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DTC B1031, B1032: Air Thermo Sensor System M15502000938USA0000010000 Air Thermo Sensor Circuit A/C-ECU AIR THERMO ZC600876 Connector: C-109, C-118 C-108 (B) C-118 0035 DTC SET CONDITION ⦆ DTC B1031 is set if there is a short circuit in the air ⦆ DTC B1032 is set if there is a defective connector TECHNICAL DESCRIPTION (COMMENT) Current trouble ⦆ The A/C-ECU, the air thermo sensor, or connector Past trouble ⦆ If DTC B1031 or B1032 is stored as a past trouble, TROUBLESHOOTING HINT ⦆ Malfunction of connector. ⦆ Malfunction of the harness. ⦆ Malfunction of the air thermo sensor. ⦆ Malfunction of the A/C-ECU. DIAGNOSIS Required Special Tool: ⦆ MB991958: Scan Tool (M.U.T.-III Sub Assembly) ⦆ MB991824: Vehicle Communication Interface (V.C.I.) AIR CONDITIONING 55A-23 MANUAL A/C DIAGNOSIS |