QR25DE: Component Description
| Component part | Description |
|---|---|
| Transmission range switch | Transmission range switch supplies power to the starter relay and starter control relay inside the IPDM E/R when the shift selector is placed in the P or N position. |
| BCM | BCM controls the starter relay inside IPDM E/R. |
| IPDM E/R | CPU inside IPDM E/R operates the starter relay when the ignition switch is in the start position. |
| Starter motor | The starter motor plunger closes and the motor is supplied with battery power, which in turn cranks the engine, when the S terminal is supplied with electric power. |
Scheme 1
VQ35DE: Component Description
| Component part | Description |
|---|---|
| Transmission range switch | Transmission range switch supplies power to the starter relay and starter control relay inside the IPDM E/R when the shift selector is placed in the P or N position. |
| BCM | BCM controls the starter relay inside IPDM E/R. |
| IPDM E/R | CPU inside IPDM E/R operates the starter relay when the ignition switch is in the start position. |
| Starter motor | The starter motor plunger closes and the motor is supplied with battery power, which in turn cranks the engine, when the S terminal is supplied with electric power. |
Scheme 2
System Description
The starter motor plunger closes and provides a closed circuit between the battery and the starter motor. The starter motor is grounded to the cylinder block. With power and ground supplied, the starter motor operates.
Component Description
| Component part | Description |
|---|---|
| Transmission range switch | Transmission range switch supplies power to the starter relay and starter control relay inside the IPDM E/R when the shift selector is placed in the P or N position. |
| BCM | BCM controls the starter relay inside IPDM E/R. |
| IPDM E/R | CPU inside IPDM E/R controls the starter control relay. |
| Starter motor | The starter motor plunger closes and the motor is supplied with battery power, which in turn cranks the engine, when the "S" terminal is supplied with electric power. |
Scheme 3
Scheme 4
Scheme 5
Scheme 6
Scheme 7
Description
Terminal "B" is constantly supplied with battery power.
The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P (Park) or N (Neutral) position.