Page 314 of 364

GENERAL
ACTIVE STABILITY CONTROL SYSTEM (ASC)35C-4
SCHEMATIC DIAGRAM
AC600637AC
Combination meter
ABS warning lamp
· Brake warning lamp
· Active stability control indicator lamp
· Active stability control OFF indicator lamp
Diagnosis
Connector
Control solenoid valve (FR) OUT
Control solenoid valve (FR) IN
Control solenoid valve (FL) OUT
Control solenoid valve (FL) IN
Control solenoid valve (RR) OUT
Control solenoid valve (RR) IN
Control solenoid valve (RL) OUT
Control solenoid valve (RL) IN Suction valve (FR)
Suction valve (FL)
Cut valve (FR)
Cut valve (FL) Pump motor
Active stability
control system-ECU
Front-left wheel speed sensor
Rear-left wheel speed sensor
Front-right wheel speed sensor Rear-right wheel speed sensor
Master cylinder pressure sensor Stop lamp switch
Parking brake switch
Brake fluid level switch
Power supply to active stability
control system-ECU Steering wheel sensor
G and yaw rate sensor
Engine-ECU
Steering wheel sensor
Front-right wheel (FR)
Wheel
speed
sensor
Engine-ECU
G and yaw rate sensor
Parking
brake
switch Rear-right wheel (RR)
Wheel
speed
sensor
Stop lamp switch
Hydraulic
unit Wheel speed
sensor Rear-left
wheel (RL)
Wheel speed
sensor
Front-left wheel (FL)
Note
: CAN-bus line
Page 321 of 364

CONSTRUCTION DIAGRAM
ACTIVE STABILITY CONTROL SYSTEM (ASC)35C-11
C1371Yaw rate sensor signal
errorEnabledEnabledProhibitedProhibitedProhibitedProhibited
C1385Yaw rate sensor error
C1387Lateral G-sensor errorEnabledEnabledProhibitedProhibitedProhibitedProhibited
C1388Yaw rate sensor active
check errorEnabledEnabledProhibitedProhibitedProhibitedEnabled
C1394Steering wheel sensor
neutral point not learnedEnabledEnabledProhibitedProhibitedProhibitedProhibited
C1396Engine torque
intervention rejectionEnabledEnabledProhibitedProhibitedProhibitedProhibited
C1505Steering wheel sensor
malfunction (detection at
the ASC-ECU side)EnabledEnabledProhibitedProhibitedProhibitedProhibited
C1555Range exceeding of
steering wheel sensor
C1607Malfunction of ASC-ECUProhibitedProhibitedProhibitedProhibitedProhibitedProhibited
ASC-ECU malfunction
(CAN communication
circuit failure)EnabledEnabledProhibitedProhibitedProhibitedProhibited
C1621G and yaw rate sensor
improper installationEnabledEnabledProhibitedProhibitedProhibitedProhibited
C1860Abnormal rise of
ASC-ECU power supply
voltageProhibitedProhibitedProhibitedProhibitedProhibitedProhibited
C1861Abnormal drop of
ASC-ECU power supply
voltageProhibitedEnabledProhibitedProhibitedProhibitedProhibited
C1862Abnormal power supply
voltage of G and yaw rate
sensor (high voltage)EnabledEnabledProhibitedProhibitedProhibitedProhibited
C1863Abnormal power supply
voltage of G and yaw rate
sensor (low voltage)
U1073Bus-offEnabledEnabledProhibitedProhibitedProhibitedProhibited
U1100Engine-related CAN
time-out errorEnabledEnabledProhibitedProhibitedProhibitedProhibited
U1104Steering wheel sensor
CAN time-out errorEnabledEnabledProhibitedProhibitedProhibitedProhibited
U1105G and yaw rate sensor
CAN time-out errorEnabledEnabledProhibitedProhibitedProhibitedProhibited
U1406Accelerator pedal position
signal errorEnabledEnabledProhibitedProhibitedProhibitedProhibited
U1426Engine speed signal errorEnabledEnabledProhibitedProhibitedProhibitedProhibited
U1427Engine torque signal errorEnabledEnabledProhibitedProhibitedProhibitedProhibited
Diagnosis
code No.Item ABS EBD TCL ASC
Engine
controlBrake
controlEngine
controlBrake
control
Page 324 of 364

CONSTRUCTION DIAGRAM
ACTIVE STABILITY CONTROL SYSTEM (ASC)35C-14
C1364Brake fluid Pressure
sensor malfunctionOffIlluminatesIlluminatesIlluminates
C1366Lateral G sensor signal
malfunctionOffOffIlluminatesIlluminates
C1371Yaw rate sensor signal
malfunctionOffOffIlluminatesIlluminates
C1385Yaw rate sensor
malfunction
C1387Lateral G-sensor
malfunctionOffOffIlluminatesIlluminates
C1388Yaw rate sensor active
check error
C1394Steering wheel sensor
neutral point not
learnedOffOffIlluminatesIlluminates
C1396Active stability control
system control
temporarily disabled
(engine torque request
rejected)OffOffIlluminatesIlluminates
C1505Steering wheel sensor
abnormality (detected
at ABS/active stability
control
system-ECU-side)OffOffIlluminatesIlluminates
C1555Output error in steering
wheel sensor
C1607Defective active
stability control
system-ECUIlluminatesIlluminatesIlluminatesIlluminates
C1621G and yaw rate sensor
improper installationOffOffIlluminateIlluminate
C1860ABS/Active stability
control system-ECU
power supply voltage
malfunction (high
voltage) IlluminatesIlluminatesIlluminatesIlluminates
C1861ABS/Active stability
control system-ECU
power supply voltage
malfunction (low
voltage) IlluminatesIlluminatesIlluminatesIlluminates
C1862G and yaw rate sensor
power supply voltage
malfunction (high
voltage) OffOffIlluminatesIlluminates
Diagnosis
code No.Item Brake warning
lampABS warning lamp Active stability
control system
(ASC) indicator
lamp ASC OFF indicator
lamp
Page 325 of 364

CONSTRUCTION DIAGRAM
ACTIVE STABILITY CONTROL SYSTEM (ASC)35C-15
C1863G and yaw rate sensor
power supply voltage
malfunction (low
voltage) OffOffIlluminatesIlluminates
U1073Bus-offIlluminatesIlluminatesIlluminatesIlluminates
U1100Engine-related CAN
Timeout errorOffOffIlluminatesIlluminates
U1104Steering wheel sensor
CAN Timeout errorOffOffIlluminatesIlluminates
U1105G and yaw rate sensor
time-outOffOffIlluminatesIlluminates
U1406Failure information on
engine-A-M/T-ECU
(related to engine)OffOffIlluminatesIlluminates
U1426Failure information on
engine-A-M/T-ECU
(related to engine)OffOffIlluminatesIlluminates
U1427Failure information on
engine-A-M/T-ECU
(related to engine)
U1428Failure information on
engine-A-M/T-ECU
(related to engine)
U1429Failure information on
engine-A-M/T-ECU
(related to engine)
U1430Failure information on
engine-A-M/T-ECU
(related to engine)
Diagnosis
code No.Item Brake warning
lampABS warning lamp Active stability
control system
(ASC) indicator
lamp ASC OFF indicator
lamp
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