CHECK HARNESS.

1) Disconnect all connectors (B280, B310 or B301, B55, B135 or B136, B230, B231) that are connected to high speed CAN communication line.

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

Connector & terminal

VDC model:

(B40) No. 6 — (B135) No. 1 (non-turbo model):
(B40) No. 6 — (B136) No. 27 (turbo model):
(B40) No. 6 — (B310) No. 35:
(B40) No. 6 — (B230) No. 2:
(B40) No. 6 — (B231) No. 2:
(B40) No. 6 — (B55) No. 18:
(B40) No. 6 — (B280) No. 3:

ABS model

(B40) No. 6 — (B135) No. 1 (non-turbo model):
(B40) No. 6 — (B136) No. 27 (turbo model):
(B40) No. 6 — (B301) No. 26:
(B40) No. 6 — (B55) No. 18:
(B40) No. 6 — (B280) No. 3:

QUESTION

Is the resistance less than 10 Ω?

Yes No

Repair or replace the open circuit of harness.