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01 SJC8AH7K711000Y1227FAAT00 − − − − − − DTC B1227 or DTC indicator C: YES NO YES NO YES NO 21-104 Climate Control DTC Troubleshooting (cont’d) CLIMATE CONTROL UNIT 30P CONNECTOR OUTSIDE AIR TEMPERATURE SENSOR 2P CONNECTOR PNK PNK An Open in the Outside Air Temperature Sensor Circuit 1. Clear the DTC with the HDS. 2. Operate the climate control system in several modes. 3. Check for DTCs using the HDS or self-diagnostic. Go to step 4. Intermittent failure, check for loose wires or poor connections on the outside air temperature 4. Turn the ignition switch OFF. 5. Remove the outside air temperature sensor (see page 21-52) and test it (see page 21-52). Go to step 6. Replace the outside air temperature sensor. 6. Disconnect the climate control unit 30P connector. 7. Check for continuity between the climate control unit 30P connector No. 9 terminal and the outside Go to step 8. Repair open in the wire between the climate control unit and the outside air temperature Wire side of female terminals Wire side of female terminals Is DT C B1227 or C indicated? Is the outside air temper atur e sensor OK ? Is ther e continuity? |