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*01 *02 SJC8AH7K711000Y1237FAAT00 − − − − − − − − DTC B1237 or DTC indicator M: YES NO YES NO YES NO YES NO 21-116 Climate Control DTC Troubleshooting (cont’d) CLIMATE CONTROL UNIT 30P CONNECTOR GRY YEL CLIMATE CONTROL UNIT 30P CONNECTOR GRY YEL A Short in the Passenger’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 passenger’s air mix control motor (see page 21-136). Go to step 6. Replace the passenger’s air mix control motor (see page 21-137). 6. Disconnect the passenger’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. 5 and No. 23 Repair short to body ground in the wires between the climate control unit and the 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 B1237 or M indicated? Is the passenger ’s air mix contr ol motor OK ? Is ther e continuity? Is ther e continuity? |