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B1047–FLOOR/DEFROST MODE DOOR CONTROL CIRCUIT LOW (CONTINUED) 4. CHECK (C801) MODE DOOR 2 DRIVER CIRCUIT FOR A SHORT TO (C34) FRONT COMMON DOOR Disconnect the Mode Door 2 (Floor to Defrost) Actuator harness con- Measure the resistance between the (C801) Mode Door 2 Driver cir- Is the resistance below 10k ohms? Yes >> Repair the (C801) Mode Door 2 Driver circuit for a short to the (C34) Common Door Driver circuit. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 ELECTRICAL/ELECTRONIC CONTROL MODULES/ FRONT CONTROL MODULE - DIAGNOSIS AND TEST- No >> Replace the Mode Door 2 (Floor to Defrost) Actuator in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 ELECTRICAL/ELECTRONIC CONTROL MODULES/ FRONT CONTROL MODULE - DIAGNOSIS AND TESTING). 5. RUN THE ACTUATOR DTC DETECTION TEST Reconnect the A/C Heater Control C1 harness connector. Turn the ignition on. With the scan tool, erase HVAC DTCs. With the scan tool, select System Tests and then select Actuator DTC Detection. When the test is complete, select Does the scan tool only display: B1047–FLOOR/DEFROST MODE DOOR CONTROL CIRCUIT LOW? Yes >> Replace the A/C Heater Control in accordance with the Service Information. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL No, Other DTC(s) Displayed Diagnose and repair the other DTC(s). If multiple DTCs are present, beginning with the common circuit, No, And No Other DTCs Displayed Using the wiring diagram as a guide, inspect the wiring and connectors for conditions causing an inter- Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 - ELECTRICAL/ELECTRONIC CONTROL 24 - 70 HVAC - ELECTRICAL DIAGNOSTICS ND |