If Direction Potentiometer circuit open is detected, A/C control module sets DTC B1250.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage Monitoring | 1. Poor Connector Connection 2. Signal Circuit Short 3. Defected Mode Control Actuator 4. Defected A/C Control Module |
Enable Conditions |
•
Ignition Switch "ON" | |
Threshold value |
•
Mode Door Position Feedback Circuit open or Feedback signal is less than 4.9 V for more than 0.3 sec. | |
Fail Safe |
•
If Vent mode is selected : Actuator is positioned at VENT mode.
•
If other mode is selected : Actuator is positioned at DEF mode. | |
Clear Condition |
•
Ignition Switch "OFF" or Voltage Returns to Normal State |
