Nissan Xterra. Manual — part 125
C1105, C1106, C1107, C1108 WHEEL SENSOR
BRC-157
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C
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G
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A
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BRC
N
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Is the inspection result normal?
YES
>> GO TO 3.
NO
>> Repair or replace as necessary.
3.
CHECK WHEEL SENSOR
Check wheel sensor for the following:
• Proper installation
• Physical damage
• Contamination
Is the inspection result normal?
YES
>> GO TO 4.
NO
>> Repair or replace as necessary.
4.
CHECK SENSOR ROTOR
Check sensor rotor for the following:
• Contamination
• Physical damage (missing teeth, cracks, etc.)
• Foreign material
• Looseness
Is the inspection result normal?
YES
>> Replace the wheel sensor. Refer to
BRC-232, "Removal and Installation"
. Then, GO TO 5.
NO
>> Repair or replace as necessary.
5.
CONFIRM REPAIR
With CONSULT
1. Clear all DTCs.
2. Perform DTC confirmation procedure. Refer to
Does DTC C1105, C1106, C1107 or C1108 reset?
YES
>> Replace ABS actuator and electric unit (control unit). Refer to
BRC-234, "Removal and Installa-
.
NO
>> Inspection End.
Component Inspection
INFOID:0000000010255732
1.
CHECK DATA MONITOR
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-166, "Diagnosis Procedure"
.
Special Repair Requirement
INFOID:0000000010255733
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
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-158
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C1105, C1106, C1107, C1108 WHEEL SENSOR
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
C1109 POWER AND GROUND SYSTEM
BRC-159
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
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C1109 POWER AND GROUND SYSTEM
Description
INFOID:0000000009482757
Supplies electric power to the ABS actuator and electric unit (control unit).
DTC Logic
INFOID:0000000009482758
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
BRC-159, "Diagnosis Procedure"
NO
>> Inspection End
Diagnosis Procedure
INFOID:0000000009482759
Regarding Wiring Diagram information, refer to
BRC-211, "Wiring Diagram - WITH HILL DESCENT CON-
1.
CONNECTOR INSPECTION
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check terminals for deformation, disconnection, looseness, and so on. If any malfunction is found, repair
or replace terminals.
4. Reconnect connectors and then perform the self-diagnosis. Refer to
.
Is any item indicated on the self-diagnosis display?
YES
>> GO TO 2
NO
>> Poor connection of connector terminals. Repair or replace connector.
2.
CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUIT AND
GROUND CIRCUIT
1. Turn ignition switch OFF.
2. Disconnect ABS actuator and electric unit (control unit) connector.
3. Check voltage between ABS actuator and electric unit (control unit) connector E125 terminal 8 and
ground.
DTC
Display item
Malfunction detected condition
Possible cause
C1109
BATTERY VOLTAGE
[ABNORMAL]
When the ABS actuator and electric unit (control unit)
power supply voltage is lower than normal.
• Harness or connector
• ABS actuator and electric unit
(control unit)
Self-diagnosis results
BATTERY VOLTAGE [ABNORMAL]
ABS actuator and elec-
tric unit (control unit)
—
Condition
Voltage
Connector
Terminal
E125
8
Ground
Ignition switch: ON
Battery voltage
Ignition switch: OFF
Approx. 0V
BRC-160
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 2]
C1109 POWER AND GROUND SYSTEM
4. Turn ignition switch OFF.
5. Check continuity between ABS actuator and electric unit (control unit) connector E125 terminals 16, 47
and ground.
Is the inspection result normal?
YES
>> Check battery for terminal looseness, low voltage, etc. If any malfunction is found, repair malfunc-
tioning parts.
NO
>> Repair or replace malfunctioning components.
Special Repair Requirement
INFOID:0000000009482760
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
ABS actuator and electric unit
(control unit)
—
Continuity
Connector
Terminal
E125
16, 47
Ground
Yes
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