A/C Switch Indicator does not Turn On [12/2019 - 10/2022]: Procedure

1. Check the malfunction status of switch indicators on the air conditioning control assembly.

   Result

   Result	Proceed to
   A/C switch indicators are not always illuminated	A
   A/C switch indicators are not illuminated only immediately after starting the engine	B

Result: 

B 

GO TO INITIALIZATION. Refer to  INITIALIZATION [12/2019 - 10/2022] 

Result: 

A 

See step  2

1. Read the Data List according to the display on the GTS.

   Body Electrical > Air Conditioner > Data List 

   Tester Display	Measurement Item	Range	Normal Condition	Diagnostic Note
   Ambient Temp Sensor	Ambient temp. sensor (thermistor assembly)	Min.: -23.30°C (-9.94°F) Max.: 65.95°C (150.71°F)	Actual ambient temperature displayed	Ambient temp. sensor (thermistor assembly) circuit malfunction When open circuit: -23.30°C (-9.94°F) When short circuit: 65.95°C (150.71°F)

   Body Electrical > Air Conditioner > Data List 

   Tester Display
   Ambient Temp Sensor

   OK

   The display is as specified in the normal condition column (0°C (32°F) or higher).

   Result

   Proceed to
   OK
   NG

Result: 

OK 

INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET. Refer to  ON-VEHICLE INSPECTION [12/2019 - ] 

Result: 

NG 

GO TO OTHER DIAGNOSIS PROCEDURE (Ambient Temperature Display System). Refer to  Ambient Temperature Display System [12/2019 - 10/2022]