Condition | Possible Cause | Action |
---|---|---|
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 deterioration
|
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 of plunger and/or pinion
|
Repair.
|
|
Motor not running (Operating sound of magnetic switch heard)
|
Battery run down
|
Recharge battery.
|
Battery voltage too low due to battery deterioration
|
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.
|
|
Burnt commutator
|
Replace armature.
|
|
Layer short-circuit of armature
|
Replace.
|
|
Crankshaft rotation obstructed
|
Repair.
|
|
Starting motor running but too slow (small torque) (If battery and wiring are satisfactory, inspect starting motor)
|
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 pinion or 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
|
Replace magnetic 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 | Action |
---|---|---|
Motor not running (No operating sound of magnetic switch)
|
Battery run down
|
Recharge battery.
|
Battery voltage too low due to battery deterioration
|
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 starting motor.
|
|
Brushes are seating poorly or worn down
|
Replace starting motor.
|
|
Poor sliding of plunger and/or pinion
|
Replace starting motor.
|
|
Faulty starting motor control relay
|
Replace.
|
|
Motor not running (Operating sound of magnetic switch heard)
|
Battery run down
|
Recharge battery.
|
Battery voltage too low due to battery deterioration
|
Replace battery.
|
|
Loose battery cable connections
|
Retighten.
|
|
Burnt main contact point, or poor contacting action of magnetic switch
|
Replace starting motor.
|
|
Brushes are seating poorly or worn down
|
Replace starting motor.
|
|
Weakened brush spring
|
Replace starting motor.
|
|
Burnt commutator
|
Replace starting motor.
|
|
Layer short-circuit of armature
|
Replace starting motor.
|
|
Crankshaft rotation obstructed
|
Repair.
|
|
Starting motor running but too slow (small torque) (If battery and wiring are satisfactory, inspect starting motor)
|
Insufficient contact of magnetic switch main contacts
|
Replace starting motor.
|
Layer short-circuit of armature
|
Replace starting motor.
|
|
Disconnected, burnt or worn commutator
|
Replace starting motor.
|
|
Worn brushes
|
Replace starting motor.
|
|
Weakened brush springs
|
Replace starting motor.
|
|
Burnt or abnormally worn end bush
|
Replace starting motor.
|
|
Starting motor running, but not cranking engine
|
Worn pinion tip
|
Replace starting motor.
|
Poor sliding of over-running clutch
|
Replace starting motor.
|
|
Over-running clutch slipping
|
Replace starting motor.
|
|
Worn teeth of ring gear
|
Replace flywheel.
|
|
Noise
|
Abnormally worn bush
|
Replace starting motor.
|
Worn pinion or worn teeth of ring gear
|
Replace starting motor or flywheel.
|
|
Poor sliding of pinion (failure in return movement)
|
Replace starting motor.
|
|
Worn internal or planetary gear teeth
|
Replace starting motor.
|
|
Lack of oil in each part
|
Replace starting motor.
|
|
Starting motor does not stop running
|
Fused contact points of magnetic switch
|
Replace starting motor.
|
Short-circuit between turns of magnetic switch coil (layer short-circuit)
|
Replace starting motor.
|
|
Failure of returning action in ignition switch
|
Replace.
|