Nissan Versa Sedan. Instruction — part 109
SYSTEM
BRC-29
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
• During braking, control unit portion compares slight slip on front
and rear wheels by wheel speed sensor signal, transmits drive sig-
nal 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
prevented and slips on front wheel and rear wheel are nearly
equalized. 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:0000000009267599
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
BRC-30
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
SYSTEM
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
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
C1116
When stop lamp switch signal is not input when brake pedal operates.
The following functions are sus-
pended:
• VDC
• TCS
SYSTEM
BRC-31
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
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.
C1153
When ABS actuator and electric unit (control unit) is malfunctioning. (Pressure in-
crease is too much or too little.)
The following functions are sus-
pended:
• VDC
• TCS
• ABS
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.
DTC
Malfunction detected condition
Fail-safe condition
BRC-32
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
CONSULT Function (ABS)
INFOID:0000000009267600
APPLICATION ITEMS
CONSULT can display each diagnostic item using the following direct diagnostic modes.
ECU IDENTIFICATION
ABS actuator and electric unit (control unit) part number is displayed.
SELF DIAGNOSTIC RESULT
Operation Procedure
1. Before performing the self-diagnosis, start engine and drive vehicle at 30 km/h (19 MPH) or more for
approximately 1 minute.
How To Erase Self Diagnostic Result
1. After erasing DTC memory, start engine and drive vehicle at 30 km/h (19 MPH) or more for approximately
1 minute as the final inspection, and make sure that the ABS warning lamp, VDC OFF indicator lamp,
SLIP indicator lamp and brake warning lamp turn OFF.
CAUTION:
If memory cannot be erased, perform applicable diagnosis.
NOTE:
• When the wheel sensor malfunctions, after inspecting the wheel sensor system, the ABS warning lamp,
SLIP indicator lamp and brake warning lamp will not turn OFF even when the system is normal, unless
the vehicle is driven at approximately 30 km/h (19 MPH) or more for approximately 1 minute.
• Brake warning lamp will turn ON in case of parking brake operation (when switch is ON) or of brake fluid
level switch operation (when brake fluid is insufficient).
• VDC OFF switch should not stay in ON position.
Display Item List
.
DATA MONITOR
Direct Diagnostic Mode
Description
ECU identification
The ABS actuator and electric unit (control unit) part number is displayed.
Self Diagnostic Result
The ABS actuator and electric unit (control unit) self diagnostic results are displayed.
Data Monitor
The ABS actuator and electric unit (control unit) input/output data is displayed in real time.
Active Test
The ABS actuator and electric unit (control unit) activates outputs to test components.
Work support
The settings for ABS actuator and electric unit (control unit) functions can be changed.
CAN DIAG SUPPORT MNTR
The result of transmit/receive diagnosis of CAN communication is displayed.
Item
(Unit)
Data monitor item selection
Remarks
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
FR LH SENSOR
(km/h, mph)
×
×
×
Wheel speed (km/h, mph) calculated by front wheel
sensor LH signal is displayed.
FR RH SENSOR
(km/h, mph)
×
×
×
Wheel speed (km/h, mph) calculated by front wheel
sensor RH signal is displayed.
RR LH SENSOR
(km/h, mph)
×
×
×
Wheel speed (km/h, mph) calculated by rear wheel
sensor LH signal is displayed.
RR RH SENSOR
(km/h, mph)
×
×
×
Wheel speed (km/h, mph) calculated by rear wheel
sensor RH signal is displayed.
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