Diagnosis Procedure

WARNING: This page is about a different car, the 2012 Nissan Pathfinder. However, it is still accessible from the selected car via links, so may be relevant.

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM ".

CHECK KEY INTERLOCK CABLE
Check key interlock cable for damage.

Is the inspection result normal?

YES: GO TO 2.

NO: Repair key interlock cable. Refer to "COMPONENT ".
CHECK SELECTOR LEVER
Check selector lever for damage. Refer to "INSPECTION AND ADJUSTMENT ".

Is the inspection result normal?

YES: GO TO 3.

NO: Repair selector lever. Refer to "EXPLODED VIEW ".
CHECK INPUT SIGNAL
1. Turn ignition switch ON.
2. Check voltage between A/T shift selector connector terminal 1 and ground.
  - M156 (without manual mode switch)
  - M157 (with manual mode switch without Intelligent Key system)
  - M158 (with manual mode switch and Intelligent Key system)
    Brake pedal depressed: Battery voltage
    
    Brake pedal released: 0V
    
    Fig 1: Checking Voltage Between A/T Shift Selector Connector Terminal 1 And Ground
    Courtesy of NISSAN NORTH AMERICA, INC.
  Is the inspection result normal?
  
  YES: GO TO 5.
  
  NO: GO TO 4.
CHECK STOP LAMP SWITCH
1. Turn ignition switch OFF.
2. Disconnect stop lamp switch connector.
3. Check continuity between stop lamp switch terminals 3 and 4.
  Brake pedal depressed: Continuity should exist .
  
  Brake pedal released: Continuity should not exist .
  
  Is the inspection result normal?
  
  YES: GO TO 5.
  
  NO: Repair or replace damaged parts.
  
  Fig 2: Checking Continuity Between Stop Lamp Switch Terminals 3 And 4
  Courtesy of NISSAN NORTH AMERICA, INC.
CHECK GROUND CIRCUIT
1. Disconnect A/T shift selector connector.
2. Check continuity between A/T shift selector connector terminal 2 and ground.
  - M156 (without manual mode switch)
  - M157 (with manual mode switch without Intelligent Key system)
  - M158 (with manual mode switch and Intelligent Key system)
    Continuity should exist .
    
    Fig 3: Checking Continuity Between A/T Shift Selector Connector Terminal 2 And Ground
    Courtesy of NISSAN NORTH AMERICA, INC.
  Is the inspection result normal?
  
  YES: GO TO 6.
  
  NO: Repair harness or connectors.
CHECK PARK POSITION SWITCH (SHIFT SELECTOR) AND SHIFT LOCK SOLENOID
Check continuity between A/T shift selector terminals 1 and 2.

Selector lever in "P" position: Continuity should exist .

Except above: Continuity should not exist .

Fig 4: Checking Continuity Between A/T Shift Selector Terminals 1 And 2
Courtesy of NISSAN NORTH AMERICA, INC.

Is the inspection result normal?

YES: Inspection End.

NO: Replace A/T shift selector. Refer to "EXPLODED VIEW ".