2001 Edition Yamaha F225A and LF225A Outboards Service Manual, Page 349Get this manual
Power unitBracket unit Bracket unit Symptom: Power trim and tilt unit does not operateListen for the operation sound of the power trim and tilt relayCan the operation sound be heard? Yes Can 12 be obtained? Yes Listen for the operation sound of the power trim and tilt motorCan the operation sound be heard? Yes Can 12 be obtained? Yes Check that the manual valve is closedCheck the power trim and tilt motorNo Replace the power trim and tilt relayReplace the power trim and tilt relayCheck the voltage between the sky blue (Sb) lead and light green (Lg) leadNo Check for continuity between the battery, relays, and power trim and tilt switchCheck the voltage between each terminal Between the sky blue (Sb) lead and black (B) lead Between the light green (Lg) lead and black (B) leadNo