Isuzu 4ja1 - 15. Starter Motor Problem

TROUBLESHOOTING 6 – 19
15. Starter Motor Problem
Visual/physical check the following items before diagnosis.
The battery terminals connection condition.
The ground connection condition.
The starter motor or the battery fastener condition.
The battery fluid level and specific gravity.
15-1 Starter motor pinion engages to ring gear but engine does not turn over
Step Action Value(s) Yes No
1 Was “Visual/Physical Check" performed. —
Go to Step 2
Go to
visual/physical
check
2 Check the contact condition between the brush and
the commutator.
Was the brush and the commutator contact
intermittent?
— Replace the
brush or repair
the
commutator. Go to Step 3
3 Were the brush and the commutator contact faces
dirty?
—
Clean contact
face Go to Step 4
4 Was the pinion clutch slipped? — Replace the
pinion clutch Go to Step 5
5 Inspect the armature field coil.
Was there an open circuit or a short circuit in the
armature field coil?
— Repair or
replace the
armature field
coil. Go to Step 6
6 Are any DTC stored? — Go to indicated
DTC. Solved
15-2 Incorrect pinion and ring gear engagement
Step Action Value(s) Yes No
1 Was “Visual/Physical Check" performed. —
Go to Step 2
Go to
visual/physical
check
2 Inspect the pinion and the ring gear teeth.
Were the pinion and/or the ring gear teeth worn or
broken?
—
Replace the
wron parts. Go to Step 3
3 Inspect the pinion gear return movement.
Was the pinion gear return movement incorrect?
— Adjust or
replace the
movement
parts. Go to Step 4
4 Are any DTC stored? — Go to indicated
DTC. Solved