The A/C Control Module sets DTC B1242 if Evaporator sensor signal is at or over 4.9V for 0.3 seconds.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Voltage check | 1. Poor connection of connected part 2. Open in signal circuit 3. Short to battery in signal circuit 4. Faulty Evaporator sensor 5. Faulty A/C Control module |
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℉) |
