CHECK HARNESS GROUND SHORT BETWEEN RELAY BOX AND VDCCM.

Measure the resistance between VDCCM connector and chassis ground.

Connector & terminal

(B310) No. 22 — Chassis ground:

(B310) No. 9 — Chassis ground:

QUESTION

Is the resistance 1 MΩ or more?

Yes No

Repair the harness between VDCCM and relay box. Check the fuse SBF holder.