Last Modified: 11-20-2023 |
6.11:8.1.0 |
Doc ID: RM100000001EZNH |
Model Year Start: 2019 |
Model: Camry HV |
Prod Date Range: [09/2018 - 10/2020] |
Title: HEATING / AIR CONDITIONING: AIR CONDITIONING SYSTEM: No Cool Air Comes Out; 2019 - 2020 MY Camry HV [09/2018 - 10/2020] |
DESCRIPTION
If warm air blows from the registers regardless of the temperature setting of the air conditioning system, the following factors may be the cause.
Symptom
|
Factor
|
No cool air comes out
(Blower control is normal)
|
-
Compressor with motor assembly malfunction
-
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
|
PROCEDURE
Result
|
Proceed to
|
for 8 Inch Display
|
A
|
for 7 Inch Display
|
B
|
A
|
|
|
2.
|
CHECK SWITCH INDICATOR
|
(a) Operate each switch on the air conditioning control panel (radio and display receiver assembly) and check that the switch indicators operate normally.
OK:
All switch indicators operate normally.
3.
|
CHECK SWITCH INDICATOR
|
(a) Operate each switch on the air conditioning control assembly and check that the switch indicators operate normally.
OK:
All switch indicators operate normally.
OK
|
|
|
4.
|
PERFORM ACTIVE TEST USING TECHSTREAM
|
(a) Connect the Techstream to the DLC3.
(b) Turn the power switch on (IG).
(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) pulse
|
Min.: 128
Max.: 383
|
Operates between 165 and 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 and 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:
Each damper servo motor operates.
OK |
|
INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET
for HFC-134a (R134a): Click here
for HFO-1234yf (R1234yf): Click here
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