Nissan Altima 2007-2012 Service Manual: Rear window defogger does not operate but both of door mirror defogger operate

Diagnosis Procedure

1. CHECK REAR WINDOW DEFOGGER POWER SUPPLY AND GROUND CIRCUIT

Check rear window defogger power supply and ground circuit.

Refer to DEF-13, "Component Function Check".

Is the inspection result normal? YES >> Refer to GI-42, "Intermittent Incident".

NO >> Repair or replace the malfunctioning parts.

    Rear window defogger and door mirror defogger do not operate
    Diagnosis Procedure 1. CHECK REAR WINDOW DEFOGGER SWITCH Check rear window defogger switch. Refer to DEF-13, "Component Function Check". Is the inspection result normal? YES >&g ...

    Both doors mirror defogger don’t operate but rear window defogger operates
    Diagnosis Procedure 1. CHECK INTERMITTENT INCIDENT Check intermittent incident. Refer to GI-42, "Intermittent Incident". Is the inspection result normal? YES >> Check the foll ...

    Other materials:

    P0643 sensor power supply
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    Passenger compartment
    Fusible links If the electrical equipment does not operate and fuses are in good condition, check the fusible links. If any of these fusible links are melted, replace with only Genuine NISSAN parts. CAUTION Never use a fuse of a higher or lower amperage rating than specified on the fuse bo ...

    S connector circuit
    Description The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P or N position (CVT models) or the clutch pedal is fully depressed (M/T models). Diagnosis Procedure CAUTION: Perform diagnosis ...