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*01 *02 SJC8AH7K711000Y1234FAAT00 − − − − − − − − DTC B1234 or DTC indicator J: YES NO YES NO YES NO YES NO 21-112 Climate Control DTC Troubleshooting (cont’d) CLIMATE CONTROL UNIT 30P CONNECTOR GRY PNK/BLK CLIMATE CONTROL UNIT 30P CONNECTOR GRY PNK/BLK A Short in the Driver’s Air Mix Control Motor 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. 4. Turn the ignition switch OFF. 5. Test the driver’s air mix control motor (see page 21-135). Go to step 6. Replace the driver’s air mix control motor (see page 21-135). 6. Disconnect the driver’s air mix control motor 7P connector. 7. Disconnect the climate control unit 30P connector. 8. Check for continuity between body ground and the climate control unit 30P connector No. 6 and No. 23 Repair short to body ground in the wires between the climate control unit and the driver’s air Go to step 9. 9. Check for continuity between the climate control unit 30P connector terminals as follows. Repair the short in the wires. Go to step 10. Wire side of female terminals Wire side of female terminals Is DT C B1234 or J indicated? Is the dr iver ’s air mix contr ol motor OK ? Is ther e continuity? Is ther e continuity? |