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B103E–REAR MODE DOOR TRAVEL RANGE TOO SMALL (ATC & MTC) For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes DOOR DRIVER ELECTRICAL CIRCUIT(S) REAR MODE DOOR SEIZED, BINDING, OBSTRUCTED REAR MODE DOOR ACTUATOR A/C HEATER CONTROL Theory of Operation The A/C Heater Control calibrates each actuator individually. Automatic calibration occurs upon power up after Diagnostic Test 1. CHECK FOR ACTIVE CONTROL CIRCUIT/PERFORMANCE & CONTROL CIRCUIT OPEN DTCs Turn the ignition on. With the scan tool, read active HVAC DTCs. Does the scan tool display any active: XXXX CONTROL CIRCUIT/PERFORMANCE or XXXX CONTROL CIR- Yes (ATC) Diagnose and repair the DTC(s). If present, diagnose and repair all Rear Blend and Rear Mode Door Yes (MTC) Diagnose and repair the DTC(s). Refer to the Table of Contents in this Section for a complete list of all No >> Go To 2 2. RUN THE ACTUATOR DTC DETECTION TEST With the scan tool in HVAC, select System Tests and then select Actuator DTC Detection. When the test is com- Does the scan tool display any DTCs? Yes >> Diagnose and repair the DTC(s). If multiple DTCs are present, beginning with the common circuits, diag- nose and repair all short high DTCs first, all short low DTCs second, and all open DTCs last. Refer to No >> Go To 3 HB HVAC - ELECTRICAL DIAGNOSTICS 24 - 57 |