## Heating

#### Recirculation Control Motor Circuit Troubleshooting (cont'd)

21-36

10. Turn the ignition switch OFF.

11. Check for continuity between the following terminals of heater control panel connector A (14P) and the recirculation control motor 5P connector.

    14P: | 5P:
    No. 5 | No. 1
    No. 6 | No. 2

HEATER CONTROL PANEL CONNECTOR A (14P)

Wire side of female terminals

RECIRCULATION CONTROL MOTOR 5P CONNECTOR

Wire side of female terminals

Is there continuity?

YES - Check for loose wires or poor connections at heater control panel connector A (14P) and at the recirculation control motor 5P connector. If the connections are good, substitute a known-good heater control panel and recheck. If the symptom/indication goes away, replace the original heater control panel.

NO - Repair any open in the wire(s) between the heater control panel and the recirculation control motor.

12. Remove the recirculation control motor (see page 21-49).

13. Check the recirculation control linkage and doors for smooth movement.

Do the recirculation control linkage and doors move smoothly?

YES - Replace the recirculation control motor.

NO - Repair the recirculation control linkage or doors.