Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM100000001XL22 |
Model Year Start: 2022 |
Model: Camry |
Prod Date Range: [08/2021 -
] |
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM (for Automatic Air Conditioning System): No Cool Air Comes Out; 2022 - 2024 MY Camry [08/2021 - ] |
DESCRIPTION
If warm air blows from the registers regardless of the temperature setting of the air conditioning system, the following suspected areas may be the cause.
Symptom
|
Factor
|
No cool air comes out
(Blower control is normal)
|
-
Compressor assembly with pulley (compressor solenoid) malfunction*1
-
Cooler compressor assembly (compressor solenoid) malfunction*2
-
Refrigerant pressure is extremely high or low
-
Refrigerant volume (low)
-
Clogged cooler condenser assembly fins
-
Cooling fan system malfunction
-
Mechanical locking of damper and damper link
-
No. 1 cooler thermistor malfunction
-
High inlet air temperature
|
-
*1: for A25A-FKS
-
*2: for 2GR-FKS
PROCEDURE
1.
|
CHECK SWITCH INDICATOR
|
(a) Operate each switch on the air conditioning control panel and check that the switch indicators operate normally.
OK:
All switch indicators operate normally.
OK
|
|
|
2.
|
PERFORM ACTIVE TEST 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 / Active Test.
(e) Perform the Active Test according to the display on the Techstream.
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*1 or air mix*2) 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*1
|
Min.: 128
Max.: 383
|
Operates between 255 to 347 pulses
|
Air Outlet Servo Pulse (D)
|
No. 1 air conditioning radiator damper servo sub-assembly (mode) pulse
|
Min.: 128
Max.: 383
|
Operates between 241 to 348 pulses
|
Air Inlet Damper Targ Pulse
|
No. 1 blower damper servo sub-assembly pulse
|
Min.: 128
Max.: 383
|
Operates between 220 to 256 pulses
|
A/O Servo Pulse(Rr D)
|
No. 2 air conditioning radiator damper servo sub-assembly pulse*3
|
Min.: 128
Max.: 383
|
Operates between 158 to 260 pulses
|
-
*1: for Dual Type
-
*2: for Single Type
-
*3: w/ Rear Center Register
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)
|
Body Electrical > Air Conditioner > Active Test
Tester Display
|
Air Outlet Servo Pulse (D)
|
Body Electrical > Air Conditioner > Active Test
Tester Display
|
Air Inlet Damper Targ Pulse
|
Body Electrical > Air Conditioner > Active Test
Tester Display
|
A/O Servo Pulse(Rr D)
|
OK:
Each damper servo motor operates.
|