Trouble Code And Checking Step; Troubleshooting The Power Unit Using The Diagnostic Flash Indicator; Troubleshooting The Power Unit (Trouble Code Not Detected) - Yamaha F150B Service Manual

Troubleshooting the power unit
using the diagnostic flash indicator
1. Connect the special service tool a.
a
a
Diagnostic test lead (Blue/White)
Diagnostic flash indicator B a:
90890-06865
TIP:
When performing this diagnosis, all of the
electrical wires must be properly connected.
2. Start the engine and let it idle.
3. Check the flash pattern for noticing a
trouble code. For example, the trouble
code is 23.
2 3
c
a a d a a a
a
Light on, 0.33 second
b
Light off, 4.95 seconds
c
Light off, 0.33 second
d
Light off, 1.65 seconds
4. If a trouble code is detected, see "Trouble
TIP:
When more than one trouble code is
detected, the Diagnostic flash indicator B
flashes in the pattern of the lowest trouble
code. After that trouble code is corrected, the
indicator flashes in the pattern of the next
lowest the trouble code. This continues until
all the trouble codes are detected and cor-
rected.
a
b
Troubleshooting the power unit
code and checking step" (4-6).
0
1
2
3
4
5
6
7
8
9
10
A
4-10