Check Intelligent Key Warning Buzzer (Front of Vehicle)

WARNING: This page is about a different car, the 2008 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.

CHECK INTELLIGENT KEY WARNING BUZZER (FRONT OF VEHICLE) POWER SUPPLY CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key warning buzzer (front of vehicle) connector.
3. Check voltage between Intelligent Key warning buzzer (front of vehicle) harness connector E127 terminal 1 and ground.
  1 - Ground: Battery voltage
Fig 1: Checking Intelligent Key Warning Buzzer (Front Of Vehicle) Power Supply Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 2.

NG: Repair or replace Intelligent Key warning buzzer (front of vehicle) power supply circuit.
CHECK INTELLIGENT KEY WARNING BUZZER (FRONT OF VEHICLE) CIRCUIT
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit harness connector (A) M52 terminal 4 and Intelligent Key warning buzzer (front of vehicle) harness connector E127 terminal 3.
  4 - 3: Continuity should exist.
3. Check continuity between Intelligent Key warning buzzer (front of vehicle) harness connector E127 terminal 3 and ground.
  3 - Ground: Continuity should not exist.
Fig 2: Checking Intelligent Key Warning Buzzer (Front Of Vehicle) Circuit
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: GO TO 3.

NG: Repair or replace harness between Intelligent Key warning buzzer (front of vehicle) and Intelligent Key unit.
CHECK INTELLIGENT KEY WARNING BUZZER (FRONT OF VEHICLE) OPERATION
Connect battery power supply to Intelligent Key warning buzzer (front of vehicle) harness connector E127 terminals 1 and 3, and check the operation.

1 (BAT+) - 3 (BAT-): The buzzer sounds

Fig 3: Checking Intelligent Key Warning Buzzer (Front Of Vehicle) Operation
Courtesy of NISSAN MOTOR CO., U.S.A.

OK or NG

OK: Intelligent Key warning buzzer (front of vehicle) is OK.

NG: Replace Intelligent Key warning buzzer (front of vehicle).