Nissan Sentra. Instruction — part 170
C1113, C1145, C1146 YAW RATE/SIDE/DECEL G SENSOR
BRC-67
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1113, C1145, C1146 YAW RATE/SIDE/DECEL G SENSOR
DTC Logic
INFOID:0000000009757844
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF DIAGNOSTIC RESULT
With CONSULT.
1. Turn ignition switch OFF to ON.
2. Perform self diagnostic result.
Is DTC C1113, C1145 or C1146 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009757845
1.
REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
Replace ABS actuator and electric unit (control unit).
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-110, "Removal and Installa-
.
DTC
Display Item
Malfunction detected condition
Possible causes
C1113
G SENSOR
When a malfunction is detected in longitunal G sensor
signal.
• ABS actuator and electric unit
(control unit)
C1145
YAW RATE SENSOR
• When a malfunction is detected in yaw rate signal.
• When yaw rate signal is not continuously received
for 2 seconds or more.
• When side G signal is not continuously received for
2 seconds or more.
• When decel G signal is not continuously received
for 2 seconds or more.
C1146
SIDE G-SEN CIRCUIT
When a malfunction is detected in side/decel G sig-
nal.
BRC-68
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1115 ABS SENSOR [ABNORMAL SIGNAL]
C1115 ABS SENSOR [ABNORMAL SIGNAL]
DTC Logic
INFOID:0000000009757846
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:0000000009757847
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-106, "FRONT WHEEL SENSOR : Removal and Installa-
or
BRC-107, "REAR WHEEL SENSOR : Removal and Installation"
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)
C1115 ABS SENSOR [ABNORMAL SIGNAL]
BRC-69
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
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
.
NO
>> Repair the circuit.
Wheel Sensor
Ground
Continuity
Wheel
Connector
Terminal
Front LH
E61
1
—
No
2
Front RH
E52
1
2
Rear LH
B54
1
2
Rear RH
B55
1
2
Wheel sensor
ABS actuator and electric unit (control unit)
Wheel sensor
Continuity
Connector
Terminal
Connector
Terminal
Yes
Front LH
E33
8
E61
2
19
1
Front RH
4
E52
2
16
1
Rear LH
18
B54
2
31
1
Rear RH
29
B55
2
17
1
BRC-70
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
C1116 STOP LAMP SWITCH
C1116 STOP LAMP SWITCH
DTC Logic
INFOID:0000000009757848
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF-DIAGNOSIS RESULTS
Check the self-diagnosis results.
Is above displayed on the self-diagnosis display?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009757849
Regarding Wiring Diagram information, refer to
1.
CONNECTOR INSPECTION
1. Disconnect stop lamp switch connector and ABS actuator and electric unit (control unit) connector.
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 STOP LAMP SWITCH CIRCUIT
1. Connect stop lamp switch connector.
2. Check voltage between ABS actuator and electric unit (control unit) connector E33 terminal 30 and
ground.
Is the inspection result normal?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-110, "Removal and Installa-
.
NO
>> GO TO 3
3.
CHECK STOP LAMP SWITCH CIRCUIT FOR OPEN
1. Disconnect stop lamp switch connector.
2. Check continuity between ABS actuator and electric unit (control unit) connector E33 terminal 30 and stop
lamp switch connector E60 terminal 2.
DTC
Display item
Malfunction detected condition
Possible cause
C1116
STOP LAMP SW
When stop lamp switch circuit is open.
• Harness or connector
• Stop lamp switch
• ABS actuator and electric unit
(control unit)
Self-diagnosis results
STOP LAMP SW
ABS actuator and electric unit (control unit)
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
E33
30
—
Brake pedal depressed
Battery voltage
Brake pedal released
0V
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