| TCM |
TCM supplies power to the starter relay inside the IPDM E/R when the selector lever is shifted to the P or N position. |
| BCM |
BCM sends a starter request signal to the CPU of the IPDM E/R over the CAN communication lines. |
| IPDM E/R |
CPU inside IPDM E/R operates the starter relay at the request of the BCM over the CAN communication lines. |
| 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. |