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This code is set when the ambient temperature sensor circuit is open (Code No.B1012) or
is short (Code No.B1011).
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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?
Go to Step 2.
Repair the connector.
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note |
Prior to the wiring harness inspection, check intermediate connector C-137, and repair
if necessary.
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- Check the sensor signal line and earth line for open or short circuit.
Q.
Is the check result normal?
Go to Step 3.
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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