Symptom Related Diagnostic Procedures

2011 Infiniti M56 V8-5.6L (VK56VD)SECTION Symptom Related Diagnostic Procedures

BOTH SIDE FRONT FOG LAMPS ARE NOT TURNED ON





Description
The front fog lamps are not turned ON in any condition.




Diagnosis Procedure
1.CHECK FUSE
Check that the following fuse is not fusing.





Is the inspection result normal?
YES - GO TO 2.
NO - Repair the applicable circuit. And then replace the fuse.
2.COMBINATION SWITCH INSPECTION
Check combination switch. Symptom Related Diagnostic Procedures.
Is the inspection result normal?
YES - GO TO 3.
NO - Repair or replace the malfunctioning part.
3.CHECK FRONT FOG LAMP REQUEST SIGNAL INPUT
CONSULT-III DATA MONITOR
1. Select "FR FOG REQ" of IPDM E/R data monitor item.
2. With operating the front fog lamp switch, check the monitor status.





Is the item status normal?
YES - GO TO 4.
NO - Replace BCM. Service and Repair.
4.FRONT FOG LAMP CIRCUIT INSPECTION
Check the front fog lamp circuit. Front Fog Lamp Circuit.
Is the inspection result normal?
YES - Replace IPDM E/R.
NO - Repair or replace the malfunctioning part.
RENDER: 1.0x

NO RELATED

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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.