Nissan Xterra. Manual — part 124
C1101, C1102, C1103, C1104 WHEEL SENSOR
BRC-153
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
Is the inspection result normal?
YES
>> GO TO 7.
NO
>> Repair the circuit.
7.
CHECK WIRING HARNESS FOR SHORT BETWEEN CIRCUITS
Check continuity between wheel sensor harness connector terminals of suspect wheel.
Is the inspection result normal?
YES
>> GO TO 8.
NO
>> Repair the circuit.
8.
CHECK WIRING HARNESS FOR OPEN CIRCUIT
Check continuity between ABS actuator and electric unit (control unit) connector E125 and wheel sensor con-
nector of wheel with DTC.
Is the inspection result normal?
YES
>> GO TO 9.
NO
>> Repair the circuit.
9.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT
1. Turn ignition switch ON.
2. Check voltage between ABS actuator and electric unit (control unit) harness connector E125 terminal and
ground.
Front LH
E18
1
—
No
2
Front RH
E117
1
2
Rear LH
C11
1
2
Rear RH
C10
1
2
Wheel Sensor
(+)
(-)
Continuity
Wheel
Connector
Terminal
Terminal
Front LH
E18
1
2
No
Front RH
E117
Rear LH
C11
Rear RH
C10
Wheel sensor
ABS actuator and electric unit (control unit)
Wheel sensor
Continuity
Connector
Terminal
Connector
Terminal
Yes
Front LH
E125
45
E18
1
46
2
Front RH
34
E117
1
33
2
Rear LH
36
C11
1
37
2
Rear RH
43
C10
1
42
2
BRC-154
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C1101, C1102, C1103, C1104 WHEEL SENSOR
Is the inspection result normal?
YES
>> GO TO 10.
NO
>> Check the following:
• 10A fuse No. 50 located in the IPDM E/R
• Harness between ABS actuator and electric unit (control unit) and IPDM E/R
10.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Check continuity between ABS actuator and electric unit (control unit) connector E125 terminals and
ground.
Is the inspection result normal?
YES
>> GO TO 11.
NO
>> Repair or replace malfunctioning components.
11.
CHECK WHEEL SENSOR INPUT VOLTAGE
1. Connect ABS actuator and electric unit (control unit) connector E125.
2. Turn ignition switch ON.
3. Check voltage between suspect wheel sensor harness connector terminals.
Is the inspection result normal?
YES
>> Replace wheel sensor. Refer to
BRC-232, "Removal and Installation"
. Then, GO TO 12.
NO
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-234, "Removal and Installa-
.
12.
CONFIRM REPAIR
With CONSULT
1. Clear all DTCs.
2. Perform DTC confirmation procedure. Refer to
Does DTC C1101, C1102, C1103 or C1104 reset?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-234, "Removal and Installa-
.
NO
>> Inspection End.
Component Inspection
INFOID:0000000010255727
1.
CHECK DATA MONITOR
ABS actuator and electric unit
(control unit)
Ground
Condition
Voltage
(Approx.)
Connector
Terminal
E125
8
—
Ignition switch ON
Battery voltage
Ignition switch OFF
0V
ABS actuator and electric unit (control unit)
—
Continuity
Connector
Terminal
E125
16
Ground
Yes
47
Wheel Sensor
(+)
(-)
Voltage
(Approx.)
Wheel
Connector
Terminal
Terminal
Front LH
E18
1
2
Battery voltage
Front RH
E117
Rear LH
C11
Rear RH
C10
C1101, C1102, C1103, C1104 WHEEL SENSOR
BRC-155
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
On “DATA MONITOR”, select “FR LH SENSOR”, “FR RH SENSOR”, “RR LH SENSOR”, and “RR RH SEN-
SOR”, and check the vehicle speed.
Is the inspection result normal?
YES
>> Inspection End
NO
>> Go to diagnosis procedure. Refer to
BRC-151, "Diagnosis Procedure"
.
Special Repair Requirement
INFOID:0000000010255728
1.
ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION
Always perform neutral position adjustment for the steering angle sensor when replacing the ABS actuator
and electric unit (control unit). Refer to
BRC-122, "ADJUSTMENT OF STEERING ANGLE SENSOR NEU-
>> GO TO 2
2.
CALIBRATION OF DECEL G SENSOR
Always perform calibration of decel G sensor when replacing the ABS actuator and electric unit (control unit).
BRC-123, "CALIBRATION OF DECEL G SENSOR : Description"
.
>> END
Wheel sensor
Vehicle speed (DATA MONITOR)
FR LH SENSOR
Nearly matches the speedometer dis-
play (
±10% or less)
FR RH SENSOR
RR LH SENSOR
RR RH SENSOR
BRC-156
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C1105, C1106, C1107, C1108 WHEEL SENSOR
C1105, C1106, C1107, C1108 WHEEL SENSOR
Description
INFOID:0000000010255729
When the sensor rotor rotates, the magnetic field changes. It converts the magnetic field changes to current
signals (rectangular wave) and transmits them to the ABS actuator and electric unit (control unit).
DTC Logic
INFOID:0000000010255730
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.
CHECK SELF DIAGNOSTIC RESULT
With
CONSULT.
1. Start engine and drive vehicle at approximately 21 km/h (13 MPH) or more for approximately 5 minutes.
2. Perform self diagnostic result.
Is DTC C1105, C1106, C1107 or C1108 detected?
YES
>> Proceed to diagnosis procedure. Refer to
BRC-156, "Diagnosis Procedure"
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000010255731
Regarding Wiring Diagram information, refer to
BRC-211, "Wiring Diagram - WITH HILL DESCENT CON-
CAUTION:
Do not check between wheel sensor terminals.
1.
CONFIRM DTC
With CONSULT
1. Perform self-diagnostic result of ABS and record all active DTCs.
2. Clear all DTCs.
3. Perform DTC confirmation procedure. Refer to
Does DTC C1105, C1106, C1107 or C1108 reset?
YES
>> GO TO 2.
NO
>> Refer to
GI-40, "Intermittent Incident"
.
2.
CHECK TIRE PRESSURE AND TIRE WEAR
Check tires for excessive wear and proper inflation. Refer to
.
DTC
Display Item
Malfunction detected condition
Possible causes
C1105
RR RH SENSOR-2
• When distance between rear wheel sensor RH and
rear wheel sensor RH rotor is large.
• When installation of rear wheel sensor RH or rear
wheel sensor RH rotor is not normal.
• Wheel sensor
• ABS actuator and electric unit
(control unit)
• Sensor rotor
C1106
RR LH SENSOR-2
• When distance between rear wheel sensor LH and
rear wheel sensor LH rotor is large.
• When installation of rear wheel sensor LH or rear
wheel sensor LH rotor is not normal.
C1107
FR RH SENSOR-2
• When distance between front wheel sensor RH
and front wheel sensor RH rotor is large.
• When installation of front wheel sensor RH or front
wheel sensor RH rotor is not normal.
C1108
FR LH SENSOR-2
• When distance between front wheel sensor LH and
front wheel sensor LH rotor is large.
• When installation of front wheel sensor LH or front
wheel sensor LH rotor is not normal.
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