Nissan Note E12. Instruction — part 89
C1115 ABS SENSOR [ABNORMAL SIGNAL]
BRC-47
< DTC/CIRCUIT DIAGNOSIS >
[ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1115 ABS SENSOR [ABNORMAL SIGNAL]
DTC Logic
INFOID:0000000009365087
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF DIAGNOSTIC RESULT
With
CONSULT.
1. Start engine and drive vehicle at approximately 30 km/h (19 MPH) or more for approximately 1 minute.
2. Perform self diagnostic result.
Is DTC C1115 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009365088
Regarding Wiring Diagram information, refer to
CAUTION:
Do not check between wheel sensor terminals.
1.
CONNECTOR INSPECTION
1. Disconnect ABS actuator and electric unit (control unit) connector E33 and wheel sensor connector of
wheel with DTC.
2. Check terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace as necessary.
2.
CHECK WHEEL SENSOR OUTPUT SIGNAL
1. Connect ABS active wheel sensor tester (J-45741) to wheel sensor using appropriate adapter.
2. Turn on the ABS active wheel sensor tester power switch.
NOTE:
The green POWER indicator should illuminate. If the POWER indicator does not illuminate, replace the
battery in the ABS active wheel sensor tester before proceeding.
3. Spin the wheel of the vehicle by hand and observe the red SENSOR indicator on the ABS active wheel
sensor tester. The red SENSOR indicator should flash on and off to indicate an output signal.
NOTE:
If the red SENSOR indicator illuminates but does not flash, reverse the polarity of the tester leads and
retest.
Does the ABS active wheel sensor tester detect a signal?
YES
>> GO TO 3.
NO
>> Replace the wheel sensor. Refer to
BRC-69, "FRONT WHEEL SENSOR : Removal and Installa-
(front) or
BRC-70, "REAR WHEEL SENSOR : Removal and Installation"
(rear).
3.
CHECK TIRES
Check the inflation pressure, wear and size of each tire.
Is the inspection result normal?
DTC
Display Item
Malfunction detected condition
Possible causes
C1115
ABS SENSOR
[ABNORMAL SIGNAL]
When difference in wheel speed between any wheel
and others is detected while the vehicle is driven, be-
cause of installation of tires other than specified.
• Harness or connector
• Wheel sensor
• Sensor rotor
• ABS actuator and electric unit
(control unit)
BRC-48
< DTC/CIRCUIT DIAGNOSIS >
[ABS]
C1115 ABS SENSOR [ABNORMAL SIGNAL]
YES
>> GO TO 4.
NO
>> Adjust tire pressure, or replace tire(s).
4.
CHECK WIRING HARNESS FOR SHORT CIRCUIT
Check continuity between wheel sensor connector terminals and ground of wheel with DTC.
Is the inspection result normal?
YES
>> GO TO 5.
NO
>> Repair the circuit.
5.
CHECK WIRING HARNESS FOR OPEN CIRCUIT
Check continuity between ABS actuator and electric unit (control unit) connector E33 and wheel sensor con-
nector of wheel with DTC.
Is the inspection result normal?
YES
>> Replace the ABS actuator and electric unit (control unit). Refer to
BRC-73, "Removal and Installa-
.
NO
>> Repair the circuit.
Wheel Sensor
Ground
Continuity
Wheel
Connector
Terminal
Front LH
E51
1
—
No
2
Front RH
E52
1
2
Rear LH
B22
1
2
Rear RH
B35
1
2
Wheel sensor
ABS actuator and electric unit (control unit)
Wheel sensor
Continuity
Connector
Terminal
Connector
Terminal
Yes
Front LH
E33
37
E51
1
36
2
Front RH
26
E52
1
27
2
Rear LH
30
B22
1
29
2
Rear RH
33
B35
1
34
2
C1120, C1122, C1124, C1126 ABS IN VALVE SYSTEM
BRC-49
< DTC/CIRCUIT DIAGNOSIS >
[ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1120, C1122, C1124, C1126 ABS IN VALVE SYSTEM
DTC Logic
INFOID:0000000009365091
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
1. Turn ignition switch ON.
2. Perform self diagnostic result.
Is DTC C1120, C1122, C1124 or C1126 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009365092
Regarding Wiring Diagram information, refer to
1.
CONNECTOR INSPECTION
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check connector and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES
>> GO TO 2.
NO
>> Repair or replace as necessary.
2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) BATTERY POWER SUPPLY
Check voltage between ABS actuator and electric unit (control unit) connector E33 terminal 25 and ground.
Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace malfunctioning components.
3.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
Check continuity between ABS actuator and electric unit (control unit) connector E33 terminals 13, 38 and
ground.
DTC
Display Item
Malfunction detected condition
Possible causes
C1120
FR LH IN ABS SOL
When a malfunction is detected in front LH ABS IN
valve.
• Harness or connector
• ABS actuator and electric unit
(control unit)
• Fusible link
• Battery power supply system
C1122
FR RH IN ABS SOL
When a malfunction is detected in front RH ABS IN
valve.
C1124
RR LH IN ABS SOL
When a malfunction is detected in rear LH ABS IN
valve.
C1126
RR RH IN ABS SOL
When a malfunction is detected in rear RH ABS IN
valve.
ABS actuator and electric unit (control unit)
—
Voltage
(Approx.)
Connector
Terminal
E33
25
Ground
Battery voltage
BRC-50
< DTC/CIRCUIT DIAGNOSIS >
[ABS]
C1120, C1122, C1124, C1126 ABS IN VALVE SYSTEM
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-73, "Removal and Installa-
.
NO
>> Repair or replace malfunctioning components.
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E33
13
Ground
Yes
38
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