Yamaha F150A Service Manual

Also see for F150A: Rigging guide Service manual Owner's manual Owner's manual Owner's manual

4-10Outboard motor troubleshootingTroubleshooting the power unitusing the diagnostic flash indicator1. Connect the special service tool “1”.TIP:Before performing this diagnosis, make sureto connect all of the electrical wires properly.a. Diagnostic test lead (Blue/White)2. Start the engine and let it idle.3. Check the flash patterns of the troublecodes.TIP:When more than one trouble code isdetected, the indicator of special service toolflashes in the pattern of the lowest troublecode. After that trouble code is corrected, theindicator flashes in the pattern of the nextlowest the trouble code. This continues untilall the trouble codes are detected and cor-rected.Example: The illustration indicates codenumber 23.a. Light on, 0.33 secondsb. Light off, 4.95 secondsc. Light off, 0.33 secondsd. Light off, 1.65 seconds4. If a trouble code is detected, see “Troublecode and checking step” (4-8).Diagnostic flash “1”: 90890-068731a2 3a a adcba a