B109E

B109E-PANEL MODE DOOR 2 CONTROL CIRCUIT OPEN (ATC)

For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
When actuator movement is requested.

- Set Condition:
If the (C139) Rear Mode Door Driver circuit or the (C939) Rear Mode Door Common Driver circuit is open.

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

- Diagnose and repair the DTC(s).

No

- Go To 2

2. CHECK THE REAR MODE DOOR ACTUATOR CIRCUIT RESISTANCE

Turn the ignition off.
Disconnect the A/C Heater Control C2 harness connector.
Measure the resistance between the (C139) Rear Mode Door Driver circuit and the (C939) Rear Mode Door Common Driver circuit in the A/C Heater Control C2 harness connector.
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 (C139) REAR MODE DOOR DRIVER CIRCUIT FOR AN OPEN

Disconnect the Rear Mode Door Actuator harness connector.
Measure the resistance of the (C139) Rear Mode Door Driver circuit between the Rear Mode Door Actuator harness connector and the A/C Heater Control C2 harness connector.
Is the resistance below 5.0 ohms?

Yes

- Go To 4

No

- Repair the (C139) Rear Mode Door Driver circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test.

4. CHECK THE (C939) REAR MODE DOOR COMMON DRIVER CIRCUIT FOR AN OPEN

Measure the resistance of the (C939) Rear Mode Door Common Driver circuit between the Rear Mode Door Actuator harness connector and the A/C Heater Control C2 harness connector.
Is the resistance below 5.0 ohms?

No

- Replace the Rear Mode Door Actuator.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test.

Yes

- Repair the (C939) Rear Mode Door Common Driver circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Body Verification Test.