The Air conditioner Control Module sets DTC B1672 when APT signal has not been received through the CAN signal.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check CAN signal | 1. Poor connection in power supply circuit of A/C Control Module 2. Open in A/C Control Module C- CAN communication line 3. Short to ground in C-CAN communication line 4. Short to battery in C-CAN communication line 5. Faulty APT Sensor 6. Faulty Engine system |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
No receiving CAN signal for 1.5 seconds or Receiving Error value | |
Failsafe |
•
Substitued APT value as 0Kpa. |
