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- Malfunction of photo sensor
- Damaged harness wires and connectors
- Malfunction of the A/C-ECU
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Check whether the A/C sets a diagnosis code or not.
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Q.
Is the check result normal?
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Refer to diagnosis code chart .
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Check that the following data list display contents are normal. (Refer to .)
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Q.
Is the check result normal?
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Q.
Is the check result normal?
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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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Replace the automatic A/C control panel (A/C-ECU).
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Q.
Is the check result normal?
Go to Step 5.
Repair the connector.
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note |
Prior to the wiring harness inspection, check joint connector C-137 and C-138, and repair
if necessary.
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- Check the A/C-ECU input line for open circuit.
Q.
Is the check result normal?
Go to Step 6.
Repair the wiring harness. Check that the A/C works normally.
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Check that the A/C works normally.
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Q.
Is the check result normal?
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This diagnosis is complete.
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Replace the automatic A/C control panel (A/C-ECU).
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