S2000 L4-2.2L (2004)
YES - Repair any short to body ground in the wire(s) between the heater control panel and the recirculation control motor.
NO - Go to step 9.
9. Turn the ignition switch ON (II), and check the same terminals for voltage.
Is there any voltage?
YES - Repair any short to power in the wire(s) between the heater control panel and the recirculation control motor This short may also damage
the heater control panel Repair the short to power before replacing the heater control panel.
NO - Go to step 10.
10. Turn the ignition switch OFF, and check for continuity between the following terminals of the heater control panel 30? connector and the
recirculation control motor 7P connector.
30P: 7P:
No.15 No.5
No.16 No.7
Is there continuity?
YES - Check for loose wires or poor connections at the heater control panel 30P connector and at the recirculation control motor 7P 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.
11. Remove the recirculation control motor.
12. 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.
