Power Assisted Steering System: 6C-28
2 1) Turn the ignition switch OFF.
2) Connect the torque sensor coupler.
3) Insert the needle-point probes to lead wire coupler.
4) Turn the ignition switch ON.
5) Measure the voltage between G 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-point probe set)
Tester knob indication
Voltage ( )
Torque sensor (main) voltage
Handlebars is left turn: Approx. 3.0 V
Handlebars is right turn: Approx. 2.0 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 (LT-
A750XP/ZK9)
(Page 6C-48)”.
• R wire terminal or G
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 “EPS Body
Assembly Removal
and Installation (LT-
A750XP/ZK9)
(Page 6C-50)”.
Step Action Yes No
(A)
“A”
“B”
(B)
(B)
I931G3630025-01
I931H1630042-01
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