Nissan Maxima Service and Repair Manual: Shift lock system

Description

The selector lever cannot be shifted from "P" position to any other position unless the ignition switch is in the ON position and the brake pedal is depressed.

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.

2. CHECK CVT SHIFT LOCK OPERATION

Attempt to shift selector lever to any other position with brake pedal depressed.

Diagnosis Procedure

Regarding Wiring Diagram information, refer to TM-134, "Wiring Diagram".

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 3 and ground.

2.CHECK STOP LAMP SWITCH

Check stop lamp switch. Refer to TM-118, "Component Inspection (Stop Lamp Switch)".

3.CHECK GROUND CIRCUIT (SHIFT LOCK RELAY)

  1.  Remove shift lock relay.

  2.  Check continuity between shift lock relay connector E27 terminal 1 and ground.

4.CHECK HARNESS BETWEEN SHIFT LOCK RELAY AND STOP LAMP SWITCH FOR OPEN

Check continuity between shift lock relay connector E27 (A) terminal 2 and stop lamp switch connector E38 (B) terminal 4.

5.CHECK HARNESS BETWEEN SHIFT LOCK RELAY AND STOP LAMP SWITCH FOR SHORT CIRCUIT

Check continuity between shift lock relay connector E27 terminal 2 and ground.

6.CHECK POWER SOURCE (SHIFT LOCK RELAY)

  1.  Turn ignition switch ON.

  2.  Check voltage between shift lock relay connector E27 terminal 5 and ground.

7.CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND SHIFT LOCK RELAY FOR OPEN

  1.  Turn ignition switch OFF.

  2.  Disconnect fuse block (J/B).

  3.  Check continuity between fuse block (J/B) connector E6 (A) terminal 4P and shift lock relay connector E27 (B) terminal 5.

8.CHECK HARNESS BETWEEN FUSE BLOCK (J/B) AND SHIFT LOCK RELAY FOR SHORT CIRCUIT

Check continuity between shift lock relay connector E27 terminal 5 and ground.

9.CHECK HARNESS BETWEEN SHIFT LOCK RELAY AND CVT SHIFT SELECTOR FOR OPEN

  1.  Disconnect CVT shift selector connector.

  2.  Check continuity between shift lock relay connector E27 (A) terminal

  3.  and CVT shift selector connector M78 (B) terminal 6.

10.CHECK HARNESS BETWEEN SHIFT LOCK RELAY AND CVT SHIFT SELECTOR FOR SHORT CIRCUIT

Check continuity between shift lock relay connector E27 terminal 3 and ground.

11.CHECK SHIFT LOCK RELAY

Check shift lock relay. Refer to TM-118, "Component Inspection (Shift Lock Relay)".

12.CHECK GROUND CIRCUIT (CVT SHIFT SELECTOR)

Check continuity between CVT shift selector connector M78 terminal 7 and ground.

1.CHECK STOP LAMP SWITCH

Check continuity between stop lamp switch terminals.

Component Inspection (Shift Lock Relay)

1.CHECK SHIFT LOCK RELAY

  1.  Apply battery voltage between terminals 2 and 1 of the shift lock relay.

    CAUTION: Connect a fuse between the terminals when applying battery voltage.

  2.  Check continuity between shift lock relay terminals 5 and 3.

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    Nissan Maxima Service and Repair Manual

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