DTC 07

DTC 07 INSPECTION

DTC 07	Rear window defroster switch on/off signal
Courtesy of MAZDA MOTORS CORP.

DTC 07 DIAGNOSTIC PROCEDURE

STEP	INSPECTION	INDICATION	ACTION
1	While display of front climate control unit is indicating OFF, turn rear window defroster switch on.	ON	Go to next step.
1		OFF	Measure voltage at instrument cluster terminal 2R. Is voltage B+? If as specified, replace instrument cluster. If not as specified, inspect following parts. Climate control unit Wiring harness (Instrument cluster-climate control unit)
2	While display of front climate control unit is indicating ON, turn rear window defroster switch on.	ON	Input signal to instrument cluster is okay.
2		OFF	Measure voltage at instrument cluster terminal 2R. Is voltage 0 V? If as specified, replace instrument cluster. If not as specified, inspect following parts. Climate control unit Wiring harness (Instrument cluster-climate control unit)