2007 Commander XK Factory Service Manual 24 - HEATING & AIR CONDITIONING

B10AC-RIGHT BLEND DOOR CONTROL CIRCUIT OPEN (ATC)





For a complete wiring diagram Refer to Section 8W.



Possible Causes
 
(C61) RIGHT BLEND DOOR DRIVER CIRCUIT OPEN
 
(C161) RIGHT BLEND DOOR COMMON DRIVER CIRCUIT OPEN
 
RIGHT BLEND DOOR ACTUATOR
 
A/C HEATER CONTROL
 




Diagnostic Test

1. CHECK FOR ACTIVE CONTROL CIRCUIT/PERFORMANCE DTCs

Turn the ignition on.
With the scan tool, read active HVAC DTCs.

Does the scan tool display any active: XXXX CONTROL CIRCUIT/PERFORMANCE DTCs?

Yes


No

2. CHECK THE RIGHT BLEND DOOR ACTUATOR CIRCUIT RESISTANCE



Turn the ignition off.
Disconnect the A/C Heater Control C2 harness connector.
Measure the resistance between the (C61) Right Blend Door Driver circuit and the (C161) Right Blend Door Common Driver circuit in the A/C Heater Control C2 harness connector.

Is the resistance above 70.0 ohms?

Yes


No

3. CHECK THE (C61) RIGHT BLEND DOOR DRIVER CIRCUIT FOR AN OPEN



Disconnect the Right Blend Door Actuator harness connector.
Measure the resistance of the (C61) Right Blend Door Driver circuit between the Right Blend Door Actuator harness connector and the A/C Heater Control C2 harness connector.

Is the resistance below 5.0 ohms?

Yes


No

4. CHECK THE (C161) RIGHT BLEND DOOR COMMON DRIVER CIRCUIT FOR AN OPEN



Measure the resistance of the (C161) Right Blend Door Common Driver circuit between the Right Blend Door Actuator harness connector and the A/C Heater Control C2 harness connector.

Is the resistance below 5.0 ohms?

Yes


No