Suzuki Engine 2002 GRAND VITARA SQ625, Руководство по обслуживанию

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6G-4 CRANKING SYSTEM (0.9 kW, 1.2 kW and 1.4 kW Reduction Type)
Diagnosis
Possible symptoms due to starting system trouble would be as follows :
• Starting motor does not run (or runs slowly)
• Starting motor runs but fails to crank engine
• Abnormal noise is heard
Proper diagnosis must be made to determine exactly where the cause of each trouble lies.....in battery, wiring
harness, (including starting motor switch), starting motor or engine.
Do not remove motor just because starting motor does not run. Check following items and narrow down scope
of possible causes.
1) Condition of trouble
2) Tightness of battery terminals (including ground cable connection on engine side) and starting motor termi-
nals
3) Discharge of battery
4) Mounting of starting motor
Condition Possible Cause Correction
Motor not running No operating sound of magnetic switch
• Shift lever switch is not in P or N, or not
adjusted (A/T)
Shift in P or N, or adjust switch.
• Battery run down Recharge battery.
• Battery voltage too low due to battery deteri-
oration
Replace battery.
• Poor contact in battery terminal connection Retighten or replace.
• Loose grounding cable connection Retighten.
• Fuse set loose or blown off Tighten or replace.
• Poor contacting action of ignition switch and
magnetic switch
Replace.
• Lead wire coupler loose in place Retighten.
• Open-circuit between ignition switch and
magnetic switch
Repair.
• Open-circuit in pull-in coil Replace magnetic switch.
• Brushes are seating poorly or worn down Repair or replace.
• Poor sliding or plunger and/or pinion Repair.
Operating sound of magnetic switch heard
• Battery run down
Recharge battery.
• Battery voltage too low due to battery deteri-
oration
Replace battery.
• Loose battery cable connections Retighten.
• Burnt main contact point, or poor contacting
action of magnetic switch
Replace magnetic switch.
• Brushes are seating poorly or worn down Repair or replace.
• Weakened brush spring Replace.
Motor not running Burnt commutator Replace armature.
Layer short-circuit of armature Replace.
Crankshaft rotation obstructed Repair.