DTC 78

id070200804600

DTC 78	Rear evaporator temperature sensor (present)
POSSIBLE CAUSE	•  Rear evaporator temperature sensor malfunction •  Open or short circuit between rear evaporator temperature sensor and front climate control unit

Diagnostic procedure

STEP	INSPECTION		ACTION
1	•  Is resistance between terminals 2J and 2P of front climate control unit connector (16-pin) as indicated below? ―  166 ohms—32 kilohms (-30—80 °C {-22—176 °F}) ―  2.107—2.575 kilohms (15 °C {59 °F})	Yes	Inspect the connection of the front climate control unit connector.
		No	Go to the next step.
2	•  Inspect rear evaporator temperature sensor. (See REAR EVAPORATOR TEMPERATURE SENSOR INSPECTION.) •  Is it okay?	Yes	Repair wiring harness.
		No	Replace rear evaporator temperature sensor. (See REAR EVAPORATOR TEMPERATURE SENSOR REMOVAL/INSTALLATION.)