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.

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