Starter System; Troubleshooting - Suzuki DR-Z70 Service Manual

STARTER SYSTEM

Starter
relay
R/W R/W
Starter
motor

TROUBLESHOOTING

NOTE:
* Make sure that the fuse is not blown and the battery is fully-charged before diagnosing.
Starter motor will not run.
Step 1
1) Check that the transmission is in neutral and the engine stop switch is in the "RUN" position.
2) Turn the ignition switch to the "ON" position.
3) Listen for a click sound from the starter relay when the starter button is pushed.
Is a click sound heard?
YES Go to Step 2.
NO Go to Step 3.
Step 2
1) Check if the starter motor runs when its terminal is connected to the battery + terminal. (Do not use thin
"wire" because a large amount of current flows.)
Does the starter motor run?
• Faulty starter relay.
YES • Loose or disconnected starter motor lead wire.
• Loose or disconnected between starter relay and battery + terminal.
NO Faulty starter motor.
Step 3
1) Measure the starter relay voltage at the starter relay coupler (between Y/G + and Bl - ) when the starter
button is pushed.
Is the voltage OK?
YES Go to Step 4.
• Faulty starter button.
• Faulty engine stop switch.
NO • Faulty ignition switch.
• Poor contact of couplers.
• Open circuit of wire harness.
Bl
Bl
CDI unit
Neutral
switch
Y/G
R
O/W
Y/G O/W O
Starter Engine
B/W
button stop
switch
ELECTRICAL SYSTEM
10A
O R
O R
Battery
Ignition
switch
6-9
R
B