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STEP
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INSPECTION
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ACTION
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1
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• Disconnect the climate control unit connector and the airflow mode actuator connector.
• Is there an open circuit in the wiring harness between climate control unit terminal P and airflow mode actuator terminal B?
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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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2
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• Is there a short circuit to ground in the wiring harness between climate control unit terminal P and airflow mode actuator terminal B?
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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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3
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• Is there a short circuit to ground in the wiring harness between climate control unit terminal P and air mix actuator terminal A?
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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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4
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• Is there a short circuit to ground in the wiring harness between climate control unit terminal P and solar radiation sensor terminal A?
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Yes
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Repair the wiring harness.
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No
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The system is normal at present. (Clear the past malfunction from the memory.)
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