SYSTEM / ECM System ENGINE STOP CONTROL Although the keys witch is turned to OFF, the engine does not stop. (Emergency Stop) When the engine does not stop due to some troubles that the machine is broken or damaged with the key switch OFF, turn (lower) the engine stop switch to the ON position. Then, the engine stops. After that, return (raise) the engine stop switch to the OFF position. CAUTION: Do not use the engine stop switch except when unavoidable. When the machine stops due to the machine breakdown, do not start the machine until repair is completed. 1. When the engine stop switch is turned to the ON position, electrical current from fuse #18 flows to terminal #V47 in ECM. 2.
ECM stops fuel injection of the injector and stops the engine. 3. At the same time, ECM turns the ECM main relay OFF. 4. After the ECM main relay is turned OFF, ECM is turned OFF. T1J1-02-03-004 Engine Stop Switch T2-3-14