Diagnosis Procedure

WARNING: This page is about a different car, the 2013 Nissan Armada. However, it is still accessible from the selected car via links, so may be relevant.

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

CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key warning buzzer (engine room) connector.
3. Check voltage between Intelligent Key warning buzzer (engine room) harness connector E25 terminal 1 and ground.
  1 - Ground: Battery voltage
  
  Fig 1: Checking Intelligent Key Warning Buzzer (Engine Room) Power Supply Circuit Voltage
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  Is the inspection normal?
  
  YES: GO TO 2
  
  NO: Repair or replace Intelligent Key warning buzzer (engine room) power supply circuit.
CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit harness connector (A) M70 terminal 4 and Intelligent Key warning buzzer (engine room) harness connector E25 terminal 3.
  4 - 3: Continuity should exist.
3. Check continuity between Intelligent Key warning buzzer (engine room) harness connector E25 terminal 3 and ground.
  3 - Ground: Continuity should not exist.
  
  Fig 2: Checking Intelligent Key Warning Buzzer (Engine Room) Circuit
  Courtesy of NISSAN NORTH AMERICA, INC.
  
  Is the inspection normal?
  
  YES: GO TO 3
  
  NO: Repair or replace harness between Intelligent Key warning buzzer (engine room) and Intelligent Key unit.
CHECK INTELLIGENT KEY WARNING BUZZER (ENGINE ROOM) OPERATION
Check "COMPONENT INSPECTION ".

Is the inspection normal?

YES: Check intermittent incident. Refer to "INTERMITTENT INCIDENT ".

NO: Replace Intelligent Key warning buzzer.