DTC B2967 or DTC indicator J and AUTO: An Open in the Humidity Sensor Circuit

WARNING: This page is about a different car, the 2011 Honda Insight and 2010 Honda Insight. However, it is still accessible from the selected car via links, so may be relevant.

Clear the DTC with the HDS.
Turn the ignition switch to LOCK (0) and then to ON (II).
Do the self-diagnostic function with the HDS> (see HOW TO USE THE SELF-DIAGNOSTIC FUNCTION WITH THE HDS ) or the climate control unit (see HOW TO USE THE SELF-DIAGNOSTIC FUNCTION WITHOUT THE HDS ).
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.
Turn the ignition switch to LOCK (0).
Disconnect the climate control unit 36P connector.
Disconnect the humidity/in-car temperature sensor 4P connector and air mix control motor 7P connector.
Check for continuity between the following terminals of the climate control unit 36P connector and the humidity/in-car temperature sensor 4P connector.
36P: 4P:

No. 1 No. 2

No. 3 No. 4

No. 24 No. 3

Fig 1: Checking Continuity Between Climate Control Unit 36P Connector And Humidity/In-Car Temperature Sensor 4P Connector
Courtesy of AMERICAN HONDA MOTOR CO., INC.

Is there continuity?

YES -Go to step 9.

NO -Repair an open in the wires between the climate control unit and the humidity sensor.
Reconnect the humidity/in-car temperature sensor 4P connector.
Reconnect the climate control unit 36P connector.
Test the humidity sensor (see HUMIDITY SENSOR TEST ).
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.

NO -Replace the humidity/in-car temperature sensor (see HUMIDITY/IN-CAR TEMPERATURE SENSOR REPLACEMENT ).