DTC Troubleshooting: 5

DTC indicator 5:  A Problem in the Mode Control Linkage, Doors, or Motor

1.Clear the DTC.

2.Turn the ignition switch OFF, and then ON (II).

3.Do the self-diagnostic with the HVAC control unit.

4.Check for DTCs.

Is DTC 5 indicated?


YES - Go to 5.


NO - Intermittent failure.n


5.Turn the ignition switch OFF.

6.Test the mode control motor.

Is the mode control motor OK?


YES - Substitute a known-good HVAC control unit, and recheck. If the symptom/indication goes away, replace the original  HVAC control unit.n


NO - Replace the mode control motor, or repair the mode control linkage or doors.n