If Intake potentiometer feedback signal circuit short is detected, A/C control module sets DTC B1209.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage Monitoring | 1. Poor Connector Connection 2. Signal Circuit Short 3. Defected Intake Actuator 4. Defected A/C Control Module |
Enable Conditions |
•
Ignition Switch "ON" | |
Threshold value |
•
Intake Actuator Feedback Circuit short or Feedback signal is higher than 4.9 V for more than 0.3 sec. | |
Fail Safe |
•
If Fresh is selected : Actuator is positioned at FRE mode.
•
If Recirculation is selected : Actuator is positioned at REC mode. | |
Clear Condition |
•
Ignition Switch "OFF" or Voltage Returns to Normal State |