Driver Side Door Mirror Defogger

2013 Infiniti G37 Convertible V6-3.7L (VQ37VHR)SECTION Driver Side Door Mirror Defogger



DRIVER SIDE DOOR MIRROR DEFOGGER

Description

Heats the heating wire with the power supply from the rear window defogger relay to prevent the door mirror from fogging up.


Component Function Check


1. CHECK DRIVER SIDE DOOR MIRROR DEFOGGER

1.Perform Active Test ("REAR DEFOGGER") with CONSULT.
2.Touch "ON".
3.Check that the driver side door mirror glass is getting warmer.
Is the inspection result normal?
YES- Driver side door mirror defogger is OK.
NO- Refer to "Diagnosis Procedure" .


Diagnosis Procedure


1. CHECK POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect door mirror (driver side) connector.
3.Turn ignition switch ON.
4.Check voltage between door mirror (driver side) harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- GO TO 2.

2. CHECK FUSE BLOCK (J/B) OUTPUT SIGNAL

1.Turn ignition switch OFF.
2.Disconnect fuse block (J/B) connector.
3.Turn ignition switch ON.
4.Check voltage between fuse block (J/B) harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Replace fuse block (J/B).

3. CHECK DRIVER SIDE DOOR MIRROR DEFOGGER CIRCUIT

1.Turn ignition switch OFF.
2.Check continuity between fuse block (J/B) harness connector and door mirror (driver side) harness connector.





3.Check continuity between fuse block (J/B) harness connector and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace harness.

4. CHECK GROUND CIRCUIT

1.Turn ignition switch OFF.
2.Check continuity between door mirror (driver side) harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness.

5. CHECK DRIVER SIDE DOOR MIRROR DEFOGGER

Check driver side door mirror defogger.
Refer to "Component Inspection"
Is the inspection result normal?
YES- GO TO 6.
NO- Replace door mirror (driver side). Refer to "DOOR MIRROR ASSEMBLY : Removal and Installation" Removal and Installation

6. CHECK INTERMITTENT INCIDENT

Check intermittent incident.
Refer to "Intermittent Incident" Intermittent Incident
Is the inspection result normal?
- INSPECTION END.


Component Inspection


1. CHECK DRIVER SIDE DOOR MIRROR DEFOGGER

1.Turn ignition switch OFF.
2.Disconnect door mirror (driver side) connector.
3.Check continuity between door mirror terminals.





Is the inspection result normal?
YES- INSPECTION END.
NO- Replace door mirror (driver side). Refer to "DOOR MIRROR ASSEMBLY : Removal and Installation" Removal and Installation
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.