The Air conditioner Control Module sets DTC B1234 when In-car temperature sensor signal is at or over 4.9V for 4 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitoring the Voltage | 1. Faulty In-car temperature sensor 2. Faulty A/C Control Module |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
In-car temperature sensor signal is at or over 4.9V for 4 seconds | |
Failsafe |
•
Control with the value of 23℃(73.4℉) |
