5-S1
ZD18(F) · ZD21(F) · ZD28(F), WSM
ELECTRICAL SYSTEM
1. TROUBLESHOOTING
W1014322
BATTERY
W1010913
STARTING SYSTEM
W1011297
Symptom Probable Cause Solution
Reference
Page
All Electrical
Equipments Do Not
Operate
• Battery discharged or defective
• Battery positive cable disconnected or
improperly connected
• Battery negative cable disconnected or
improperly connected
• Slow blow fuse blown
Recharge or replace
Repair or replace
Repair or replace
Replace
G-26
5-S5
5-S5
G-36
Fuse Blown
Frequently
• Short-circuited Repair or replace G-36
Battery Discharges
Too Quickly
• Battery defective
• Dynamo defective
• IC regulator defective
• Wiring harness disconnected or improperly
connected (between battery positive terminal
and regulator B terminal)
• Cooling fan belt slipping
Replace
Repair or replace
Replace
Repair or replace
Adjust tension
G-24
5-S15
–
–
G-27
Starter Motor Does
Not Operate
• Battery discharged or defective
• Slow blow fuse blown
• Safety switch defective
• Wiring harness disconnected or improperly
connected (between main switch 50 terminal
and safety switches, between safety switches
and starter motor, between battery positive
terminal and starter motor)
• Starter motor defective
• Main switch defective
Recharge or replace
Replace
Replace
Repair or replace
Repair or replace
Replace
G-26
G-36
5-S10
–
5-S12
–
Engine Does Not
Stop When Main
Switch Is Turned OFF
• Fuse blown (20 A)
• Wiring harness disconnected or improperly
connected (between main switch AC terminal
and engine stop solenoid)
• Engine stop solenoid defective
• Combination box defective
Replace
Repair or replace
Replace
Replace
G-36
–
5-S11
–
Engine Does Not
Start
• Engine stop solenoid defective
• Combination box defective
Replace
Replace
5-S11
–