2003 Nissan-Datsun Sentra SE-R, AutomaticFACTORY OEM SERVICE PROCEDURE

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 "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 

    Turn ignition switch to "OFF" position. (Do not start engine.)

    • Check voltage between A/T device harness connector M44 terminal 7 (G) and ground.

      Voltage: 

      Brake pedal depressed: Battery voltage 

      Brake pedal released: 0V 

    OK or NG 

    1. OK: GO TO  5.
    2. NG: GO TO 4.
    Fig 1: Checking Power Source
    G01320387Courtesy of NISSAN MOTOR CO., U.S.A.
  4. DETECT MALFUNCTIONING ITEM 

    Check the following items.

    1. Harness for open or short between fuse block (J/B) connector M1 terminal 12K and stop lamp switch harness connector M26 terminal 3.
    2. Harness for open or short stop lamp switch harness connector M26 terminal 4 and A/T device harness connector M44 terminal 7 (G).
    3. 10A fuse [10, located in the fuse block (J/B)].
    4. Check continuity between stop lamp switch harness connector M26 terminals 3 (G) and 4 (G).
      Fig 2: Condition Continuity Specifications
      G01320388Courtesy of NISSAN MOTOR CO., U.S.A.
Factory Service Tools

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • • You smell fuel, burning insulation, or see smoke.
  • • Brakes feel soft, pull hard to one side, or make grinding noises.
  • • The engine overheats, stalls repeatedly, or misfires under load.
  • • You are missing required tools, torque specs, or safe lifting equipment.
  • • You are not confident in the next step or safety outcome.