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Home >> Nissan-Datsun >> 2012 >> Leaf SL >> Repair and Diagnosis >> Hybrid/Electric Powertrain >> Electric Converters and Controllers >> EV Control System >> System Description >> System >> Li-Ion Battery Charge Control >> LI-ION BATTERY CHARGE CONTROL: Normal Charge Control >> Basic Control
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Basic Control

When EVSE is connected under the power switch OFF condition, VCM judges that the system is in a charge mode and activates the F/S relay and M/C relay to allow charging operation.

Then, VCM determines the charge power based on the Li-ion battery chargeable power signal received from the Li-ion battery controller and the on-board charger chargeable power signal received from the on-board charger. VCM then sends the maximum charge power signal to the on-board charger.

The on-board charger determines a charge power based on the maximum charge power signal and the maximum input current signal sent by the EVSE control box.

Concurrently, the on-board charger activates the normal charge relay and VCM activates the system main relay 1 and system main relay 2. Consequently, Li-ion battery charge starts.

NOTE: Li-ion battery charge does not start when the power switch is ON. When it is required to charge with the power switch ON, start charging before turning ON the power switch.
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