Symptom Chart

Condition	Possible Sources	Action
The mirrors are inoperative	Battery junction box (BJB) fuse Smart junction box (SJB) fuse Circuitry Exterior mirror control switch SJB	Go to Pinpoint Test A .
A single mirror is inoperative	Circuitry Exterior mirror control switch Exterior mirror motor	Go to Pinpoint Test B .
A single mirror does not function with switch logic	Circuitry Exterior mirror control switch Exterior mirror motor	Go to Pinpoint Test C .
The memory mirror is inoperative	Driver seat module (DSM) Circuitry BJB fuse Exterior mirror motor Mirror control switch	Go to Pinpoint Test D .
The memory mirror is inoperative - does not operate from the memory set switch	Circuitry Driver seat module (DSM) Exterior mirror motor Memory set switch	Go to Pinpoint Test E .
The heated exterior mirrors do not defrost	Circuitry Exterior rear view mirror BJB fuse	Go to Pinpoint Test F .
The auto-dimming mirror does not operate correctly	Obstructed rear-facing sensor Stickers, window decals, tags Non-OEM window tinting Obstructed forward-facing sensor Stickers, window decals, tags Non-OEM window tinting	If possible, REMOVE the obstruction. If the obstruction cannot be removed, go to Pinpoint Test D to test the auto-dimming mirror for correct function.
	Light source near or inside of vehicle	None. Any light source the rear-facing sensor is exposed to can be considered glare.
	Vehicle inside garage or tunnel	None. Ambient conditions are similar to night time conditions.
	Fuse Auto-dimming interior mirror Circuitry	Go to Pinpoint Test G .