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If the air recirculation cannot be changed by using the inside air/outside air
changeover switch, the inside air/outside air changeover motor system may be faulty.
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- Malfunction of the outside/inside air selection damper control motor
- Damaged wiring harness or connectors
- Malfunction of the auto A/C controller assembly (A/C-ECU).
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Check that the diagnosis code related to the air conditioner is not set.
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Q.
Is the diagnosis code set?
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Carry out the diagnosis code procedures. Refer to .
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Carry out the actuator test (Refer to ).
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Item No.5: In/out selection damper/
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Q.
Does the blower motor work normally?
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This diagnosis is complete.
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Q.
Is the check result normal?
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Repair the connector(s) or wiring harness.
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All the following items in the data list should be normal.
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Item No.45: In/out select damper poten (target) Item No.46: In/out select damper potentiometer
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Q.
Is the check result normal?
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Replace the auto A/C controller assembly (A/C-ECU).
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Check to see that the outside air/inside air circulation switching damper motor
operates normally.
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Q.
Is the check result normal?
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This diagnosis is complete.
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Replace the auto A/C controller assembly (A/C-ECU)
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