- Air conditioning amplifier assembly malfunction
- A/C switch (air conditioning control assembly) malfunction
- Malfunction in one of the servo motors (initialization incomplete)
- Damper and link operation (jamming)
- Refrigerant pressure malfunction (low pressure)
- Low ambient temperature (including thermistor assembly)
| Last Modified: 01-30-2024 | 6.11:8.1.0 | Doc ID: RM100000001FPEN |
| Model Year Start: 2019 | Model: RAV4 | Prod Date Range: [11/2018 - ] |
| Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Gasoline Model): A/C Switch Indicator does not Turn On; 2019 - 2024 MY RAV4 [11/2018 - ] | ||
|
A/C Switch Indicator does not Turn On |
DESCRIPTION
If none of the indicators on the air conditioning control assembly illuminate, the following malfunctions are possible.
|
Malfunction Status |
Factor |
|---|---|
|
None of the indicators on the air conditioning control assembly illuminate |
|
PROCEDURE
|
1. |
CHECK MALFUNCTION STATUS |
(a) Check the malfunction status of switch indicators on the air conditioning control assembly.
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 |
| B |
|
|
|
2. |
READ VALUE USING TECHSTREAM (AMBIENT TEMP SENSOR) |
(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 |
Thermistor assembly system malfunction
|
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).
| OK |
|
GO TO ON-VEHICLE INSPECTION (CHECK REFRIGERANT PRESSURE USING GAUGE) |
| NG |
|
|
|