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*ACTUATOR CIRCUIT TEST DIAGNOSTICS (SINGLE-ZONE) (CONTINUED) For the Manual Temperature Control circuit diagrams (Refer to 24 - HEATING & AIR CONDITIONING - SCHEMAT- For a complete wiring diagram Refer to Section 8W. Theory of Operation By running the Actuator Circuit Test, the A/C Heater Control can identify up to three door driver circuits shorted Diagnostic Test 1. SELECT THE CORRECT PROCEDURE STEPS TO DIAGNOSE THE ACTUATOR CIRCUIT TEST FAULT(S) Which Actuator Circuit Test message is present? XXX Driver/Circuit Shorted to Ground Go To 2 XXX Driver/Circuit Shorted to Ignition or Battery Go To 4 Short Too Complex Go To 6 XXX Driver/Circuit Shorted to Ground & to Ignition or Battery Go To 8 2. CHECK THE DOOR DRIVER CIRCUIT IDENTIFIED IN THE ACTUATOR CIRCUIT TEST MESSAGE FOR A Turn the ignition off. Disconnect the A/C Heater Control C1 harness connector. Measure the resistance of the applicable door driver circuit between Is the resistance below 10k ohms? Yes >> Repair the door driver circuit for a short to ground. Perform BODY VERIFICATION TEST - VER 1. (Refer to 8 ELECTRICAL/ELECTRONIC CONTROL MODULES/ FRONT CONTROL MODULE - DIAGNOSIS AND TEST- No >> Go To 3 24 - 148 HVAC - ELECTRICAL DIAGNOSTICS DR/DH |