CHECK HARNESS.

1) Disconnect all connectors (B280, B310, B55, B135 or B136, B230, B231, B450) that are connected to high speed CAN communication line.

2) Using the tester, measure the resistance between terminals of harness.

Connector & terminal

(B450) No. 7 — (B40) No. 14:

(B450) No. 6 — (B40) No. 6:

QUESTION

Is the resistance less than 10 Ω?

Yes No

Repair or replace the harness.