TUBE AS 1158506 - Caterpillar

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Engine stop (remote control) circuitThe components of the remote control engine stop circuit are the remote control switch, the interface control module, the Power Train Electronic Control Module (Power Train ECM), and the Engine Electronic Control Module (Engine ECM).
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(1) Remote control switch
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(2) Receiver (3) Interface control module
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(3) Interface control module (4) Relay 16 for engine stop
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(5) Power Train ECM
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(6) Engine ECMWith the key start switch in the ON position, 24 volt power is supplied from the batteries via circuit breaker 6 to remote control switch (1), and via circuit breaker 14 to Power Train ECM (5) .With remote control switch (1) in the ON position, 24 volt power is supplied to interface control module (3). When the transmitter sends a stop engine signal to receiver (2), receiver (2) sends a signal to interface control module (3). Interface control module (3) de-energizes relay 16 for engine stop (4). With relay 16 for engine stop (4) de-energized 24 volt power is stopped to J1-70 on Engine ECM (6). The engine will shutdown.Connector contact 15 connects to J1-70 of Engine ECM (6) .ReferenceFor more information on the remote control system, refer to Systems Operation, Testing and Adjusting, Remote Control System.