Yamaha XSR 900 2022 Service Manual page 482

SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
DTC
68 Defective hydraulic unit
assembly (ABS ECU) (de-
fective front pressure sen-
sor)
89 CAN communication (be-
tween meter assembly
and hydraulic unit assem-
bly (ABS ECU))
90 CAN communication (be-
tween ECU and hydraulic
unit assembly (ABS ECU))
91 CAN communication (be-
tween IMU and hydraulic
unit assembly (ABS ECU))
* The DTC number varies according to the vehicle conditions.
Item
Abnormality detected in
pressure sensor circuit at
front caliper side of hy-
draulic unit assembly
(ABS ECU).
Transmitted data from the
meter cannot be normally
received.
Transmitted data from the
FI ECU cannot be normal-
ly received.
Transmitted data from the
IMU cannot be normally
received.
Symptom
9-76
Check point
In case of electrical inter-
locking brake
• Defective front brake line
• Defective hydraulic unit
assembly (ABS ECU)
• Defective coupler be-
tween meter assembly
and hydraulic unit as-
sembly (ABS ECU)
• Harness is broken or
short-circuit between
meter assembly and hy-
draulic unit assembly
(ABS ECU)
• Defective meter assem-
bly
• Defective hydraulic unit
assembly (ABS ECU)
• Defective coupler be-
tween FI ECU and hy-
draulic unit assembly
(ABS ECU)
• Harness is broken or
short-circuit between FI
ECU and hydraulic unit
assembly (ABS ECU)
• Defective FI ECU
• Defective hydraulic unit
assembly (ABS ECU)
• Defective coupler be-
tween IMU and hydraulic
unit assembly (ABS
ECU)
• Harness is broken or
short-circuit between
IMU and hydraulic unit
assembly (ABS ECU)
• Defective IMU
• Defective hydraulic unit
assembly (ABS ECU)