VC Output Circuit [06/2016 - ]: Description

The ECM constantly generates 5 V power from the battery voltages supplied to the +B terminal and +B2 terminal to operate the microprocessor. The ECM also provides this power to the sensors through the VC output circuit.

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When the VC circuit is short-circuited, the sensors that are supplied with power through the VC circuit are deactivated because the power is not supplied from the VC circuit.