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 |
READ NEXT:
Air Vent cannot be Switched
DESCRIPTION If the air outlet mode does not change even though the air outlet display changes, the following factors may be the cause.
Symptom Factor
Air outlet mode cannot be changed
Air Vent Temperature does not Change and Right Vent is Different from Left and Vice Versa (Same Left/Right Temperature Setting)
DESCRIPTION If the temperature of the air that blows from the left and right front registers differs, even though the same temperature is set for both sides, the following factors may be the cause.
No Warm Air Comes Out
DESCRIPTION If cool 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 wa
SEE MORE:
Removal
REMOVAL CAUTION / NOTICE / HINT COMPONENTS (REMOVAL)
Procedure Part Name Code
1 STEERING WHEEL ASSEMBLY
45100 -
- -
2 LOWER STEERING COLUMN COVER
45287
- -
3 UPPER STEERING COLUMN COVER
45286B -
ABS Operates Before Necessary When Braking
DESCRIPTION
Troubleshooting for when ABS operates too soon due to a noisy
signal from the speed sensor, a difference in output, etc.
PROCEDURE
1.
PERFORM DEALER MODE (SIGNAL CHECK) INSPECTION (SPEED
SENSOR CHECK)
(a) Using the GTS, perform a Dealer Mode (Sig
