Section06ELECTRICALSYSTEM
Subsection 03 (STARTING SYSTEM)
STARTING SYSTEM TROUBLESHOOTING
SYMPTOM CAUSE REMEDY
Burnt fuse.
Check wiring condition and replace
fuse.
Poor contact of battery terminal(s).
Clean and tighten terminal(s).
Poor battery ground cable connection.
Clean and tighten.
Weak battery. Recharge or replace battery.
Poor contact of start/stop switch,
safety lanyard switch or solenoid.
Check connectors and clean contacts.
Check and replace defective parts.
Open circuit: start/stop switch or
solenoid.
Check. Replace if necessary.
Safety lanyard. Refer to ENGINE MANAGEMENT.
STARTER DOES NOT
TURN.
Defective ECM and/or ECM Check. Replace if necessary.
Weak battery. Recharge or replace battery.
Poor battery cable connections.
Clean battery cable connections.
Poor contact of brush.
Straighten commutator and brush.
Burnt commutator. Turn commutator on a lathe.
Worn commutator segments. Undercut mica.
Shorted armature.
Repair or replace armature.
Weak brush spring tension. Replace brush holder or spring.
Weak magnet. Replace yoke assembly.
STARTER ENGAGES; BUT
DOES NOT CRANK THE
ENGINE.
Worn bushings. Replace clutch.
Worn clutch pinion gear. Replace clutch.
Defective clutch. Replace clutch.
Poor movement of clutch on splines.
Clean and correct.
Worn clutch bushing. Replace clutch.
STARTER TURNS, BUT
OVERRUNNING CLUTCH
PINION DOES NOT MESH
WITH RING GEAR.
Worn ring gear. Replace ring gear.
Shorted solenoid winding.
Replace solenoid.
Melted solenoid contacts. Replace solenoid.
STARTER KEEPS
RUNNING.
Sticking or defective starter clutch.
Lubricate or replace.
166 smr2005-017