The Air conditioner Control Module sets DTC B1242 if Evaporator sensor signal is at or over 4.9V for 4 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage check | 1. Open in signal circuit 2. Short to battery in signal circuit 3. Faulty Evaporator sensor 4. Faulty Air conditioner control Module |
Enable Conditions |
•
Ignition ON | |
Threshold value |
•
Evaporator sensor signal is at or over 4.9V for 4 seconds | |
Failsafe |
•
Control with the value of -2℃(28.4℉) |
