Nissan Frontier. Manual — part 126
BRC-32
< SYSTEM DESCRIPTION >
[TYPE 1]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
ACTIVE TEST
CAUTION:
• Do not perform active test while driving vehicle.
• Make sure to completely bleed air from brake system.
• The active test cannot be performed with the ABS warning lamp, VDC OFF indicator lamp, SLIP indi-
cator lamp or brake warning lamp on.
• ABS warning lamp, VDC OFF indicator lamp, SLIP indicator lamp and brake warning lamp are on
during active test.
NOTE:
• When active test is performed while depressing the pedal, the pedal depression amount will change. This is
normal. (Only solenoid valve and ABS motor.)
• “TEST IS STOPPED” is displayed 10 seconds after operation start.
• After “TEST IS STOPPED” is displayed, to perform test again, touch BACK.
Test Item
SOLENOID VALVE
• When performing an active test of the ABS function, select the “MAIN SIGNALS” for each test item. In addi-
tion, when performing an active test of the VDC/TCS function, select the item menu for each test item.
• For ABS solenoid valve, touch “Up”, “Keep”, and “Down” on the display screen. For ABS solenoid valve
(ACT), touch “Up”, “ACT UP”, “ACT KEEP” and confirm that solenoid valves operate as shown in the table
below.
*: ON for 1 to 2 seconds after the touch, and then OFF
Conditions
Description
ST ANGLE SENSOR ADJUSTMENT
Steering angle sensor neutral position adjustment can be per-
formed. Refer to
BRC-12, "ADJUSTMENT OF STEERING AN-
GLE SENSOR NEUTRAL POSITION : Description"
DECEL G SEN CALIBRATION
Decel G sensor calibration can be performed. Refer to
"CALIBRATION OF DECEL G SENSOR : Description"
Operation
ABS solenoid valve
ABS solenoid valve (ACT)
Up
Keep
Down
Up
ACT UP
ACT KEEP
FR RH SOL
FR RH IN SOL
Off
On
On
—
—
—
FR RH OUT SOL
Off
Off
On*
—
—
—
FR LH SOL
FR LH IN SOL
Off
On
On
—
—
—
FR LH OUT SOL
Off
Off
On*
—
—
—
RR RH SOL
RR RH IN SOL
Off
On
On
—
—
—
RR RH OUT SOL
Off
Off
On*
—
—
—
RR LH SOL
RR LH IN SOL
Off
On
On
—
—
—
RR LH OUT SOL
Off
Off
On*
—
—
—
FR RH ABS SOLENOID (ACT)
FR RH IN SOL
—
—
—
Off
Off
Off
FR RH OUT SOL
—
—
—
Off
Off
Off
FR LH ABS SOLENOID (ACT)
FR LH IN SOL
—
—
—
Off
Off
Off
FR LH OUT SOL
—
—
—
Off
Off
Off
RR RH ABS SOLENOID (ACT)
RR RH IN SOL
—
—
—
Off
Off
Off
RR RH OUT SOL
—
—
—
Off
Off
Off
RR LH ABS SOLENOID (ACT)
RR LH IN SOL
—
—
—
Off
Off
Off
RR LH OUT SOL
—
—
—
Off
Off
Off
REAR SOL
RR RH IN SOL
Off
On
On
Off
Off
Off
RR RH OUT SOL
Off
Off
On*
Off
Off
Off
RR LH IN SOL
Off
On
On
Off
Off
Off
RR LH OUT SOL
Off
Off
On*
Off
Off
Off
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
BRC-33
< SYSTEM DESCRIPTION >
[TYPE 1]
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BRC
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ABS MOTOR
• Touch “On” and “Off” on screen. Make sure motor relay and actuator relay operates as shown in table below.
Operation
On
Off
MOTOR RELAY
On
Off
ACTUATOR RLY
On
On
BRC-34
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 1]
APPLICATION NOTICE
DTC/CIRCUIT DIAGNOSIS
APPLICATION NOTICE
Application Notice
INFOID:0000000009479253
Service information
Remarks
TYPE 1
VDC/TCS/ABS
TYPE 2
HILL DESCENT CONTROL/HILL START ASSIST/VDC/TCS/ABS
C1101, C1102, C1103, C1104 WHEEL SENSOR
BRC-35
< DTC/CIRCUIT DIAGNOSIS >
[TYPE 1]
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BRC
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C1101, C1102, C1103, C1104 WHEEL SENSOR
Description
INFOID:0000000009479254
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:0000000009479255
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 C1101, C1102, C1103 or C1104 detected?
YES
>> Proceed to diagnosis procedure. Refer to
.
NO
>> Inspection End.
Diagnosis Procedure
INFOID:0000000009479256
Regarding Wiring Diagram information, refer to
BRC-92, "Wiring Diagram - VDC WITHOUT HILL DESCENT
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 C1101, C1102, C1103 or C1104 reset?
YES
>> GO TO 2.
NO
>> Refer to
GI-42, "Intermittent Incident"
.
2.
INSPECT WHEEL SENSOR
Inspect the suspect wheel sensor for damage or deformation.
DTC
Display Item
Malfunction detected condition
Possible causes
C1101
RR RH SENSOR-1
• When power supply voltage of rear wheel sensor
RH is low.
• When an open or shorted circuit is detected in rear
wheel sensor RH circuit.
• Harness or connector
• Wheel sensor
• ABS actuator and electric unit
(control unit)
C1102
RR LH SENSOR-1
• When power supply voltage of rear wheel sensor
LH is low.
• When an open or shorted circuit is detected in rear
wheel sensor LH circuit.
C1103
FR RH SENSOR-1
• When power supply voltage of front wheel sensor
RH is low.
• When an open or shorted circuit is detected in front
wheel sensor RH circuit.
C1104
FR LH SENSOR-1
• When power supply voltage of front wheel sensor
LH is low.
• When an open or shorted circuit is detected in front
wheel sensor LH circuit.
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