The Air conditioner Control Module sets DTC B1281 sets if the Auto Defogger Sensor signal is at or below 0.1V for 0.3 seconds.
Item | Detecting Condition | Detecting Condition |
DTC Strategy |
•
Voltage check | 1. Poor connection in harness 2. Open or short in signal circuit 3. Open or short in power circuit 4. Faulty Auto defogger sensor actuator 5. Faulty Air conditioner Control Module |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
Auto Defogger Sensor signal is at or below 0.1V for 0.3 seconds | |
Failsafe |
•
Air Conditioner Control Module Controls humidity as 0% |
