Symptom Chart

SYMPTOM CHART

Condition	Possible Sources	Action
No communication with the front electronic module (FEM)	FEM Circuitry	REFER to MODULE COMMUNICATIONS NETWORK to continue communication diagnosis.
No communication with the rear electronic module (REM)	REM Circuitry	REFER to MODULE COMMUNICATIONS NETWORK to continue communication diagnosis.
No communication with the driver door module (DDM)	DDM Circuitry	REFER to MODULE COMMUNICATIONS NETWORK to continue communication diagnosis.
The mirrors are inoperative	Fuse Circuitry Exterior mirror control switch Driver door module (DDM)	Go To PINPOINT TEST A .
A single mirror is inoperative	Fuse Circuitry Exterior mirror control switch Front electronic module (FEM) Driver door module (DDM) Exterior mirror motor	Go To PINPOINT TEST B .
The auto-dimming mirror does not operate correctly	Circuitry Auto-dimming interior mirror LH auto-dimming exterior mirror Rear electronic module (REM)	Go To PINPOINT TEST C .
The memory mirror is inoperative	Circuitry Driver door module (DDM) Memory set switch	Go To PINPOINT TEST D .
The memory mirror is inoperative - memory set switch (light emitting diode) (LED)	Circuitry Driver door module (DDM) Memory set switch	Go To PINPOINT TEST E .
The heated exterior mirror(s) does not defrost	Circuitry Exterior mirror (s) Heated rear window relay Rear electronic module (REM)	Go To PINPOINT TEST F .