The Air conditioner Control Module sets DTC B1685 if Engine RPM signal has not been received through the CAN signal.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check CAN signal | 1. Faulty Engine RPM 2. CAN communication |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
No signal via CAN for 1.5 seconds or receiving Error value | |
Failsafe |
•
Substitued Engine RPM value as '650' |
