Nissan Note E12. Manual — part 83
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-23
< ECU DIAGNOSIS INFORMATION >
[ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Note 1: Confirm tire pressure is normal.
Note 2: On and off timing for warning lamps and indicator lamps.
• Refer to
RR RH OUT SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
RR LH IN SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
RR LH OUT SOL
Operation status of all solenoid valves
Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT) or actuator
relay is inactive (in fail-safe mode)
On
When the actuator (solenoid valve) is not
active and actuator relay is active (igni-
tion switch ON)
Off
EBD WARN LAMP
EBD warning lamp
(Note 2)
When EBD warning lamp is ON
On
When EBD warning lamp is OFF
Off
STOP LAMP SW
Brake pedal operation
When brake pedal is depressed
On
When brake pedal is not depressed
Off
MOTOR RELAY
Motor and motor relay operation
When the motor relay and motor are op-
erating
On
When the motor relay and motor are not
operating
Off
ACTUATOR RLY
Actuator relay operation
When the actuator relay is operating
On
When the actuator relay is not operating
Off
ABS WARN LAMP
ABS warning lamp
(Note 2)
When ABS warning lamp is ON
On
When ABS warning lamp is OFF
Off
BATTERY VOLT
Battery voltage supplied to the ABS actuator
and electric unit (control unit)
Ignition switch ON
10 – 16 V
ENGINE SPEED
Engine speed status
Engine stopped
0 RPM
Engine running
Almost same read-
ing as tachometer
EBD SIGNAL
EBD operation
EBD is active
On
EBD is inactive
Off
ABS SIGNAL
ABS operation
ABS is active
On
ABS is inactive
Off
EBD FAIL SIG
EBD fail-safe signal
In EBD fail-safe
On
EBD is normal
Off
ABS FAIL SIG
ABS fail-safe signal
In ABS fail-safe
On
ABS is normal
Off
CRANKING SIG
Crank operation
Crank is active
On
Crank is inactive
Off
Monitor item
Display content
Data monitor
Condition
Reference value in
normal operation
BRC-24
< ECU DIAGNOSIS INFORMATION >
[ABS]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
• Refer to
.
Fail-safe
INFOID:0000000009365067
ABS FUNCTION
ABS 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 ABS functions. However, EBD functions operate nor-
mally.
EBD FUNCTION
ABS warning lamp, brake warning lamp in combination meter turn ON when a malfunction occurs in system
[ABS actuator and electric unit (control unit)]. The control is suspended for ABS and EBD functions.
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:
• 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:
• ABS
• EBD
C1110
When there is an internal malfunction in the ABS actuator and electric unit (control
unit).
C1111
When there is a failure on the pump motor
The following functions are sus-
pended:
• ABS
• EBD
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.
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-25
< ECU DIAGNOSIS INFORMATION >
[ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
DTC Inspection Priority Chart
INFOID:0000000009365068
When multiple DTCs are displayed simultaneously, check each one using the following priority list.
C1120
When a malfunction is detected in front LH ABS IN valve.
The following functions are sus-
pended:
• 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 CAN signal malfunction is detected..
C1140
When a malfunction is detected in actuator relay.
The following functions are sus-
pended:
• ABS
• EBD
U1000
When CAN communication signal is not continuously transmitted or received for 2
seconds or more.
U1010
When detecting error during the initial diagnosis of CAN controller of ABS actuator
and electrical unit (control unit).
DTC
Malfunction detected condition
Fail-safe condition
Priority
Detected item (DTC)
1
• U1000 CAN COMM CIRCUIT
• U1010 CAN COMM CIRCUIT
2
• C1110 CONTROLLER FAILURE
3
• C1130 ENGINE SIGNAL 1
• C1144 ST ANG SEN SIGNAL
4
• C1109 BATTERY VOLTAGE [ABNORMAL]
• C1111 PUMP MOTOR
• C1140 ACTUATOR RLY
5
• C1101 RR RH SENSOR-1
• C1102 RR LH SENSOR-1
• C1103 FR RH SENSOR-1
• C1104 FR LH SENSOR-1
• C1105 RR RH SENSOR-2
• C1106 RR LH SENSOR-2
• C1107 FR RH SENSOR-2
• C1108 FR LH SENSOR-2
• C1115 ABS SENSOR [ABNORMAL SIGNAL]
• C1120 FR LH IN ABS SOL
• C1121 FR LH OUT ABS SOL
• C1122 FR RH IN ABS SOL
• C1123 FR RH OUT ABS SOL
• C1124 RR LH IN ABS SOL
• C1125 RR LH OUT ABS SOL
• C1126 RR RH IN ABS SOL
• C1127 RR RH OUT ABS SOL
BRC-26
< ECU DIAGNOSIS INFORMATION >
[ABS]
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
DTC Index
INFOID:0000000009365069
DTC
Items (CONSULT screen terms)
Reference
C1101
RR RH SENSOR-1
C1102
RR LH SENSOR-1
C1103
FR RH SENSOR-1
C1104
FR LH SENSOR-1
C1105
RR RH SENSOR-2
C1106
RR LH SENSOR-2
C1107
FR RH SENSOR-2
C1108
FR LH SENSOR-2
C1109
BATTERY VOLTAGE [ABNORMAL]
C1110
CONTROLLER FAILURE
C1111
PUMP MOTOR
C1115
ABS SENSOR [ABNORMAL SIGNAL]
C1120
FR LH IN ABS SOL
C1121
FR LH OUT ABS SOL
C1122
FR RH IN ABS SOL
C1123
FR RH OUT ABS SOL
C1124
RR LH IN ABS SOL
C1125
RR LH OUT ABS SOL
C1126
RR RH IN ABS SOL
C1127
RR RH OUT ABS SOL
C1130
ENGINE SIGNAL 1
C1140
ACTUATOR RLY
U1000
CAN COMM CIRCUIT
U1010
CONTROL UNIT [CAN]
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