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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 A/C control panel (A/C-ECU)
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Q.
Is the check result normal?
Go to Step 2.
Repair the connector.
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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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(3)Measure the voltage between terminal 1 and body earth. OK: System voltage
Q.
Is the check result normal?
Go to Step 4.
Go to Step 3.
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note |
Prior to the wiring harness inspection, check junction block connectors C-209 and C-207,
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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Q.
Is the check result normal?
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Replace the outside/inside air selection damper control motor.
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Q.
Is the check result normal?
Go to Step 6.
Repair the connector.
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- Check the motor activating lines for open or short circuit.
Q.
Is the check result normal?
Replace the automatic A/C control panel (A/C-ECU).
Repair the wiring harness.
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