Yamaha F150B Service Manual
Also see for F150B: Owner's manualService manualOwner's manual
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Contents
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5-15ELEC Electrical system4. Turn the engine start switch to “ON,” andthen measure the input voltage betweenterminals f and g.5. Turn the engine start switch to “OFF,” andthen install the main relay a.Checking the engine ECM circuit1. Remove the junction box cover, and thendisconnect the engine ECM coupler a.2. Check for continuity between the engineECM coupler terminals (32 and 42) andground.3. Measure the input voltage at the engineECM coupler terminal 16 and ground.4. Turn the engine start switch to “ON,” andthen measure the input voltage at theengine ECM coupler terminal 13 andground.Main relay input voltage:Terminal f–Terminal g12.0 V (battery voltage)gfaEngine ECM input voltage:Terminal 16–Ground12.0 V (battery voltage)42 32aa16 |
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