id0702c1800400
| DTC B1251, B1253, B1255, B1257, B1947, B2014, B1282, B1283, B1274, B1275 |
Climate control unit (+5 V power supply or sensor ground) system |
|---|---|
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POSSIBLE CAUSE
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• Open circuit in wiring harnesses between climate control unit and each temperature sensor, air mix actuator, or airflow mode actuator
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Diagnostic Procedure
| STEP |
INSPECTION |
ACTION |
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|---|---|---|---|
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1
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• Disconnect the climate control unit connector and the evaporator temperature sensor connector.
• Is there an open circuit in the wiring harness between climate control unit terminal 1C and evaporator temperature 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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Inspect the connection of the climate control unit connector.
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 |
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