Measure the resistance between ABSCM&H/U connector and data link connector.
Connector & terminal
LHD model
(B301) No. 7 — (B40) No. 7:
RHD model
(F49) No. 7 — (B40) No. 7:
Is the resistance less than 0.5 Ω?
Repair harness and connector between ABSCM&H/U and data link connector.