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MANUAL A/C DIAGNOSIS TSB Revision HEATER, AIR CONDITIONING AND VENTILATION 55A-60 . DTC SET CONDITION • DTC B1011 is set if there is a short circuit in the ambient air temperature sensor input circuit. • DTC B1012 is set if there is a defective connector connection, or if there is an open circuit in the . TECHNICAL DESCRIPTION (COMMENT) Current trouble • The A/C-ECU, the ambient air temperature sen- sor, or connector(s) or wiring between the two Past trouble • If DTC B1011 or B1012 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 ambient air temperature sen- sor. • Malfunction of the A/C-ECU. AC305210 A-25 (BR) AQ CONNECTOR: A-25 AC305233 C-16 (B) C-23 CONNECTORS: C-15, C-16, C-23 C-15 DA AC305231AZ CONNECTOR: C-03 |