Nissan Maxima Service and Repair Manual: Both doors mirror defogger don't operate but rear window defogger operates

Diagnosis Procedure

1. CHECK DOOR MIRROR DEFORGGER FUSE

Check if the following fuse in fuse block (J/B) is blown.

2. CHECK DOOR MIRROR DEFORGGER CIRCUIT

1. Turn ignition switch OFF.
2. Disconnect the following harness connectors.

• Fuse block (J/B) connector M5
• Door mirror LH D4
• Door mirror RH D107

3. Check continuity between fuse block (J/B) harness connector M5 and door mirror defogger harness connectors D4,D107.
4. Check continuity between fuse block (J/B) harness connector M5 terminal 10M and ground.

3. CHECK DOOR MIRROR DEFOGGER

Check door mirror LH.