Toyota Corolla Cross: Recirculated/Fresh Air Modes do not Switch
DESCRIPTION
If the air inlet mode cannot be changed between recirculation/fresh or exhaust gas odors can be smelled even though recirculation mode is selected, the following factors may be the cause.
|
Symptom | Factor |
|---|---|
|
|
PROCEDURE
| 1. |
CHECK NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY |
(a) Check that the No. 1 blower damper servo sub-assembly is installed correctly.
OK:
The No. 1 blower damper servo sub-assembly is installed correctly.
| NG | .gif) | INSTALL NO. 1 BLOWER DAMPER SERVO SUB-ASSEMBLY |
|
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| 2. |
CHECK FOR DTC |
(a) Check for DTCs.
Body Electrical > Air Conditioner > Trouble Codes|
Result | Proceed to |
|---|---|
|
B143A87 and B143B7F is not output |
A |
| B143A87 is output |
B |
| B143B7F is output |
C |
| B |
| GO TO DTC B143A87 |
| C |
| GO TO DTC B143B7F |
|
| 3. |
READ VALUE USING GTS |
(a) Read the Data List according to the display on the GTS.
Powertrain > Engine > Data List|
Tester Display | Measurement Item |
Range | Normal Condition |
Diagnostic Note |
|---|---|---|---|---|
|
Coolant Temperature | Engine coolant temperature |
Min.: -40°C (-40°F), Max.: 140°C (284°F) |
75 to 100°C (167 to 212°F): After warming up |
This is the engine coolant temperature. HINT:
|
|
Tester Display |
|---|
| Coolant Temperature |
OK:
After warming up the engine, the temperature value displayed is within the range specified in the normal condition column.
| OK | | REPLACE AIR CONDITIONER UNIT ASSEMBLY |
| NG | | GO TO COOLING SYSTEM |
READ NEXT:
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 ai
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.
SEE MORE:
Starter Signal Circuit
DESCRIPTION While the engine is being cranked, current flows from terminal ST1 of the ignition or starter switch assembly*1 or terminal STAR of the certification ECU (smart key ECU assembly)*2 to the park/neutral position switch assembly and to terminal STA of the ECM (STA signal).
*1: w/o Smart K
Ignition Switch On/Start Position Circuit Low Circuit Short to Ground or Open (P253314)
DESCRIPTION When the ignition switch is turned to ON, the auxiliary battery power source is supplied to the IGP and IGR terminals of the ECM. When the ignition switch is off, the auxiliary battery power source is cut off.
When the ignition switch is turned off during driving, the auxiliary battery
