DTC 75

id070200806100

DTC 74	Rear climate control unit set temperature communication system (present)
POSSIBLE CAUSE	•  Open or short circuit between front climate control unit and rear climate control unit

Diagnostic Procedure

STEP	INSPECTION		ACTION
1	•  Disconnect front climate control unit connector and rear climate control unit connector. •  Is there open circuit between following terminals of front climate control unit connector and rear climate control unit connector? ―  3G—C ―  3H—F	Yes	Repair wiring harness.
		No	Go to the next step.
2	•  Is there short circuit to ground between terminal 3I of front climate control unit connector and terminal G of rear climate control unit connector?	Yes	Repair wiring harness.
		No	Inspect the connection of the front climate control unit and rear climate control unit.