MDX V6-3471cc 3.5L (2002)
Air Door Actuator / Motor: Testing and Inspection
Recirculation Control Motor Circuit Troubleshooting
Recirculation Control Motor Circuit Troubleshooting
1. Check the No.3 (7.5A) fuse in the driver's under-dash fuse/relay box.
Is the fuse OK?
YES - Go to step 2.
NO - Replace the fuse, and recheck.
2. Disconnect the recirculation control motor 7P connector.
3. Turn the ignition switch ON (II).
4. Measure the voltage between the No.1 terminal of the recirculation control motor 7P connector and body ground.
Is there battery voltage?
YES - Go to step 5.
NO - Repair open in the wire between the No.3 fuse in the driver's under-dash fuse/relay box and the recirculation control motor.
5. Turn the ignition switch OFF.
6. Test the recirculation control motor.
Is the recirculation control motor OK?
YES - Go to step 7.
NO - Go to step 12.
7. Disconnect climate control unit connector B (26P).
8. Check for continuity between the No.23 and No.24 terminals of climate control unit connector B (26P) and body ground individually.
Is there continuity?
YES - Repair any short to body ground in the wire(s) between the climate control unit and the recirculation control motor.
