FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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9000 - 9999: 9301







9301-BLEND AIR DOOR CONTROL CIRCUIT PERFORMANCE





For a complete wiring diagram Consult Diagrams/Electrical.

- When Monitored:
With the Ignition Switch in the on position and the Cluster (CCN) is awake.

- Set Condition:
This code will set when the Blend Air Door Control circuit is open or shorted to voltage.





Diagnostic Test

1. TEST FOR INTERMITTENT CONDITION
Turn the ignition on.
With the scan tool, record and erase all HVAC DTC's.
Operate the HVAC system.
Wait 30 seconds.
With the scan tool, read all HVAC DTC's.
Does the scan tool display this DTC as active?

Yes

- Go To 2

No

- The condition that caused this symptom is currently not present. Check for an intermittent condition by inspecting the related wiring harness for chafed, pierced, pinched, and partially broken wires. Also, inspect the related connectors for broken, bent, pushed out, spread, corroded, or contaminated terminals. Repair as necessary.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests

2. BLEND AIR DOOR CONTROL CIRCUIT SHORTED TO VOLTAGE
Turn the ignition off.
Disconnect the HVAC harness connectors.
Disconnect the Blend Air Door Actuator harness connector.
Turn the ignition on.
Measure the voltage of the Blend Air Door Control circuit.
Is there any voltage present?

Yes

- Repair the Blend Air Door Control circuit for a short to voltage.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests.

No

- Go to 3

3. BLEND AIR DOOR CONTROL CIRCUIT OPEN
Turn the ignition off.
Measure the resistance of the Blend Air Door Control circuit.
Does the ohm meter read open circuit?

Yes

- Repair the Blend Air Door Control circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests.

No

- Go To 4

4. BLEND AIR DOOR GROUND CIRCUIT SHORTED TO VOLTAGE
Turn the ignition on.
Measure the voltage of the Blend Air Door Ground circuit.
Is there any voltage present?

Yes

- Repair the Blend Air Door Ground circuit for a short to voltage.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests.

No

- Go to 5

5. BLEND AIR DOOR GROUND CIRCUIT OPEN
Turn the ignition off.
Measure the resistance of the Blend Air Door Ground circuit.
Does the ohm meter read open circuit?

Yes

- Repair the Blend Air Door Ground circuit for an open.
- Perform BODY VERIFICATION TEST - VER 1. Verification Tests.

No

- Replace the A/C Heater Control.
- Perform BODY VERIFICATION TEST - VER 1.Verification Tests