The Air conditioner Control Module sets DTC B1202 when engine coolant temperature sensor signal is at or over 4.9V for 4sec.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Monitoring the Voltage | 1. Poor connection of connected part 2. Short to battery in signal circuit 3. Faulty engine coolant temperature sensor 4. Faulty A/C Control Module |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
Engine coolant temperature sensor signal is at or over 4.9V for 4sec | |
Failsafe |
•
Control with the value of 85℃(185℉) |
