AIR CONDITIONING SYSTEM(for Automatic Air Conditioning System) DIAGNOSTIC TROUBLE CODE CHART

Tech Tips


  • If a trouble code is output during the DTC check, inspect the trouble areas listed for that code. For details of the code, refer to the "See page" below.

  • *: The air conditioning amplifier stores the DTC of the respective malfunction that has been detected for the period of time indicated in parentheses.

Air Conditioning System (for Automatic Air Conditioning System)
DTC Code Detection Item See page
B1411/11 Room Temperature Sensor Circuit

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B1412/12 Ambient Temperature Sensor Circuit

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B1413/13 Evaporator Temperature Sensor Circuit

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B1417/17 Rear Evaporator Temperature Sensor Circuit

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B1419/19 Rear Room Temperature Sensor Circuit

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B1422/22 Compressor Lock Sensor Circuit

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B1423/23 Pressure Sensor Circuit

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B1441/41 Air Mix Damper Control Servo Motor Circuit (Passenger Side)

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B1442/42 Air Inlet Damper Control Servo Motor Circuit

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B1443/43 Air Outlet Damper Control Servo Motor Circuit

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B1446/46 Air Mix Damper Control Servo Motor Circuit (Driver Side)

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B1447/47 Rear Air Mix Damper Control Servo Motor Circuit

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B1449/49 Rear Air Outlet Damper Control Servo Motor Circuit

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B1497/97 BUS IC Communication Malfunction

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B14A2 Driver Side Solar Sensor Short Circuit

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B14A3 Front Passenger Side Solar Sensor Short Circuit

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U0100 Lost Communication with ECM

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U0142 Lost Communication with Main Body ECU

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U0155 Lost Communication with Combination Meter

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