The A/C Control Module sets DTC B1283 if The signal from Auto defogger humidity Potentiometer(actuator) is signal is at or below 0.1V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage check | 1. Poor Contact in harness 2. Open or short in signal (Feedback signal) circuit 3. Open or short in power circuit 4. Auto defogger humidity Potentiometer(actuator) 5. A/C Control Module |
Enable Conditions |
•
Ignition "ON" | |
Threshold value |
•
Feedback signal has been detected open or below 0.1V for 0.3 seconds | |
Failsafe |
•
If selected Mode was VENT,B/L, it is moved and fixed at Close position
•
If the others mode, it is moved and fixed at Open position |
