Diagnostic Procedure

SYMPTOM 1: 

• Selector lever cannot be moved from P position with key in ON position and brake pedal applied. 
• Selector lever can be moved from P position with key in ON position and brake pedal released. 
• Selector lever can be moved from P position when key is removed from key cylinder. 

SYMPTOM 2: 

Ignition key cannot be removed when selector lever is set to P position. It can be removed when selector lever is set to any position except P. 

1. Check key interlock cable  .

   Check key interlock cable for damage.

   OK or NG 

   1. OK: GO TO  2.
   2. NG: Repair key interlock cable. Refer to KEY INTERLOCK CABLE .

2. Check selector lever position  .

   Check selector lever position for damage.

   OK or NG 

   1. OK: GO TO  3.
   2. NG: Check selector lever. Refer to ON-VEHICLE SERVICE - PNP Switch and Manual Control Linkage Adjustment, PARK/NEUTRAL POSITION SWITCH ADJUSTMENT  and MANUAL CONTROL LINKAGE ADJUSTMENT .

3. Check power source  .
   1. Turn ignition switch to ON position. (Do not start engine.)
   2. Check voltage between A/T device harness connector B59 terminal 5 and ground.
      Fig 1: Checking Voltage Between A/T Device Harness Connector & Ground

      Courtesy of NISSAN MOTOR CO., U.S.A.

   OK or NG 

   1. OK: GO TO  5.
   2. NG: GO TO  4.

4. Detect malfunctioning item  .

   Check the following items:

   1. Harness for short or open between ignition switch and A/T device harness connector B59 terminal 5
   2. 7.5A fuse [No. 11, located in the fuse block (J/B)]
   3. Ignition switch (Refer to SCHEMATIC .)

   OK or NG 

   1. OK: GO TO  5.
   2. NG: Repair or replace damaged parts.

5. Check input signal A/T device  .

   Turn ignition switch to OFF position.

   • Check voltage between A/T device harness connector B59 terminal 7 and ground.
     Fig 2: Checking Voltage Between A/T Device Harness Connector & Ground

     Courtesy of NISSAN MOTOR CO., U.S.A.

   OK or NG 

   1. OK: GO TO  7.
   2. NG: GO TO  6.

6. DETECT MALFUNCTIONING ITEM 

   Check the following items:

   1. Harness for short or open between battery and stop lamp switch harness connector M31 terminal 1
   2. Harness for short or open between stop lamp switch harness connector M31 terminal 2 and A/T device harness connector B59 terminal 7
   3. Diode
   4. 10A fuse [No. 14, located in the fuse block (J/B)]
   5. Stop lamp switch
      1. Check continuity between terminals 1 and 2.
         Fig 3: Checking Continuity Between Terminals 1 And 2

         Courtesy of NISSAN MOTOR CO., U.S.A.

   Check stop lamp switch after adjusting brake pedal - refer to  ADJUSTMENTS  .

   OK or NG 

   1. OK: GO TO  7.
   2. NG: Repair or replace damaged parts.

7. Check ground circuit  .
   1. Turn ignition switch to OFF position.
   2. Disconnect A/T device harness connector.
   3. Check continuity between A/T device harness connector B59 terminal 6 and ground. Refer to wiring diagram - SHIFT -.

      Continuity should exist. 

      If OK, check harness for short to ground and short to power.

   OK or NG 

   1. OK: GO TO  8.
   2. NG: Repair open circuit or short to ground or short to power in harness or connectors.

8. Check relay circuit  .
   1. Turn ignition switch to ON and OFF position.
      • Check continuity between terminals 1, 2, 3 and 5.
        Fig 4: Checking Continuity Between Terminals 1, 2, 3 And 5

        Courtesy of NISSAN MOTOR CO., U.S.A.

   Yes or No 

   1. Yes: GO TO  9.
   2. No: Replace relay.

9. Check park position switch  .
   • Check continuity between A/T device harness connector B59 terminal 6 and relay (park position switch) harness connector M507 terminal 1.
     Fig 5: Checking Continuity Between A/T Device Harness Connector & Relay Harness Connector

     Courtesy of NISSAN MOTOR CO., U.S.A.

   OK or NG 

   1. OK: GO TO  10.
   2. NG: Replace park position switch.

10. Check shift lock solenoid  .
    • Check operation by applying battery voltage shift lock solenoid harness connector M509 terminals 1 and 3.
      Fig 6: Checking Operation By Applying Battery Voltage Shift Lock Solenoid Harness Connector Terminals

      Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO  11.
    2. NG: Replace shift lock solenoid.

11. Check shift lock operation  .
    1. Reconnect shift lock harness connector.
    2. Turn ignition switch from OFF to ON position. (Do not start engine.)
    3. Recheck shift lock operation.

    OK or NG 

    1. OK: INSPECTION END 
    2. NG: GO TO  12.

12. Check A/T device inspection  .
    1. Perform A/T device input/output signal inspection test.
    2. If NG, recheck harness connector connection.

    OK or NG 

    1. OK: INSPECTION END 
    2. NG: Repair or replace damaged parts.