CHECK POWER SUPPLY CIRCUIT.

1) Turn the ignition switch to ON (engine is OFF).

2) Measure the ignition power supply voltage between the VDCCM connector and chassis ground.

Connector & terminal

(B310) No. 28 (+) — Chassis ground (−):

QUESTION

Is the voltage 10 V or more?

Yes No

Repair open circuit of harness between VDCCM and battery.