harness for short or open between fuse block (J/B) and stop lamp switch
- 10A fuse (No. 10, located in fuse block [J/B])

2. CHECK STOP LAMP SWITCH

Check stop lamp switch. Refer to "Component Inspection (Stop Lamp Switch)" .
Is the inspection result normal?
YES- GO TO 3.
NO- Replace stop lamp switch. Refer to "Exploded View" Exploded View.

3. CHECK GROUND CIRCUIT (BCM)

1.Check continuity between BCM connector M81 terminals 134,143 and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace damaged parts.
Revision: March 20122013 Infiniti JX

4. CHECK HARNESS BETWEEN BCM AND STOP LAMP SWITCH FOR OPEN

Check continuity between BCM connector M18 terminal 27 and stop lamp switch connector E38 terminal 2.





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

5. CHECK HARNESS BETWEEN BCM AND STOP LAMP SWITCH FOR SHORT CIRCUIT

Check continuity between BCM connector M18 terminal 27 and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace damaged parts.

6. CHECK HARNESS BETWEEN BCM AND CVT SHIFT SELECTOR FOR OPEN

1.Disconnect CVT shift selector connector.
2.Check continuity between BCM connector M80 terminal 108 and CVT shift selector connector M78 terminal 3.





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

7. CHECK HARNESS BETWEEN BCM AND CVT SHIFT SELECTOR FOR SHORT CIRCUIT

Check continuity between BCM connector M80 terminal 108 and ground.





Is the inspection result normal?
YES- GO TO 8.
NO- Repair or replace damaged parts.

8. CHECK GROUND CIRCUIT (CVT SHIFT SELECTOR)

Check continuity between CVT shift selector connector M78 terminal 4 and ground.





Is the inspection result normal?
YES- Replace shift lock solenoid. Refer to "Exploded View" Exploded View.
NO- Repair or replace damaged parts.
Revision: March 20122013 Infiniti JX


Component Inspection (Stop Lamp Switch)


1. CHECK STOP LAMP SWITCH






Check continuity between stop lamp switch terminals.





Is the inspection result normal?
YES- Inspection End
NO- Replace stop lamp switch. Refer to "Exploded View" Exploded View.
Revision: March 20122013 Infiniti JX