CHECK BATTERY SHORT CIRCUIT IN THE RELAY BOX CONTACT POINT CIRCUIT.

1) Disconnect the connectors (B370) (LHD model) and (F90) (RHD model) from relay box.

2) Measure the voltage between the relay box connector and chassis ground.

Connector & terminal

(VDC4) No. 5 (+) — Chassis ground (−):

(VDC4) No. 1 (+) — Chassis ground (−):

QUESTION

Is the voltage less than 1 V?

Yes No

Replace the relay box. Check fuse No. 8 and SBF3.