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SJC8AH6K733000Y1202FAAT00 SJC8AH6K733000Y1205FAAT02 − − − − − − DTC B1202: DTC B1205: DTC B1206: DTC B1207: YES NO YES NO YES NO 21-20 21-20 Heating/Air Conditioning DTC Troubleshooting HVAC Control Unit Internal Error HVAC Control Unit Lost Communication with Gauge Control Module HVAC Control Unit Lost Communication with Gauge Control Module HVAC Control Unit Lost Communication with Gauge Control Module NOTE: • Check the battery condition (see page 22-74) and the charging system (see page 4-26). • If you are troubleshooting multiple DTCs, be sure to follow the instructions in B-CAN system diagnosis 1. Clear the DTC with the HDS. 2. Operate the heater-A/C control system in several modes. 3. Check for DTCs using the HDS. The HVAC control unit is faulty, replace the control unit. Intermittent failure, the HVAC control unit is OK at this time. NOTE: If you are troubleshooting multiple DTCs, be 1. Clear the DTC with the HDS. 2. Operate the heater-A/C control system in several modes. 3. Check for DTCs using the HDS. Go to step 4. Intermittent failure, the gauge control module and HVAC control unit are OK at this time. 4. Check for DTCs using the HDS. Perform the gauge control module input test (see page 22-122). Go to step 5. 5. Turn the ignition switch OFF. 6. Disconnect the HVAC control unit 30P connector. 7. Remove the gauge control module (see page 22-263). Is DT C B1202 indicated? Is DT C B1205, B1206 and/ or B1207 indicated? Is DT C B1060 or B2157 indicated? |