Rear End Door Window Defogger Symptom Diagnosis

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.

REAR END DOOR WINDOW DEFOGGER SYMPTOM DIAGNOSIS

Condition	Possible Cause	Action
Rear end door window defogger does not operate	Circuit fuse blown	Replace fuse and check for short circuit.
	Rear end door window defogger relay faulty	Check rear end door window defogger relay referring to REAR END DOOR WINDOW DEFOGGER RELAY INSPECTION .
	Defogger wire faulty	Check defogger wire referring to REAR END DOOR WINDOW DEFOGGER WIRE INSPECTION .
	Wiring or grounding faulty	Repair circuit.
	HVAC control module faulty	Check HVAC control module referring to HVAC CONTROL MODULE AND ITS CIRCUITS INSPECTION (FOR VEHICLE WITHOUT A/C) .
	BCM faulty	Replace after making sure that none of above parts is faulty.