CHECK HARNESS.

Using the tester, check for open or short (power supply-output short, GND-output short) in the harness between terminals of data link connector and TCM.

Connector & terminal

(B40) No. 14 — (B55) No. 17:

(B40) No. 6 — (B55) No. 18:

QUESTION

Is harness normal?

Yes No

Replace the TCM.

Repair or replace the harness.