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Check For an Open In One Side of CAN Sub Bus Line

CHECK FOR AN OPEN IN ONE SIDE OF CAN SUB BUS LINE

CIRCUIT DESCRIPTION

Circuit Description:




If 2 or more ECUs and/or sensors do not appear on the hand-held tester's "BUS CHECK" screen via the CAN VIM, one side of the CAN sub-bus line may be open. (One side of the CAN-H [sub-bus line]/CAN-L [sub-bus line] of the ECU and/or sensor is open.)

Wiring Diagram:






Step 1 - 3:




Step 4 - 7:




Step 8 - 11:




Step 12:




INSPECTION PROCEDURE