STARTER CUT-OFF CONTROL [SKYACTIV-G 2.0]

id0140f4204700

Outline

• The PCM controls energization to the starter relay according to an immobilizer system request to improve security.

• While not in P or N position, the starter relay energization by the ignition key is inhibited.

Block Diagram

a30zzn00001389

Operation

When engine stop request signal received

• The PCM does not establish a ground with the starter circuit. Therefore, even if the ignition is switched ON (START), the starter motor does not rotate because the starter relay is not energized, and the engine does not start.

a30zzn00002297

When engine stop request signal not received

1. When the selector lever is in the P or N position, it establishes (1) a ground with the selector lever position circuit. When a ground with the selector lever position circuit is established, the PCM and the BCM detect that the selector lever is in the P or N position.

2. When the ignition is switched ON (START) with the selector lever in the P or N position, the PCM establishes (2) a ground with the starter circuit. When a ground with the starter circuit is established, the starter relay is energized and the starter motor rotates. Therefore, the engine starts normally.

a30zzn00002298

3. The PCM turns the starter relay off with the engine speed at the set value or more (value from engine coolant temperature fluctuates).