Possible Causes
| Possible Causes |
|---|
| BLEND DOOR ACTUATOR SIGNAL CIRCUIT SHORTED TO VOLTAGE |
| BLEND DOOR ACTUATOR SIGNAL CIRCUIT OPEN |
| ACTUATOR RETURN SIGNAL CIRCUIT OPEN |
| BLEND DOOR ACTUATOR SIGNAL CIRCUIT SHORTED TO 5-VOLT REFERENCE CIRCUIT |
| BLEND DOOR ACTUATOR |
| HVAC MODULE |
Always perform the PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE before proceeding. Refer to PRE-DIAGNOSTIC TROUBLESHOOTING PROCEDURE .