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This code is set when the rear air mixing
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 rear air mixing 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 12: R.Air mix potentiometer
- Item 13: R.Air mix potentiometer (Target)
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Q.
Is the check result normal?
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![](../../../img/55/AC313406AB00ENG.png)
![](../../../img/55/AC313416AB00ENG.png)
![](../../../img/55/AC313478AC00ENG.png)
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Q.
Is the check result normal?
Go to Step 3.
Repair the connector.
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![](../../../img/55/AC313407AD00ENG.png)
![](../../../img/55/AC313417AD00ENG.png)
![](../../../img/55/AC313478AB00ENG.png)
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note |
Prior to the wiring harness inspection, check
intermediate connector G-13 and C-15, 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 rear air mixing 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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