Suzuki GRAND VITARA Owner's Manual page 543

Ground test
Check the commutator and armature core. If there is
continuity, armature is grounded and must be replaced.
Open circuit test
Check for continuity between segments. If there is no
continuity at any test point, there is an open circuit and
the armature must be replaced.
Gears
Inspect internal gear and the planetary gears for wear,
damage or other abnormal conditions. Replace if
necessary.
Pinion and Over-Running Clutch
• Inspect pinion for wear, damage or other abnormal
conditions. Check that clutch locks up when turned in
direction of drive and rotates smoothly in reverse
direction. Replace if necessary.
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• Inspect spline teeth for wear or damage. Replace if
necessary. Inspect pinion for smooth movement.
Front Housing Bush
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Inspect bush for wear or damage. Replace if necessary.
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Starting System: 1I-9
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