B2967

DTC Troubleshooting: B2967 (J and AUTO)

DTC B2967 or DTC indicator J and AUTO:

An Open in the Humidity Sensor Circuit

1. Clear the DTCs with the HDS.

2. Turn the ignition switch to LOCK (0) and then back to ON (II).

3. Do the self-diagnostic function with the HDS or the climate control unit.

4. Check for DTCs.

Is DTC B2967 or J and AUTO indicated?

YES -

Go to step 5.

NO -

Intermittent failure, check for loose wires or poor connections in the humidity sensor circuit.

5. Turn the ignition switch to LOCK (0).

6. Disconnect the climate control unit 36P connector.

7. Disconnect the humidity/in-car temperature sensor 4P connector and air mix control motor 7P connector.

8. Check for continuity between the following terminals of the climate control unit 36P connector and the humidity/in-car temperature sensor 4P connector.









Is there continuity?

YES -

Go to step 9.

NO -

Repair an open in the wires between the climate control unit and the humidity sensor.

9. Reconnect the humidity/in-car temperature sensor 4P connector.

10. Reconnect the climate control unit 36P connector.

11. Test the humidity sensor Testing and Inspection.

Is the humidity sensor OK?

YES -

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 Climate Control Unit Removal/Installation.

NO -

Replace the humidity/in-car temperature sensor Humidity/In-Car Temperature Sensor Replacement.