Open in One Side of CAN Sub Bus Line
Open in One Side of CAN Sub Bus LineDESCRIPTION
If 2 or more ECUs and/or sensors do not appear on the intelligent tester "BUS CHECK" screen via the CAN VIM, one side of the CAN sub-bus lines may be open. (One side of the CAN-H [sub-bus line] and CAN-L [sub-bus line] of the ECU and/or sensor is open.)
Wiring Diagram:
Step 1-2:
Step 2 (Continued):
INSPECTION PROCEDURE
HINT:
- Perform the following inspections for the ECUs (sensors) that are not displayed on the intelligent tester first. If a malfunction is still not able to be identified, perform the following inspections for all other ECUs (sensors) connected to the CAN communication system.
- The basic inspection procedures that can be used for all related ECUs in common are shown below. "ECU A" represents the following: HV control ECU, steering sensor, yaw rate sensor, skid control ECU, network gateway ECU, television camera ECU, power steering ECU, distance control ECU.