Suzuki 2009 LT-A500XP, Service Manual

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6C-36 Power Assisted Steering System:
2 1) Turn the ignition switch OFF.
2) Connect the torque sensor coupler.
3) Insert the needle pointed probes to lead wire coupler.
4) Turn the ignition switch ON.
5) Measure the voltage between W wire “A” and B wire “B”
by turning the handlebars left and right.
Special tool
(A): 09900–25008 (Multi-circuit tester set)
(B): 09900–25009 (Needle pointed probe set)
Tester knob indication
Voltage (
)
Torque sensor (Sub) voltage
Handlebars is left turn: Approx. 2.0 V
Handlebars is right turn: Approx 3.0 V
Is voltage OK?
• Replace the EPS
control unit with a
known good one, and
inspect it again. Refer
to “EPS Control Unit
Removal and
Installation (Page 6C-
48)”.
• R wire terminal or W
wire terminal circuit
open (torque sensor
side).
• If check result is not
satisfactory, replace
the torque sensor
(EPS body assembly)
with a new one. Refer
to
“Steering Shaft
Removal and
Installation: in
Section 6B”
.
Step Action Yes No
(B)
“B”
(A)
“A”
(B)
I931H1630113-01
I931H1630042-01