9-75
SELF-DIAGNOSTIC FUNCTION AND DIAGNOSTIC CODE TABLE
57 Vehicle CAN communica-
tion line or power source of
vehicle system
Short-circuit in CAN com-
munication line or the volt-
age that supplies the
hydraulic unit assembly is
too low.
• Short-circuit in CAN
communication line
• Defective battery
• Defective coupler be-
tween battery and hy-
draulic unit assembly
• Wire harness between
battery and hydraulic unit
is interrupted or has
short-circuited
• Defective charging sys-
tem
62 Power supply voltage fail-
ure in pressure sensor
Abnormality detected in
pressure sensor power
supply circuit of hydraulic
unit assembly.
• Defective hydraulic unit
assembly
68 Defective hydraulic unit
assembly (defective front
pressure sensor)
Abnormality detected in
pressure sensor circuit at
front caliper side of hy-
draulic unit assembly.
In case of electrical inter-
locking brake
• Defective front brake line
• Defective hydraulic unit
assembly
89 CAN communication (be-
tween meter assembly
and hydraulic unit assem-
bly)
Transmitted data from the
meter cannot be normally
received.
• Defective coupler be-
tween meter assembly
and hydraulic unit as-
sembly
• Harness is broken or
short-circuit between
meter assembly and hy-
draulic unit assembly
• Defective meter assem-
bly
• Defective hydraulic unit
assembly
90 CAN communication (be-
tween ECU and hydraulic
unit assembly)
Transmitted data from the
FI ECU cannot be normal-
ly received.
• Defective coupler be-
tween FI ECU and hy-
draulic unit assembly
• Harness is broken or
short-circuit between FI
ECU and hydraulic unit
assembly
• Defective FI ECU
• Defective hydraulic unit
assembly
91 CAN communication (be-
tween IMU and hydraulic
unit assembly)
Transmitted data from the
IMU cannot be normally
received.
• Defective coupler be-
tween IMU and hydraulic
unit assembly
• Harness is broken or
short-circuit between
IMU and hydraulic unit
assembly
• Defective IMU
• Defective hydraulic unit
assembly
DTC Item Symptom Check point
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