Nissan Sentra. Manual — part 160
SYSTEM
BRC-27
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Major signal transmission between each unit via communication lines is shown in the following table.
VDC/TCS/ABS : EBD Function
INFOID:0000000009757821
SYSTEM DIAGRAM
• By preventing rear wheel slip increase through rear wheel brake force (brake fluid pressure) control that is
electronically controlled when slight skip on front and rear wheels are detected during braking, stability dur-
ing braking is improved.
• EBD function is expanded and developed from conventional ABS function and corrects rear wheel brake
force to appropriate level by electronic control according to load weight (number of passengers).
Component
Signal description
Combination meter
Receives the following signals from ABS actuator and electric unit (control unit) via CAN com-
munication.
• VDC warning lamp signal
• ABS warning lamp signal
AWFIA0808GB
JPFIC0142GB
BRC-28
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
SYSTEM
• During braking, control unit portion compares slight slip on front
and rear wheels by wheel sensor signal, transmits drive signal to
actuator portion when rear wheel slip exceeds front wheel slip for
the specified value or more, and controls rear wheel brake force
(brake fluid pressure) so that increase of rear wheel slip is pre-
vented and slips on front wheel and rear wheel are nearly equal-
ized. ABS control is applied when slip on each wheel increases
and wheel speed is the threshold value of ABS control or less.
• CONSULT can be used to diagnose the system.
• Fail-safe function is adopted. When a malfunction occurs in EBD
function, the control is suspended for VDC function, TCS function,
ABS function and EBD function. Refer to
INPUT SIGNAL AND OUTPUT SIGNAL
Major signal transmission between each unit via communication lines is shown in the following table.
VDC/TCS/ABS : Fail-safe
INFOID:0000000009757822
VDC AND TCS FUNCTIONS
VDC warning lamp in combination meter turns ON when a malfunction occurs in system [ABS actuator and
electric unit (control unit)]. The control is suspended for VDC and TCS functions. However, ABS and EBD
functions operate normally.
ABS FUNCTION
ABS warning lamp and SLIP indicator lamp in combination meter turn ON when a malfunction occurs in sys-
tem [ABS actuator and electric unit (control unit)]. The control is suspended for VDC, TCS and ABS functions.
However, EBD functions operate normally.
EBD FUNCTION
ABS warning lamp, brake warning lamp and SLIP indicator lamp in combination meter turn ON when a mal-
function occurs in system [ABS actuator and electric unit (control unit)]. The control is suspended for VDC,
TCS, ABS and EBD functions.
JPFIC0143GB
Component
Signal description
Combination meter
Receives the following signals from ABS actuator and electric unit (control unit) via CAN com-
munication.
• ABS warning lamp signal
• Brake warning lamp signal
• SLIP indicator lamp signal
SYSTEM
BRC-29
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
DTC
Malfunction detected condition
Fail-safe condition
C1101
When an open circuit is detected in rear RH wheel sensor circuit.
The following functions are sus-
pended:
• VDC
• ABS
• EBD (only when both rear wheels
are malfunctioning)
C1102
When an open circuit is detected in rear LH wheel sensor circuit.
C1103
When an open circuit is detected in front RH wheel sensor circuit.
C1104
When an open circuit is detected in front LH wheel sensor circuit.
C1105
• When a short circuit is detected in rear RH wheel sensor circuit.
• When power supply voltage of rear RH wheel sensor is in following state.
- Rear RH wheel sensor power supply voltage: 7.2 V
≥ Rear RH wheel sensor pow-
er supply voltage
• When distance between rear RH wheel sensor and rear RH wheel sensor rotor is
large.
• When installation of rear RH wheel sensor or rear RH wheel sensor rotor is not
normal.
C1106
• When a short circuit is detected in rear LH wheel sensor circuit.
• When power supply voltage of rear LH wheel sensor is in following state.
- Rear LH wheel sensor power supply voltage: 7.2 V
≥ Rear LH wheel sensor power
supply voltage
• When distance between rear LH wheel sensor and rear LH wheel sensor rotor is
large.
• When installation of rear LH wheel sensor or rear LH wheel sensor rotor is not nor-
mal.
