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Troubleshooting the power unit
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A
Troubleshooting the power unit
using the diagnostic flash indicator
1. Connect the special service tool a.
a
Diagnostic test lead (Blue/White)
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.
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
code and checking step” (4-6).
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.
Diagnostic flash indicator B a:
90890-06865
a
a
aa ad
c
b
23
aa
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