6 – 18 TROUBLESHOOTING
14-5 Charging System Noise
Step Action Value(s) Yes No
1 Was “Visual/Physical Check" performed.
—
Go to Step 2
Go to
visual/physical
check
2 Was there intermittent noise or continuous noise and
that could be identified clearly by increasing and
decreasing engine speed?
—
Replace the
bearing. Go to Step 3
3 Was there a growling sound and does this sound
stop when the connector was disconnected?
— Replace the
stator coil. Go to Step 4
4 Was intermittent sound heard when the generator
was running?
— Replace the
brush and/or
slip ring. Go to Step 5
5 Was frictional sound heard when generator was
running?
— Clean the slip
ring or replace
the brush. Go to Step 6
6 Are any DTC stored? — Go to indicated
DTC. Solved
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