The Air conditioner Control Module sets DTC B1281 if The signal from auto defogger sensor has been detected short to ground in ground circuit for 2 seconds.
Item | Detecting Condition | Possible Cause |
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 |
•
Short to ground in signal circuit for 2 seconds | |
Failsafe |
•
Air Conditioner Control Module Controls humidity as 0% |
