Suzuki AN400 - Page 100

1A-37 Engine General Information and Diagnosis:
Step Action Yes No
1 1) Turn the ignition switch OFF.
2) Remove the left foot board and clutch outer cover. (Refer
to “V-belt Type Continuously Variable Automatic
Transmission Removal and Installation in Section 5A
(Page5A-3)”.)
3) Check the speed sensor lead wire couplers (1) and (2)
for loose or poor contacts.
If OK, then measure the speed sensor input voltage.
4) Insert the needle pointed probes to the lead wire coupler.
5) Turn the ignition switch ON.
6) Measure the speed sensor input voltage at the couplers
(between positive terminal: O/R and negative terminal:
B/W wire).
Speed sensor input voltage
Battery voltage (Positive terminal: O/R – Negative
terminal: B/W)
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Voltage ( )
Is the voltage OK?
• Remove the speed
sensor and Clean
away metal particles
or foreign material.
• If OK, go to Step 2.
• Loose or poor
contacts on the
speedometer
couplers.
• Open or short circuit
in the O/R wire or B/
W wire.
2
1
I705H1110052-01
V
(A)
(B)
O/R
B/W
I705H1110110-02