- Air conditioning amplifier assembly malfunction
- Air conditioning control panel (radio and display receiver assembly) malfunction*1
- Air conditioning control assembly malfunction*2
- A/C switch malfunction
- A/C switch indicator malfunction (including when indicator turned off without switch operation)
- Servo motor initialization (incomplete)
- Mechanical locking of damper and damper link
- Refrigerant pressure is extremely low
- Low detected ambient temperature (including thermistor assembly malfunction)
| Last Modified: 11-20-2023 | 6.11:8.1.0 | Doc ID: RM1000000015PL7 |
| Model Year Start: 2018 | Model: Camry | Prod Date Range: [06/2017 - 10/2020] |
| Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System): Indicator does not Illuminate; 2018 - 2020 MY Camry [06/2017 - 10/2020] | ||
|
Indicator does not Illuminate |
DESCRIPTION
If none of the switch indicators on the air conditioning control panel (radio and display receiver assembly)*1 or air conditioning control assembly*2 illuminate, the following suspected areas may be the cause.
|
Symptom |
Factor |
|---|---|
|
None of the switch indicators on the air conditioning control panel (radio and display receiver assembly)*1 or air conditioning control assembly*2 illuminate |
|
- *1: for 8 Inch Display
- *2: for 7 Inch Display
PROCEDURE
|
1. |
CONFIRM MODEL |
|
Result |
Proceed to |
|---|---|
|
for 8 Inch Display |
A |
|
for 7 Inch Display |
B |
| B |
|
|
|
2. |
CHECK AIR CONDITIONING CONTROL PANEL (RADIO AND DISPLAY RECEIVER ASSEMBLY) |
(a) Check that the switch indicators on the air conditioning control panel (radio and display receiver assembly) illuminate immediately after the engine is started.
OK:
All switch indicators illuminate.
| OK |
|
| NG |
|
REPLACE AIR CONDITIONING CONTROL PANEL (RADIO AND DISPLAY RECEIVER ASSEMBLY) |
|
3. |
CHECK AIR CONDITIONING CONTROL ASSEMBLY |
(a) Check that the switch indicators on the air conditioning control assembly illuminate immediately after the engine is started.
OK:
All switch indicators illuminate.
| NG |
|
|
|
4. |
READ VALUE USING TECHSTREAM |
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Body Electrical / Air Conditioner / Data List.
(e) Read the Data List according to the display on the Techstream.
Body Electrical > Air Conditioner > Data List
|
Tester Display |
Measurement Item |
Range |
Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Ambient Temp Sensor |
Thermistor assembly |
Min.: -23.30°C (-9.94°F) Max.: 65.95°C (150.71°F) |
Actual ambient temperature displayed |
- |
Body Electrical > Air Conditioner > Data List
|
Tester Display |
|---|
|
Ambient Temp Sensor |
OK:
The value displayed is 0°C (32°F) or higher.
| OK |
|
INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET for HFC-134a (R134a): Click here
for HFO-1234yf (R1234yf): Click here
|
![2018 - 2020 MY Camry [06/2017 - 10/2020]; HEATING / AIR CONDITIONING: REFRIGERANT (for HFC-134a(R134a)): ON-VEHICLE INSPECTION](/t3Portal/stylegraphics/info.gif)
| NG |
|
GO TO OTHER DIAGNOSIS PROCEDURE (Ambient Temperature Display System) |
|
|