The Airconditioner Control Module sets DTC B1283 when the feedback signal of auto defogger actuator has been detected below 0.1V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitoring the Voltage | 1. Poor connection in wiring harness 2. Open in signal(Feedback signal) circuit 3. Open in power circuit 4. Short to ground in signal(Feedback signal) circuit 5. Short to ground in power circuit 6. Faulty auto defogger actuator 7. Faulty A/C control Module |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
Feedback signal has been detected below 0.1V for 0.3 seconds | |
Failsafe |
•
If selected Mode was VENT, it is moved and fixed at Close position
•
If the others mode, it is moved and fixed at Open position |
