DTC B1260, B1261, B1274, B1275, B1282, B1283 (MULTIPLE DTCS INDICATED)

id070200800700

DTC B1260, B1261, B1282, B1283, B1274, B1275	Climate control unit (+5 V power supply) system
POSSIBLE CAUSE	•  Open or short circuit in wiring harnesses between climate control unit and solar radiation sensor, air mix actuator, or airflow mode actuator

Diagnostic Procedure

STEP	INSPECTION		ACTION
1	•  Disconnect the climate control unit connector and the airflow mode actuator connector. •  Is there an open circuit in the wiring harness between climate control unit terminal P and airflow mode actuator terminal A?	Yes	Repair the wiring harness.
		No	Go to the next step.
2	•  Is there a short circuit to ground in the wiring harness between climate control unit terminal P and airflow mode actuator terminal A?	Yes	Repair the wiring harness.
		No	Go to the next step.
3	•  Is there a short circuit to ground in the wiring harness between climate control unit terminal P and air mix actuator terminal A?	Yes	Repair the wiring harness.
		No	Go to the next step.
4	•  Is there a short circuit to ground in the wiring harness between climate control unit terminal P and solar radiation sensor terminal A?	Yes	Repair the wiring harness.
		No	The system is normal at present. (Clear the past malfunction from the memory.)