Air conditioner control module receives air conditioner refrigerants pressure from ECM via CAN in order to judge how much refrigeratnts pressure is in the line. If the air conditioner pressure is abnormal, it is used for signal not to control the air conditioner compressor.
The Air conditioner Control Module sets DTC B1672 if APT signal has not been received through the CAN signal.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check CAN signal | 1. Faulty Air conditioner Pressure Sensor 2. CAN communication |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
No receiving CAN signal for 0.1 seconds or Receiving Error value | |
Failsafe |
•
Substitued APT value as '0' |
