Trouble Diagnoses Symptom Chart

2006 Infiniti FX35 AWDSECTION Trouble Diagnoses Symptom Chart

Make sure other systems using the signal of the following systems operate normally.

SYMPTOM REFERENCE CHART

Symptom Diagnoses / Service procedure
Rear window defogger and door mirror defogger do not operate. 1. CHECK BCM POWER SUPPLY AND GROUND CIRCUIT 
2. Check IPDM E/R AUTO ACTIVE TEST
3. CHECK REAR WINDOW DEFOGGER SWITCH CIRCUIT 
4. CHECK REAR WINDOW DEFOGGER POWER SUPPLY CIRCUIT 
5. Replace IPDM E/ R. See REMOVAL AND INSTALLATION OF IPDM E/R
Rear window defogger does not operate but both of door mirror defogger operate. 1. CHECK REAR WINDOW DEFOGGER CIRCUIT 
2. CHECK FILAMENT 
Door mirror defogger does not operated but both of rear window defogger operate. 1. CHECK DOOR MIRROR DEFOGGER POWER SUPPLY CIRCUIT 
Driver side door mirror defogger does not operate. 1. CHECK DRIVER SIDE DOOR MIRROR DEFOGGER CIRCUIT 
Passenger side door mirror defogger does not operate. 1. CHECK PASSENGER SIDE DOOR MIRROR DEFOGGER CIRCUIT 
Rear window defogger switch does not light, and rear window defogger is not displayed on the display.
But rear window defogger operates.
1. CHECK REAR WINDOW DEFOGGER SIGNAL 
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:

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