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Symptom Chart

WARNING: This page is about a different car, the 2008 Infiniti FX45 and 2008 Infiniti FX35. However, it is still accessible from the selected car via links, so may be relevant.
SYMPTOM CHART

Symptom Diagnoses/Service procedure
All warning chimes do not activate. Perform the following inspections.
  1. "COMBINATION METER BUZZER CIRCUIT INSPECTION ".
  2. "POWER SUPPLY AND GROUND CIRCUIT INSPECTION ".

Replace BCM, found normal function in the above inspections.
Ignition key warning chime does not activate. Without Intelligent Key. Perform the following inspections.
  1. "FRONT DOOR SWITCH (DRIVER SIDE) SIGNAL INSPECTION ".
  2. "KEY SWITCH SIGNAL INSPECTION (WITHOUT INTELLIGENT KEY) ".

Replace BCM, found normal function in the above inspections.
With Intelligent Key, when mechanical key is used. Perform the following inspections.
  1. "FRONT DOOR SWITCH (DRIVER SIDE) SIGNAL INSPECTION ".
  2. "KEY SWITCH AND IGNITION KNOB SWITCH SIGNAL INSPECTION (WITH INTELLIGENT KEY, WHEN MECHANICAL KEY IS USED) ".

Replace BCM, found normal function in the above inspections.
With Intelligent Key, when Intelligent Key is carried with the driver. Refer to "WARNING CHIME FUNCTION MALFUNCTION ".
Light warning chime does not activate. Perform the following inspections.
  1. "FRONT DOOR SWITCH (DRIVER SIDE) SIGNAL INSPECTION ".
  2. "COMBINATION SWITCH INSPECTION ".

Replace BCM, found normal function in the above inspections.
Seat belt warning chime does not activate. Perform "SEAT BELT BUCKLE SWITCH (DRIVER SIDE) SIGNAL INSPECTION ".
Replace BCM, found normal function in the above inspection.