AIR CONDITIONING SYSTEM, Diagnostic DTC:B14A8, B14A9, B14AA

DTC Code DTC Name
B14A8 Glass Temperature Sensor Circuit
B14A9 Glass Surroundings Temperature Sensor Circuit
B14AA Glass Humidity Sensor Circuit

DESCRIPTION

The rain sensor (glass humidity sensor) is attached to front glass window and used for auto control of the air conditioning system.

The air conditioning amplifier assembly is received the signal from the rain sensor (glass humidity sensor) via the CAN/LIN communication line.

DTC No. Detection Item DTC Detection Condition Trouble Area Memory
B14A8 Glass Temperature Sensor Circuit

  • Diagnosis condition: Power switch on (IG)

  • Malfunction status: Communication between rain sensor (glass humidity sensor) and main body ECU (multiplex network body ECU) is abnormal or stops

  • Detection time: Continuously for 5 seconds or more after turning power switch on (IG) after progress 10 seconds.

 Rain sensor (glass temperature sensor) Memorized
B14A9 Glass Surroundings Temperature Sensor Circuit

  • Diagnosis condition: Power switch on (IG)

  • Malfunction status: Communication between rain sensor (glass humidity sensor) and main body ECU (multiplex network body ECU) is abnormal or stops

  • Detection time: Continuously for 5 seconds or more after turning power switch on (IG) after progress 10 seconds.

 Rain sensor (glass surroundings temperature sensor) Memorized
B14AA Glass Humidity Sensor Circuit

  • Diagnosis condition: Power switch on (IG)

  • Malfunction status: Communication between rain sensor (glass humidity sensor) and main body ECU (multiplex network body ECU) is abnormal or stops

  • Detection time: Continuously for 5 seconds or more after turning power switch on (IG) after progress 10 seconds.

 Rain sensor (glass humidity sensor) Memorized

WIRING DIAGRAM

B004YO5E01
*1 Rain Sensor (Glass Humidity Sensor)
*2 Main Body ECU (Multiplex Network Body ECU)
*3 LIN Communication Line

PROCEDURE


  1. CHECK FOR DTC


    1. Check for DTCs.

      Click here


      Body Electrical > Rain and/or Humidity Sensor > Trouble Codes
      Result
      Result Proceed to
      DTC B1279 is output A
      DTC B1373 is output B
      DTC B14A8 is output C
      DTC B14A9 is output
      DTC B14AA is output

    A

    GO TO DTC B1279 Click here

    B

    GO TO DTC B1373 Click here

    C

    REPLACE RAIN SENSOR Click here