Hyundai Robex 210LC-7 — understanding the Charging Circuit in Engine Start Systems [169/181]

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CHECK POINT

3. CHARGING CIRCUIT (#1001 and up, TIER II)

When the starter is activated and the engine is started, the operator releases the key switch to the ON

position.

Charging current generated by operating alternator flows into the battery through the battery relay

(CR-1).

The current also flows from alternator to each electrical component and controller through the fuse box.

OPERATING FLOW

Warning flow

Alternator "I" terminal I/conn 〔CN-3(3)〕 CPU alternator level 〔CN-51(9)〕

Cluster charging warning lamp(Via serial interface)

Charging flow

Alternator "B

" terminal Battery relay(M8) Battery(+) terminal

Reset button 〔CN-60〕 Fuse box

(1)

(2)

※ GND : Ground

Engine Start switch Check point

Voltage

Run ON

① - GND(Battery voltage)

② - GND(Battery relay)

③ - GND(Alternator B

terminal)

④ - GND(Alternator I terminal)

⑤ - GND(CPU)

20~30