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When the blower air temperature can not be changed even if the amount of solar radiation
is changed, the photo sensor may be defective.
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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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The displayed voltage changes in accordance with the amount of solar radiation. (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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Q.
Is the check result normal?
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- Check the A/C compressor relay power supply line for open circuit.
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Q.
Is the check result normal?
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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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