Power Assisted Steering System: 6C-42
2
1) Turn the ignition switch OFF.
2) Check the EPS control unit coupler for loose or poor
contact. If OK, then measure the engine speed signal
lead wire continuity.
3) Disconnect the EPS control unit coupler and ECM
coupler.
4) Check the continuity between the W wire “A” and
terminal “31”.
Special tool
(A): 09900–25008 (Multi circuit tester set)
(B): 09900–25009 (Needle-point probe set)
Tester knob indication
Continuity (
)
Is continuity OK?
Go to step 3.
W wire open.
Step
Action
Yes
No
I931G3630031-01
“B”
(A)
“31”
(B)
I931H1630052-02
Summary of Contents for LT-A750X/P
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Page 54: ...4A 6 Brake Control System and Diagnosis ...
Page 135: ...Prepared by March 2009 Part No 99501 47050 01E Printed in Japan 132 ...
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