Suzuki RMX450Z Service Manual

Charging System: 1J-2
Diagnostic Information and Procedures
Charging System Symptom Diagnosis
BA02J21A04001
Condition Possible cause Correction / Reference Item
Generator does not
charge
Open- or short-circuited lead wires, or
loose lead connections.
Repair, replace or connect properly.
Short-circuited, grounded or open
generator coil.
Replace.
Short-circuited or punctured regulator/
rectifier.
Replace.
Generator does charge,
but charging rate is below
the specification
Lead wires tend to get short- or open-
circuited or loosely connected at
terminals.
Repair or retighten.
Grounded or open-circuited generator
coil.
Replace.
Defective regulator/rectifier. Replace.
Defective cell plates in the battery. Replace the battery.
Generator overcharges Internal short-circuit in the battery. Replace the battery.
Damaged or defective regulator/rectifier. Replace.
Poorly grounded regulator/rectifier. Clean and tighten ground connection.
Unstable charging Lead wire insulation frayed due to
vibration, resulting in intermittent short-
circuiting.
Repair or replace.
Internally short-circuited generator. Replace.
Defective regulator/rectifier. Replace.
Battery overcharges Faulty regulator/rectifier. Replace.
Faulty battery. Replace.
Poor contact of generator lead wire
coupler.
Repair.
“Sulfation”, acidic white
powdery substance or
spots on surfaces of cell
plates
Cracked battery case. Replace the battery.
Battery has been left in a run-down
condition for a long time.
Replace the battery.
Battery runs down quickly Trouble in charging system. Check the generator, regulator/rectifier and
circuit connections and make necessary
adjustments to obtain specified charging
operation.
Cell plates have lost much of their active
materials a result of overcharging.
Replace the battery and correct the charging
system.
Internal short-circuit in the battery. Replace the battery.
Too low battery voltage. Recharge the battery fully.
Too old battery. Replace the battery.
Battery discharged too
rapidly
Dirty container top and sides. Clean.
Old battery. Replace.
Battery “sulfation” Incorrect charging rate. (When not in
use battery should be checked at least
once a month to avoid sulfation.)
Replace the battery.
The battery was left unused in a cold
climate for too long.
Replace the battery if badly sulfated.

Suzuki RMX450Z Specifications

General

Brand	Suzuki
Model	RMX450Z
Category	Motorcycle
Language	English