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This code is set when the fin thermo sensor circuit is short (Code No.B1031) or is open
(Code No.B1032).
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- Malfunction of the fin thermo sensor
- Damaged wiring harness or connectors
- Malfunction of the heater controller assembly (A/C-ECU)
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Check that the following service data display contents are normal. (Refer to ).
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Item No.20: Air thermo sensor
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Q.
Is the check result normal?
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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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Q.
Is the check result normal?
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Replace the air mixing damper control motor and potentiometer.
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Q.
Is the diagnosis code set?
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Replace the heater controller assembly (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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