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.

Air Conditioning System
DTC Code Detection Item Memory* Diagnostic Note See page
B1411/11 Room Temperature Sensor Circuit

Stored

(4 seconds or more)

If the front room temperature is approx. -18.6°C (-1.48°F) or less, DTC B1411/11 may be stored even though the system is normal.

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B1412/12 Ambient Temperature Sensor Circuit

Stored

(4 seconds or more)

If the ambient temperature is approx. -52.9°C (-63.22°F) or less, DTC B1412/12 may be stored even though the system is normal.

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B1413/13 Evaporator Temperature Sensor Circuit

Stored

(4 seconds or more)

-

Click here

B1423/23 Pressure Sensor Circuit

Stored

(4 seconds or more)

Click here

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

Stored

(30 seconds or more)

-

Click here

B1442/42 Air Inlet Damper Control Servo Motor Circuit

Stored

(30 seconds or more)

-

Click here

B1443/43 Air Outlet Damper Control Servo Motor Circuit

Stored

(30 seconds or more)

-

Click here

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

Stored

(30 seconds or more)

-

Click here

B1451/51 Compressor Solenoid Circuit

Stored

(30 seconds or more)

-

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B1497/97 BUS IC Communication Malfunction

Stored

(10 seconds or more)

-

Click here

B14A2 Driver Side Solar Sensor Short Circuit

Stored

(4 seconds or more)

If the check is performed in a dark place, DTC B14A3 (front passenger side solar sensor short circuit) may also be stored.

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B14A3 Front Passenger Side Solar Sensor Short Circuit

Stored

(4 seconds or more)

If the check is performed in a dark place, DTC B14A2 (driver side solar sensor short circuit) may also be stored.

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B14B2 Lost Communication with Front Panel LIN

Stored

(10 seconds or more)

-

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B14B8 Refrigerant Shortage

Memorized

(15 seconds or more)

-

Click here

U0100 Lost Communication with ECM - -

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U0131 Lost Communication with Power Steering Control Module - -

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U0142 Lost Communication with Main Body ECU - -

Click here

U0155 Lost Communication with Combination Meter - -

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U0163 Last Communication With Navigation ECU - -

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Tech Tips

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