Suzuki SX4 Service Manual page 403

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Condition
Motor not running (No
operating sound of
magnetic switch)
Motor not running
(Operating sound of
magnetic switch heard)
Starting motor running
but too slow (small
torque) (If battery and
wiring are satisfactory,
inspect starting motor)
Starting motor running,
but not cranking engine
Noise
Possible cause
Transmission range sensor is not in P or
N, or not adjusted (A/T model)
Battery run down
Battery voltage too low due to battery
deterioration
Poor contact in battery terminal
connection
Loose grounding cable connection
Fuse set loose or blown off
Poor contacting action of ignition switch
and magnetic switch
Lead wire coupler loose in place
Open-circuit between ignition switch and
magnetic switch
Open-circuit in pull-in coil
Brushes are seating poorly or worn
down
Poor sliding of plunger and/or pinion
Faulty starting motor control relay
Faulty ECM and its circuit
Battery run down
Battery voltage too low due to battery
deterioration
Loose battery cable connections
Burnt main contact point, or poor
contacting action of magnetic switch
Brushes are seating poorly or worn
down
Weakened brush spring
Burnt commutator
Layer short-circuit of armature
Crankshaft rotation obstructed
Insufficient contact of magnetic switch
main contacts
Layer short-circuit of armature
Disconnected, burnt or worn
commutator
Worn brushes
Weakened brush springs
Burnt or abnormally worn end bush
Worn pinion tip
Poor sliding of over-running clutch
Over-running clutch slipping
Worn teeth of ring gear
Abnormally worn bush
Worn pinion or worn teeth of ring gear
Poor sliding of pinion (failure in return
movement)
Worn internal or planetary gear teeth
Lack of oil in each part
Starting System:
Correction / Reference Item
Shift in P or N, or adjust sensor. (A/T model)
Recharge battery.
Replace battery.
Retighten or replace.
Retighten.
Tighten or replace.
Replace.
Retighten.
Repair.
Replace magnetic switch.
Repair or replace.
Repair.
"Main Relay, Fuel Pump Relay, Starting Motor
Control Relay, Throttle Actuator Control Relay
and Radiator Cooling Fan Relay Inspection in
Section 1C".
"Inspection of ECM and Its Circuits in Section
1A".
Recharge battery.
Replace battery.
Retighten.
Replace magnetic switch.
Repair or replace.
Replace.
Replace armature.
Replace.
Repair.
Replace magnetic switch.
Replace.
Repair commutator or replace armature.
Replace brush.
Replace spring.
Replace bush.
Replace over-running clutch.
Repair.
Replace over-running clutch.
Replace flywheel (M/T model) or drive plate (A/
T model).
Replace bush.
Replace over-running clutch, flywheel (M/T
model) or drive plate (A/T model).
Repair or replace.
Replace.
Lubricate.
1I-2

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