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MANUAL A/C DIAGNOSIS TSB Revision HEATER, AIR CONDITIONING AND VENTILATION 55A-23 DTC B1041, B1042: Air Mixing Damper Control Motor and Potentiometer (Potentiometer system) . DTC SET CONDITION • DTC B1041 or B1042 is set if there is an open or short circuit in the potentiometer input circuit, or if . TECHNICAL DESCRIPTION (COMMENT) Current trouble • The A/C-ECU, the air mixing damper control motor and potentiometer, or connector(s) or wir- Past trouble • If DTC B1041 or B1042 is stored as a past trou- ble, carry out diagnosis with particular emphasis TROUBLESHOOTING HINT • Malfunction of connector. • Malfunction of the harness. • Malfunction of the air mixing damper control motor and potentiometer. • Malfunction of the A/C-ECU. AIR MIXING JOINT A/C-ECU Air Mixing Damper Control Motor Potentiometer AC305231AZ CONNECTOR: C-03 AC305233 CONNECTOR: C-10, C-105 AZ C-105 C-10 (B) |