C1107
• When a short circuit is detected in front RH wheel sensor circuit.
• When power supply voltage of front RH wheel sensor is in following state.
- Front RH wheel sensor power supply voltage: 7.2 V
≥ Front RH wheel sensor
power supply voltage
• When distance between front RH wheel sensor and front RH wheel sensor rotor
is large.
• When installation of front RH wheel sensor or front RH wheel sensor rotor is not
normal.
C1108
• When a short circuit is detected in front LH wheel sensor circuit.
• When power supply voltage of front LH wheel sensor is in following state.
- Front LH wheel sensor power supply voltage: 7.2 V
≥ Front LH wheel sensor pow-
er supply voltage
• When distance between front LH wheel sensor and front LH wheel sensor rotor is
large.
• When installation of front LH wheel sensor or front LH wheel sensor rotor is not
normal.
C1109
• When ignition power supply voltage is in following state.
- Ignition power supply voltage: 10 V
≥ Ignition power supply voltage.
- Ignition power supply voltage: 16 V
≤ Ignition power supply voltage.
The following functions are sus-
pended:
• VDC
• TCS
• ABS
• EBD
C1110
When there is an internal malfunction in the ABS actuator and electric unit (control
unit).
C1111
When a malfunction is detected in motor or motor relay.
The following functions are sus-
pended:
• VDC
• TCS
• ABS
C1113
When a malfunction is detected in longitudinal G signal.
The following functions are sus-
pended:
• VDC
• TCS
C1115
When difference in wheel speed between any wheel and others is detected when
the vehicle is driven, because of installation of tires other than specified.
The following functions are sus-
pended:
• VDC
• TCS
• ABS
• EBD
BRC-30
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
SYSTEM
C1116
When stop lamp switch signal is not input when brake pedal operates.
The following functions are sus-
pended:
• VDC
• TCS
C1120
When a malfunction is detected in front LH ABS IN valve.
The following functions are sus-
pended:
• VDC
• TCS
• ABS
• EBD
C1121
When a malfunction is detected in front LH ABS OUT valve.
C1122
When a malfunction is detected in front RH ABS IN valve.
C1123
When a malfunction is detected in front RH ABS OUT valve.
C1124
When a malfunction is detected in rear LH ABS IN valve.
C1125
When a malfunction is detected in rear LH ABS OUT valve.
C1126
When a malfunction is detected in rear RH ABS IN valve.
C1127
When a malfunction is detected in rear RH ABS OUT valve.
C1130
When a malfunction is detected in ECM system.
The following functions are sus-
pended:
• VDC
• TCS
C1140
When a malfunction is detected in actuator relay.
The following functions are sus-
pended:
• VDC
• TCS
• ABS
• EBD
C1142
When a malfunction is detected in VDC pressure sensor.
The following functions are sus-
pended:
• VDC
• TCS
C1143
When a malfunction is detected in steering angle sensor.
C1144
When neutral position adjustment of steering angle sensor is not complete.
C1145
When a malfunction is detected in yaw rate signal, or signal line of yaw rate/side/
decel G sensor is open or shorted.
C1146
When a malfunction is detected in side G signal, or signal line of yaw rate/side/decel
G sensor is open or shorted.
C1155
When brake fluid level low signal is detected.
The following functions are sus-
pended:
• VDC
• TCS
C1164
When a malfunction is detected in cut valve 1.
The following functions are sus-
pended:
• VDC
• TCS
• ABS
• EBD
C1165
When a malfunction is detected in cut valve 2.
C1166
When a malfunction is detected in suction valve 1.
C1167
When a malfunction is detected in suction valve 2.
C1170
When the information in ABS actuator and electric unit (control unit) is not the same.
The following functions are sus-
pended:
• VDC
• TCS
• ABS
U1000
When CAN communication signal is not continuously transmitted or received for 2
seconds or more.
The following functions are sus-
pended:
• VDC
• TCS
U1002
When ABS actuator and electric unit (control unit) is not transmitting or receiving
CAN communication signal for 2 seconds or less.
U1010
When detecting error during the initial diagnosis of CAN controller of ABS actuator
and electric unit (control unit).
DTC
Malfunction detected condition
Fail-safe condition
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