Toyota Corolla Cross: No Cool Air Comes Out
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
|
|
PROCEDURE
| 1. |
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.
|
Proceed to | |
|---|---|
| OK (for Dual Type) |
A |
| OK (for Single Type) |
B |
| NG |
C |
| B |
.gif) | GO TO STEP 3 |
| C |
| GO TO OTHER DIAGNOSIS PROCEDURE (Operation not Accepted Even If Air Conditioning Switch is Operated) |
|
.gif)
| 2. |
PERFORM ACTIVE TEST USING GTS |
(a) Perform the Active Test according to the display on the GTS.
Body Electrical > Air Conditioner > Active Test|
Tester Display | Measurement Item |
Control Range | Diagnostic Note |
|---|---|---|---|
|
Front Left Air Mix Damper Control Servo Motor |
No. 1 air conditioning radiator damper servo sub-assembly pulse |
Min.: 128 Max.: 384 |
Operates between 165 to 257 pulses |
|
Front Right Air Mix Damper Control Servo Motor |
No. 1 air conditioning radiator damper servo sub-assembly pulse |
Min.: 128 Max.: 384 |
Operates between 255 to 347 pulses |
|
Active Test Display |
|---|
|
Front Left Air Mix Damper Control Servo Motor |
|
Data List Display |
|---|
|
Front Left Air Mix Damper Control Servo Motor Actual Pulse |
|
Active Test Display |
|---|
|
Front Right Air Mix Damper Control Servo Motor |
|
Data List Display |
|---|
|
Front Right Air Mix Damper Control Servo Motor Actual Pulse |
OK:
The No. 1 air conditioning radiator damper servo motor operates.
| OK | | INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET |
| NG | | GO TO DTC TROUBLESHOOTING PROCEDURE FOR MALFUNCTIONING DAMPER SERVO MOTOR |
| 3. |
PERFORM ACTIVE TEST USING GTS |
(a) Perform the Active Test according to the display on the GTS.
Body Electrical > Air Conditioner > Active Test|
Tester Display | Measurement Item |
Control Range | Diagnostic Note |
|---|---|---|---|
|
Front Air Mix Damper Control Servo Motor |
No. 1 air conditioning radiator damper servo sub-assembly pulse |
Min.: 128 Max.: 384 |
Operates between 255 to 347 pulses |
|
Active Test Display |
|---|
|
Front Air Mix Damper Control Servo Motor |
|
Data List Display |
|---|
|
Front Air Mix Damper Control Servo Motor Actual Pulse |
OK:
The No. 1 air conditioning radiator damper servo motor operates.
| OK | | INSPECT REFRIGERANT PRESSURE WITH MANIFOLD GAUGE SET |
| NG | | GO TO DTC TROUBLESHOOTING PROCEDURE FOR MALFUNCTIONING DAMPER SERVO MOTOR |
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