STARTER CUT-OFF CONTROL OPERATION [MZR 1.6]

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• The PCM stops energization of the starter relay according to an engine stop request from the immobilizer system.

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.

When engine stop request signal not received

― The PCM establishes a ground with the starter circuit. Therefore, when the ignition is switched ON (START), the starter relay is energized and the starter motor rotates. As a result, the engine starts normally.

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• The PCM turns the starter relay off with the engine speed at the set value or more (value varies depending on the engine coolant temperature).