Intelligent Key Unit

Regarding Wiring Diagram information, refer to WIRING DIAGRAM .

1. CHECK POWER SUPPLY CIRCUIT
   
   
   1. Turn ignition switch OFF.
   2. Disconnect Intelligent Key unit connector.
   3. Check voltage between Intelligent Key unit harness connector M70 terminals 6, 11 and ground.
      Fig 1: Checking Voltage Between Intelligent Key Unit Harness Connector M70 Terminals 6, 11 And Ground

      Courtesy of NISSAN NORTH AMERICA, INC.

      Connector	Terminals		Ignition Switch Position
      M70	(+)	(-)	OFF	ON
      	6	Ground	0V	Battery voltage
      	11		Battery voltage	Battery voltage

   Is the inspection result normal?

   YES 

   GO TO STEP 2 

   NO 

   Repair or replace Intelligent Key power supply circuit.

2. CHECK GROUND CIRCUIT
   
   

   Check continuity between Intelligent Key unit harness connector M70 terminal 12 and ground.

   Fig 2: Checking Continuity Between Intelligent Key Unit Harness Connector M70 Terminal 12 And Ground

   Courtesy of NISSAN NORTH AMERICA, INC.

   12 - Ground

   Continuity should exist.

   Is the inspection result normal?

   YES 

   Power supply and ground circuits are OK.

   NO 

   Repair or replace the Intelligent Key unit ground circuit.