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This code is set when the ambient temperature
sensor circuit is short (Code No.B1011) or is open (Code
No.B1012).
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- Malfunction of the ambient temperature sensor
- Damaged the wiring harness and connectors
- Malfunction of the automatic A/C control panel
(A/C-ECU)
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Q.
Is the check result normal?
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- Check the sensor signal line and earth line for open or short
circuit.
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Q.
Is the check result normal?
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Repair
the wiring harness.
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Q.
Is the check result normal?
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Replace the ambient temperature
sensor.
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Q.
Is the diagnosis code set?
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Replace the automatic A/C 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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