Door Mirror Heater Symptom Diagnosis (If Equipped)

NOTE:

Use of SUZUKI scan tool makes it easy to check whether a faulty condition is on the input side or output side of BCM. For checking procedure, refer to "DIAGNOSIS USING OUTPUT TEST FUNCTION OF SUZUKI SCAN TOOL " under Scan Tool Data.
Check each part in the order from the top of the following list.

DOOR MIRROR HEATER SYMPTOM DIAGNOSIS

Condition	Possible Cause	Action
All door mirror heaters does not operate	Circuit fuse blown	Replace fuse and check for short circuit .
	Rear end door window/back window defogger switch faulty	Check rear end door window/back window defogger switch referring to REAR END DOOR WINDOW/BACK WINDOW DEFOGGER SWITCH INSPECTION .
	Rear end door window/back window defogger relay faulty	Check rear end door window/back window defogger relay referring to REAR END DOOR WINDOW/BACK WINDOW DEFOGGER RELAY INSPECTION .
	Wiring or grounding faulty	Repair wiring .
	BCM faulty	Replace after making sure that none of above parts is faulty .
Only one door mirror heater does not operate	Door mirror heater faulty	Check door mirror heater refiring to DOOR MIRROR HEATER INSPECTION (IF EQUIPPED) .
Only one door mirror heater does not operate	Wiring or grounding faulty	Repair wiring .