The A/C Control Module sets DTC B1234 if In-Car temperature sensor signal is at or over 4.9V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage check | 1. Faulty A/C control module(In-car temperature sensor embedded) |
Enable Conditions |
•
Ignition "ON" | |
Threshold value |
•
Sensor signal is at or over 4.9V for 0.3 seconds | |
Failsafe |
•
Substituted In-Car Temp. = 25℃ (77℉) |
