Yamaha F150B Service Manual
Also see for F150B: Owner's manualService manualOwner's manual
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Contents
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5-18Engine control units and components012345678910A3. Disconnect the ISC coupler a.4. Turn the engine start switch to “ON,” andthen measure the ISC input voltage atthe ISC coupler terminal and ground.5. Turn the engine start switch to “OFF.”6. Remove the junction box cover and themain relay a, and then disconnect theengine ECM coupler b.7. Check the wiring harness for continuity.8. Install the main relay a.9. Connect the engine ECM coupler b, andthen install the junction box cover.10. Connect the ISC coupler a.ISC input voltage:Red/Yellow (R/Y)–Ground12.0 V (battery voltage)aR/YR/YbaWiring harness continuity:Terminal 1–Terminal 20Terminal 2–Terminal cTerminal 3–Terminal 18Terminal 4–Terminal 21Terminal 5–Terminal cTerminal 6–Terminal 19a20cb21 1819 |
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