The A/C control module sets DTC B1250 if the Feed Back signal of Driver Direction potentiometer(Mode Actuator) has been detected over 4.9V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage check | 1. Poor Connection in harness 2. Short in signal circuit(Feedback signal) 3. Driver Direction potentiometer(Mode Actuator) 4. Faulty A/C Control Module |
Enable Conditions |
•
Ignition "ON" | |
Threshold value |
•
Mode Actuator sensor signal is at or over 4.9V for 0.3 seconds | |
Failsafe |
•
Actuator positions to VENT on VENT MODE.
•
Actuator positions to DEF on any other MODE. |