LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2002 >> Sentra SE-R, Standard >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 12 (Automatic Transaxle Re4F04B) >> A/T Shift Lock System >> Diagnostic Procedure >> Symptom 2:
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Symptom 2:

WARNING: This page is about a different variant/trim than selected.

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 COMPONENTS .
  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 CONTROL CABLE ADJUSTMENT .
  3. CHECK POWER SOURCE 
    1. Turn ignition switch to ON position.

      (Do not start engine.)

    2. Check voltage between stop lamp switch harness terminal + and ground.
      Fig 1: Checking Power Source
      G02016908Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 4.
    2. NG: Check the following items:
      1. Harness for short or open between battery and stop lamp switch harness terminal +
      2. 10A fuse No. 2 [located in the fuse block (J/B)]
      3. Ignition switch Refer to POWER DISTRIBUTION .
  4. CHECK INPUT SIGNAL (A/T DEVICE) 

    Turn ignition switch to ON position.

    (Do not start engine.)

    • Check voltage between A/T device harness terminal 7 and ground.
    Fig 2: Checking Input Signal (A/T Device)
    G02016909Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 5.
    2. NG: Check the following items:
      1. Harness for short and open between battery and stop lamp switch harness connector terminal +.
      2. Harness for short or open between stop lamp switch harness connector terminal - and A/T device harness connector terminal 7.
      3. Fuse
      4. Stop lamp switch Refer to STOP LAMP SWITCH .
  5. 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 terminal 6 and ground.
      Fig 3: Checking Ground Circuit
      G02016910Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 6.
    2. NG: Repair open circuit or short to ground or short to power in harness or connectors.
  6. CHECK RELAY CIRCUIT 
    1. Turn ignition switch to ON.
    • Check voltage between terminals 7 - 6 and 5 - 6.
    Fig 4: Checking Relay Circuit
    G02016911Courtesy of NISSAN MOTOR CO., U.S.A.

    OK or NG 

    1. OK: GO TO 7.
    2. NG: Replace A/T device.
  7. CHECK PARK POSITION SWITCH 

    Refer to Figure.

    OK or NG 

    1. OK: GO TO 8.
    2. NG: Replace A/T device.
  8. CHECK SHIFT LOCK SOLENOID 

    Refer to 1. SHIFT LOCK SOLENOID .

    OK or NG 

    1. OK: GO TO 9.
    2. NG: Replace A/T device.
  9. 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:
      1. Perform A/T device input/output signal inspection test.
      2. If NG, recheck harness connector connection.