Diagnosis Procedure

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

1. CHECK REMOTE KEYLESS ENTRY RECEIVER OUTPUT SIGNAL
   1. Turn ignition switch OFF.
   2. Check remote keyless entry receiver signal with an oscilloscope.
   Fig 1: Checking Remote Keyless Entry Receiver Signal Using Oscilloscope

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   Terminals			Keyfob condition	Signal (Reference value)
   (+)		(-)
   Remote keyless entry receiver connector	Terminal
   M67	2	Ground	No function
   			Any button is pressed

   Is the inspection result normal? 

   YES: GO TO 2

   NO: GO TO  5

2. REMOTE KEYLESS ENTRY RECEIVER VOLTAGE CIRCUIT INSPECTION

   Check voltage between remote keyless entry receiver connector M67 terminal 3 and ground using an oscilloscope.

   Terminals			Signal (Reference value)
   (+)		(-)
   Remote keyless entry receiver connector	Terminal
   M67	3	Ground

   Fig 2: Checking Voltage Between Remote Keyless Entry Receiver Connector M67 Terminal 3 And Ground Using Oscilloscope

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   Is the inspection result normal? 

   YES: GO TO 3

   NO: GO TO  5

3. REMOTE KEYLESS ENTRY RECEIVER 5-VOLT CIRCUIT INSPECTION

   Check voltage between remote keyless entry receiver connector M67 terminal 4 and ground.

   4 - Ground: Approx. 5 volt  .

   Is the inspection result normal? 

   YES: GO TO 4

   NO: GO TO  5

   Fig 3: Checking Voltage Between Remote Keyless Entry Receiver Connector M67 Terminal 4 And Ground

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4. REMOTE KEYLESS ENTRY RECEIVER GROUND CIRCUIT INSPECTION

   Check continuity between remote keyless entry receiver connector M67 terminal 1 and ground.

   1 - Ground: Continuity should exist  .

   Is the inspection result normal? 

   YES: Replace remote keyless entry receiver. Refer to "REMOVAL AND INSTALLATION ".

   NO: GO TO 5

   Fig 4: Checking Continuity Between Remote Keyless Entry Receiver Connector M67 Terminal 1 And Ground

   Courtesy of NISSAN NORTH AMERICA, INC.
5. HARNESS INSPECTION BETWEEN INTELLIGENT KEY UNIT AND RKE RECEIVER
   1. Disconnect remote keyless entry receiver and Intelligent Key unit connectors.
   2. Check continuity between Intelligent Key unit connector (A) M164 terminals 8, 9, 21, 30 and remote keyless entry receiver connector (B) M67 terminals 1, 2, 3, 4.

      1 - 8: Continuity should exist  .

      2 - 9: Continuity should exist  .

      3 - 21: Continuity should exist  .

      4 - 30: Continuity should exist  .

   3. Check continuity between remote keyless entry receiver connector (B) M67 terminals 1, 2, 3, 4 and ground.

      1 - Ground: Continuity should not exist  .

      2 - Ground: Continuity should not exist  .

      3 - Ground: Continuity should not exist  .

      4 - Ground: Continuity should not exist  .

   Fig 5: Checking Continuity Between Intelligent Key Unit Connector M164 Terminals And Remote Keyless Entry Receiver Connectors M67 Terminals

   Courtesy of NISSAN NORTH AMERICA, INC.

   Is the inspection result normal? 

   YES: Remote keyless entry receiver circuits are OK.

   NO: Repair or replace the harness between the remote keyless entry receiver and Intelligent Key unit.