DTC indicator P or DTC B1237: A Short in the Passenger's Air Mix Control Motor Circuit

1. Clear the DTC.

1. Turn the ignition switch OFF, and then ON.

1. Operate the climate control system is several modes.

1. Check the DTCs.

Is DTC P or B1237 indicated?

YES | - | Go to Step 5 .
NO | - | Intermittent failure.■

1. Test the passenger's air mix control motor.

Is the passenger's air mix control motor OK?

YES | - | Go to Step 6 .
NO | - | Replace the passenger's air mix control motor.■

1. Disconnect the passenger's air mix control motor 7P connector.

1. Disconnect climate control unit connector A (22P).

1. Check for continuity between body ground and climate control unit connector A (22P) terminals No. 2, 10, 15, 20 and 22 individually.

Is there continuity?

YES | - | Repair any short to body ground in the wire(s) between the climate control unit and the passenger's air mix control motor.■
NO | - | Go to Step 9 .