If Air Mix Potentiometer circuit open is detected, A/C control module sets DTC B1246.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage Monitoring | 1. Poor Connector Connection 2. Signal Circuit Short 3. Defected Driver Temperature Actuator 4. Defected A/C Control Module |
Enable Conditions |
•
Ignition Switch "ON" | |
Threshold value |
•
Driver Temperature Door Position Feedback Circuit open or Feedback signal is higer than 4.9 V for more than 0.3 sec. | |
Fail Safe |
•
In case driver set temperature is below 24.5℃(76.1℉) : Actuator is positioned at Cool mode.
•
In case driver set temperature is higher than 25℃(77℉) : Actuator is positioned at Warm mode. | |
Clear Condition |
•
Ignition Switch "OFF" or Voltage Returns to Normal State |
