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This code is set when the mode selection damper
control motor potentiometer does not send any signal to the A/C-ECU
due to short or open circuit.
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- Malfunction of the mode selection damper control motor and
potentiometer
- Damaged the wiring harness or connectors
- Malfunction of the automatic air conditioner control panel
(A/C-ECU)
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Check that the following service data display
contents are normal. (Refer to .)
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- Item 14: F.Air outlet c/o potentiometer
- Item 15: F.Air outlet c/o potentiometer (Target)
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Q.
Is the check result normal?
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![](../../../img/55/AC313393AF00ENG.png)
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Q.
Is the check result normal?
Go to Step 3.
Repair the connector.
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![](../../../img/55/AC313393AG00ENG.png)
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note |
Prior to the wiring harness inspection, check joint
connector C-01, and repair if necessary.
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- Check the potentiometer power supply, earth and signal line for open
or short circuit.
Q.
Is the check result normal?
Go to Step 4.
Repair the wiring
harness.
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Q.
Is the check result normal?
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Replace the mode selection damper
control motor and potentiometer.
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Q.
Is the diagnosis code set?
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Replace the automatic air conditioner
control panel (A/C-ECU).
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The
trouble can be an intermittent malfunction (Refer to GROUP 00, How to Cope
with Intermittent Malfunction )
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