Last Modified: 01-30-2024 |
6.11:8.1.0 |
Doc ID: RM100000001FPEO |
Model Year Start: 2019 |
Model: RAV4 |
Prod Date Range: [11/2018 -
] |
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Gasoline Model): No Cooling at All; 2019 - 2024 MY RAV4 [11/2018 - ] |
DESCRIPTION
If cool air is not discharged (air is discharged), the following malfunctions are possible.
Malfunction Status
|
Factor
|
Cool air is not discharged (air is discharged)
|
-
Compressor with pulley assembly malfunction
-
Refrigerant pressure malfunction
-
Lack of refrigerant gas
-
Dirty cooler condenser
-
Cooling fan system malfunction
-
Air mix damper and link operation (jamming)
-
No. 1 cooler thermistor (determined as cold, conflicting with actual temperature)
-
Warm air flow
|
PROCEDURE
1.
|
CHECK AIR CONDITIONING CONTROL ASSEMBLY (SWITCH INDICATOR)
|
(a) Operate each switch on the air conditioning control assembly to check that the switch indicators are illuminated normally.
OK:
Switch indicators are illuminated normally.
OK
|
|
|
2.
|
PERFORM ACTIVE TEST USING TECHSTREAM (SERVO PULSE)
|
(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 / Active Test.
(e) for Automatic Air Conditioning System:
(1) Check the operation by referring to the table below.
Body Electrical > Air Conditioner > Active Test
Tester Display
|
Measurement Item
|
Control Range
|
Diagnostic Note
|
Air Mix Servo Targ Pulse(D)
|
No. 1 air conditioning radiator damper servo sub-assembly (driver side air mix) pulse
|
Min.: 128
Max.: 383
|
Operates between 165 to 257 pulses
|
Air Mix Servo Targ Pulse(P)
|
No. 1 air conditioning radiator damper servo sub-assembly (front passenger side air mix) pulse
|
Min.: 128
Max.: 383
|
Operates between 255 to 347 pulses
|
Body Electrical > Air Conditioner > Active Test
Tester Display
|
Air Mix Servo Targ Pulse(D)
|
Body Electrical > Air Conditioner > Active Test
Tester Display
|
Air Mix Servo Targ Pulse(P)
|
OK:
Damper servo motor is operated.
(f) for Manual Air Conditioning System:
(1) Check the operation by referring to the table below.
Body Electrical > Air Conditioner > Active Test
Tester Display
|
Measurement Item
|
Control Range
|
Diagnostic Note
|
Air Mix Servo Targ Pulse(D)
|
No. 1 air conditioning radiator damper servo sub-assembly (air mix) pulse
|
Min.: 128
Max.: 383
|
Operates between 165 to 257 pulses
|
OK:
Damper servo motor is operated.
|