DTC B2967 or DTC indicator J and AUTO:
An Open in the Humidity Sensor Circuit
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Clear the DTC with the HDS.
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Turn the ignition switch to LOCK (0), and then to ON (II).
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Check for DTCs.
Is DTC B2967 or J and AUTO indicated?
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YES
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-
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NO
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-
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Intermittent failure, check for loose wires or poor connections on the humidity sensor circuit.■
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Turn the ignition switch to LOCK (0).
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Disconnect the climate control unit 36P connector.
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Disconnect the humidity/in-car temperature sensor 4P connector.
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Check for continuity between the following terminals of the climate control unit 36P connector and the humidity/in-car temperature sensor 4P connector.
36P:
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4P:
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No. 1
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No. 2
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No. 3
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No. 4
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No. 24
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No. 3
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YES
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-
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NO
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-
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Repair open in the wires between the climate control unit and the humidity sensor.■
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Reconnect the humidity/in-car temperature sensor 4P connector.
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Reconnect the climate control unit 36P connector.
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Is the humidity sensor OK?
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YES
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-
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Check for loose wires or poor connections at the climate control unit 36P connector and at the humidity/in-car temperature sensor 4P connector. If the connections are good, substitute a known-good climate control unit, and recheck. If the symptom/indication goes away, replace the original
climate control unit
.■
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NO
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-
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