Fuel and Emissions System Description - Starter Control System Diagram

Fuel and Emissions System Description - Starter Control System Diagram

Starter Control System Diagram

The starter control system controls the starter motor.

- When the ignition switch is turned to START (III), the PCM applies current to starter cut relay 1 (STR) and starter cut relay 2 (ST CUT), then battery voltage is applied to the starter motor to run.
- Once the ignition switch is released, the PCM keeps the starter motor running until the engine starts. If the PCM detects that the engine starts, the PCM stops applying current to the relays, then the starter motor stops.
- If you turn the ignition switch to START (III) while the engine is running, the starter motor does not run.
- In the following cases, the PCM stops the starter motor;
- To prevent the starter motor from overheating, when the engine does not start within 10 seconds.
- To protect the starter motor if the engine rpm is too high when the starter motor is running.
- If a malfunction occurs with the starter system, the starter system indicator comes on, and starter control is disabled. The engine can still be started using the ignition switch.