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When inside air cannot be changed
to outside air vice versa even if its changeover switch
is on, the outside/inside air selection damper control
motor system may be defective.
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- Malfunction of the outside/inside air
selection damper control motor
- Damaged the wiring harness or connectors
- Malfunction of the automatic air conditioner control
panel (A/C-ECU)
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Check that the A/C switch,
rear window defogger switch and air volume control
dial can operate.
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Q.
Is the check result normal?
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INSPECTION PROCEDURE
32: Refer to A/C-ECU power supply system <RHD
Except vehicles for Hong Kong and Singapore> .
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Carry out the actuator test. (Refer
to .)
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- Item 30: In/out changeover dumper:
Recirc
- Item 31: In/out changeover dumper:
Fresh
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Q.
Does the blower motor work normally?
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Replace the
automatic air conditioner control panel
(A/C-ECU).
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![](../../../img/55/AC313404AF00ENG.png)
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Q.
Is the check result normal?
Go to Step
4.
Repair
the connector.
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![](../../../img/55/AC313404AF00ENG.png)
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(1)Disconnect the connector, and
measure at the wiring harness side. (2)Turn the ignition
switch to the ON position.
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![](../../../img/55/AC310507AR00ENG.png)
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(3)Measure the voltage between
terminal 1 and body earth. OK: System
voltage
Q.
Is the check result normal?
Go to Step
6.
Go to Step
5.
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![](../../../img/55/AC313406AD00ENG.png)
![](../../../img/55/AC313409AE00ENG.png)
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note |
Prior to the wiring harness
inspection, check joint connector C-01 and
junction block
connectors C-205 and C-202, and repair if
necessary.
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- Check the motor power supply line for open
circuit.
Q.
Is the check result normal?
The trouble can be
an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction ).
Repair the wiring
harness.
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Refer to GROUP 55, Resistor, blower
motor and inside/outside air selection damper
control motor .
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Q.
Is the check result normal?
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Replace the
outside/inside air selection damper control
motor.
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![](../../../img/55/AC313406AC00ENG.png)
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Q.
Is the check result normal?
Go to Step
8.
Repair
the connector.
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![](../../../img/55/AC313404AF00ENG.png)
![](../../../img/55/AC313406AC00ENG.png)
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- Check the motor activating lines for open or short
circuit.
Q.
Is the check result normal?
Replace the
automatic air conditioner control panel
(A/C-ECU).
Repair the wiring
harness.
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