Yamaha Tenere 700 2020, Service Manual

Page: 413 / 472

ABS (ANTI-LOCK BRAKE SYSTEM)
8-102
EAS30994
BASIC PROCESS FOR TROUBLESHOOTING
[A-1] Doe s only the AB S
w a rning light f a il to
come on?
[A-2] Do a ll indic a tor light s
f a il to come on?
[A-4] Only the AB S ECU
f a il s to comm u nic a te.
[A-5] AB S ECU a nd FI ECU
f a il to comm u nic a te.
The wire h a rne ss i s gro u nded
b etween the AB S ECU a nd the
meter ass em b ly.
The meter ass em b ly i s defective.
The hydr au lic u nit ass em b ly i s
defective.
The m a in s witch i s defective.
The ba ttery volt a ge i s low.
The m a in f us e i s b lown.
The meter ass em b ly i s defective.
Ye s
Ye s
Ye s
Ye s
No
No
Ret u rn to [A].
Ret u rn to [A].
•
•
•
•
•
•
•
[A- 3 ] The AB S w a rning light come s
on.
Connect the Y
a m a h a
di a gno s tic tool, a nd then
exec u te f u nction a l di a gno s i s .
C a n the tool comm u nic a te with
the AB S ECU?
Ret u rn to [A].
Ret u rn to [A].
[B-2] Di a gno s e b y the f au lt
code.
[B- 3 ] Delete the f au lt code s .
Ret u rn to [A].
[C-1] Perform the fin a l check s .
Were a ll of the fin a l check s
completed norm a lly?
Fini s hed.
Ye s
No
[A] T u rn the m a in s witch to “ ON ” ,
a nd check the AB S w a rning
light.
F a il s to
come on
Come s on
The AB S control u nit f us e i s b lown.
The AB S ECU co u pler i s
di s connected.
•
•
The wire h a rne ss i s defective. •
The hydr au lic u nit ass em b ly
i s defective.
•
The connection with the Y a m a h a
di a gno s tic tool i s defective.
•
The wire h a rne ss i s defective.
•
C a nnot
comm u nic a te
C a n comm u nic a te
[B-1] Check for AB S f au lt
code s in the s creen for the
Exec u te f au lt di a gno s i s .
Y a m a h a di a gno s tic tool.
Are f au lt code s di s pl a yed on
the s creen?
No
Ye s
(Check th a t the AB S w a rning
light goe s off d u ring the AB S
w a rning light check.)
The re a ction force gener a ted
d u ring b r a ke line ro u ting
confirm a tion i s incorrect.
The b r a ke ho s e s a nd b r a ke
pipe s a re not connected
correctly.
•
The m a lf u nction i s not
corrected.
•
There i s a b re a k in the wire
h a rne ss b etween the AB S ECU
a nd the meter ass em b ly.
•
The AB S w a rning light doe s
not go off when the light i s
checked.
The meter ass em b ly circ u it
i s defective.
•
•
Ret u rn to [A].
The hydr au lic u nit ass em b ly i s
defective.
The ba ttery volt a ge i s low.
•