Starting System: 1I-3
Starting Motor Performance Test
S5JB0A1904002
CAUTION
!
Each test must be performed within 3 – 5 seconds to avoid coil from burning.
Pull-In Test
1) Connect battery to magnetic switch as shown.
2) Check that plunger and pinion move outward. If plunger and pinion don’t move, replace magnetic switch.
NOTE
Before testing, disconnect lead wire from terminal “M”.
Starting motor running,
but too slow (small
torque) – Battery and
wiring are satisfactory
Insufficient contact of magnetic switch
main contacts
Replace magnetic switch.
Layer short-circuit of armature
Replace.
Disconnected, burnt or worn
commutator
Repair commutator or replace armature.
Worn brushes
Replace brush.
Weakened brush springs
Replace spring.
Burnt or abnormally worn end bush
Replace bush.
Starting motor running,
but not cranking engine
Worn pinion tip
Replace over-running clutch.
Poor sliding of over-running clutch
Repair.
Over-running clutch slipping
Replace over-running clutch.
Worn teeth of ring gear
Replace flywheel (M/T) or drive plate (A/T).
Noise
Abnormally worn bush
Replace bush.
Worn pinion or worn teeth of ring gear
Replace over-running clutch, flywheel (M/T) or
drive plate (A/T).
Poor sliding of pinion (failure in return
movement)
Repair or replace.
Worn internal or planetary gear teeth
Replace.
Lack of oil in each part
Lubricate.
Starting motor does not
stop running
Fused contact points of magnetic switch
Replacemagnetic switch.
Short-circuit between turns of magnetic
switch coil (layer short-circuit)
Replace magnetic switch.
Failure of returning action in ignition
switch
Replace.
Condition
Possible cause
Correction / Reference Item
1. Terminal “S”
2. Terminal “M”
3. Lead wire (switch to motor)
IYSQ01190003-01
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