DTC B1242 sets if Evaporator sensor signal is at or over 4.9V for 0.3 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 Unit |
Enable Conditions |
•
Ignition ON | |
Threshold value |
•
Evaporator sensor signal is at or over 4.9V for 0.3 seconds. | |
Failsafe |
•
Control with the value of -2℃(28.4℉) |
