Yamaha F150B Service Manual
Also see for F150B: Owner's manualService manualOwner's manual
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Contents
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5-23ELEC Electrical systemFuel control units andcomponentsChecking the water detection switch1. Disconnect the water detection switchcoupler a.2. Turn the engine start switch to “ON,” andthen measure the input voltage at thewater detection switch coupler.3. Turn the engine start switch to “OFF,” andthen remove the filter cup assembly.4. Before checking the water detectionswitch, make sure that the float a is ableto move smoothly.5. Check the water detection switch for conti-nuity with the float in positions A and B .NOTICE: Make sure not to remove theclip b and float a.6. Remove the junction box cover, and thendisconnect the engine ECM coupler e.7. Check the wiring harness for continuity.Water detection switch input voltage:Blue/White (L/W)–Black (B)4.75–5.25 VL/WBabbaAcFloatpositionTerminalb cABFloat height d (reference data):40.0 mm (1.57 in)Wiring harness continuity:Terminal 1–Terminal 5Terminal 2–Terminal 8aBbdb ce8ae5 |
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