B10AC

B10AC - RIGHT BLEND DOOR CONTROL CIRCUIT OPEN (ATC)

B10AC - Right Blend Door Control Circuit Open (ATC):

WHEN MONITORED
When actuator movement is requested.

SET CONDITION
If the (C61) Right Blend Door Driver circuit or the (C161) Right Blend Door Common Driver circuit is open.

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.

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

YES: Diagnose and repair the DTC(s).
NO: Go To 2




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.

Q: Is the resistance above 70.0 ohms?

YES: Go To 3
NO: Replace the A/C Heater Control. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test




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.

Q: the resistance below 5.0 ohms?

YES: Go To 4
NO: Repair the (C61) Right Blend Door Driver circuit for an open. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test




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.

Q: Is the resistance below 5.0 ohms?

YES: Replace the Right Blend Door Actuator. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test
NO: Repair the (C161) Right Blend Door Common Driver circuit for an open. Perform BODY VERIFICATION TEST - VER 1. Body Verification Test