CHECK INPUT VOLTAGE OF MAIN RELAY.

Measure the voltage between main relay connector and chassis ground.

Connector & terminal

LHD model with push button start

(B220) No. 38 (+) — Chassis ground (−):
(B220) No. 39 (+) — Chassis ground (−):

Except for LHD model with push button start

(B220) No. 37 (+) — Chassis ground (−):
(B220) No. 39 (+) — Chassis ground (−):

QUESTION
Is the voltage 10 V or more?
Yes	No
	Repair the open or ground short circuit of power supply circuit.