|
|
Content .. 1511 1512 1513 1514 ..
B1055–REAR BLEND DOOR CONTROL CIRCUIT OPEN (MTC) (CONTINUED) For the Manual Temperature Control (MTC) circuit diagram (Refer to 24 - HEATING & AIR CONDITIONING - SCHE- For a complete wiring diagram Refer to Section 8W. • When Monitored: • Set Condition: Possible Causes (C54) REAR BLEND DOOR DRIVER CIRCUIT OPEN (C154) REAR COMMON DOOR DRIVER CIRCUIT OPEN REAR BLEND DOOR ACTUATOR A/C HEATER CONTROL Theory of Operation The A/C Heater Control drives the Rear Blend Door Actuator via the (C54) Rear Blend Door Driver circuit and the NOTE: DTC B1055 must be active for the results of this test to be valid. Do not perform this test if DTC Diagnostic Test 1. CHECK FOR ACTIVE CONTROL CIRCUIT/PERFORMANCE DTCs Turn the ignition on. With the scan tool, read active HVAC DTCs. Does the scan tool display any active: XXXX CONTROL CIRCUIT/PERFORMANCE DTCs? Yes >> Diagnose and repair the DTC(s). Refer to the Table of Contents in this Section for a complete list of all HVAC related symptoms. No >> Go To 2 HB HVAC - ELECTRICAL DIAGNOSTICS 24 - 245 |