System Description
SYSTEM DIAGRAM
| Component | Function |
|---|---|
| Starter motor | Refer to Starter Motor (PR25DD Engine Models) or Starter Motor (KR15DDT Engine Models) . |
| IPDM E/R | CPU inside IPDM E/R controls starter relay. Refer to Component Location . |
| BCM | BCM controls starter cut relay. Refer to Component Location . |
| Starter cut relay | Power is supplied to the starter cut relay with BCM control. |
SYSTEM DESCRIPTION
- "B" terminal is constantly supplied with 12 V battery power.
- When starter operating condition is satisfied, IPDM E/R turns starter relay ON by starter relay control signal.
- When engine cranking condition is satisfied, BCM turns starter cut relay ON by starter cut relay control signal.
- Then 12 V battery power is supplied to starter motor ("S" terminal) through starter cut relay and starter relay.