Last Modified: 08-21-2023 6.11:8.1.0 Doc ID: RM100000001A3P2
Model Year Start: 2019 Model: Avalon HV Prod Date Range: [04/2018 - 08/2020]
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for HV Model): B14A8,B14A9,B14AA; Glass Temperature Sensor Circuit; 2019 - 2020 MY Avalon HV [04/2018 - 08/2020]

DTC

B14A8

Glass Temperature Sensor Circuit

DTC

B14A9

Glass Surroundings Temperature Sensor Circuit

DTC

B14AA

Glass Humidity Sensor Circuit

DESCRIPTION

The air conditioning thermistor assembly is attached to front glass window and used for auto control of the air conditioning system.

The main body ECU (multiplex network body ECU) is received the signal from the air conditioning thermistor assembly via the LIN communication line.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Memory

B14A8

Glass Temperature Sensor Circuit

Open or short in glass temperature sensor circuit

Air conditioning thermistor assembly

Memorized

B14A9

Glass Surroundings Temperature Sensor Circuit

Open or short in glass surroundings temperature sensor circuit

Air conditioning thermistor assembly

Memorized

B14AA

Glass Humidity Sensor Circuit

Open or short in glass humidity sensor circuit

Air conditioning thermistor assembly

Memorized

PROCEDURE

1.

REPLACE AIR CONDITIONING THERMISTOR ASSEMBLY

(a) Replace the air conditioning thermistor assembly.

Click here 2019 - 2020 MY Avalon Avalon HV [04/2018 - 08/2020]; HEATING / AIR CONDITIONING: HUMIDITY SENSOR: REMOVAL

NOTICE:

As this DTC is stored when the air conditioning thermistor assembly is malfunctioning, it is necessary to replace the air conditioning thermistor assembly.

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