Honda BF8, BF9.9 and BF10 Outboard Motors Shop Manual., Page 275Get this manual
bINSPECTION
IGNITION CONTROL MODULE
IGNITION CONTROL MODULE
Measure the resistance between the terminals and be sure that the measurements conform to the ranges shown in the table belowUse tester that is equivalent to or higher than the performance specified; Internal resistance: 20 kfiVDC, kOVAC Be careful not to touch the metallic part of the tester probe with your bodyOtherwise, correct resistance value cannot be obtainedRead the tester manufacturer's operation instructions carefully before operation with testerFollow the instructions of the Service ManualBe sure the tester's battery is fully charged and check the meter before using the testerUse scale of an commercially available multimeter, and meter shows current flow from negative (-) to positive (+IThe diode is good if the meter shows current flowing one way