CHECK HARNESS BETWEEN ECM AND DATA LINK CONNECTOR.

Measure the resistance between ECM and data link connector.

Connector & terminal

(B135) No. 1 — (B40) No. 11:

(B135) No. 2 — (B40) No. 3:

QUESTION

Is the resistance 1 Ω or less?

Yes No

Repair the harness and connector.

NOTE:

In this case, repair the following item:

Open circuit of harness between ECM and data link connector

Poor contact of joint connector