The Air conditioner Control Module sets DTC B1233 when In-car temperature sensor signal is at or below 0.1V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage check | 1. Short to ground in signal circuit 2. Faulty In-car temperature sensor 3. Faulty A/C control Module |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
In-car temperature sensor signal is at or below 0.1V for 0.3 seconds | |
Failsafe |
•
Control with the value of 25℃(77℉) |
