DTC B1685 sets if the engine RPM signal has not been received through the CAN lines.
Item | Detecting Condition | Possible Cause |
DTC Strategy |
•
Check CAN signal | 1. CAN communication |
Enable Conditions |
•
IG KEY ON | |
Threshold value |
•
No signal via CAN for 1.5 seconds or Error value received | |
Failsafe |
•
Substituted RPM = 650 RPM |