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STEP
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INSPECTION
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ACTION
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|---|---|---|---|
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1
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• Inspect the solar radiation sensor. (See SOLAR RADIATION SENSOR INSPECTION.)
• Is it normal?
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Yes
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Go to the next step.
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No
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Replace the solar radiation sensor. (See SOLAR RADIATION SENSOR REMOVAL/INSTALLATION.)
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2
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• Disconnect the climate control unit connector and the solar radiation sensor connector.
• Is there an open circuit in the wiring harness between the following terminals of the climate control unit and the solar radiation sensor?
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Yes
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Repair the wiring harness.
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No
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Go to the next step.
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||
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3
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• Is there a short circuit to ground in the wiring harness between climate control unit terminal Q and solar radiation sensor terminal B?
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Yes
|
Repair the wiring harness.
|
|
No
|
Connect the climate control unit connector, then go to the next step.
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|
4
|
• Turn the ignition switch to the ON position.
• Inspect the voltage at the following climate control unit terminal (wiring harness-side).
• Is the voltage normal? (approx. 5 V)
|
Yes
|
The system is normal at present. (Clear the malfunction from the memory.)
|
|
No
|
Inspect the connection of the climate control unit connector. (See CLIMATE CONTROL UNIT INSPECTION [FULL-AUTO AIR CONDITIONER].)
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