Nissan Titan A60. Instruction — part 162
BRC-26
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
P POSI SIG
(On/Off)
–
–
×
Shift position judged by transmission range switch
signal.
CV1
(On/Off)
–
–
×
Front side switch-over solenoid valve (cut valve) (On/
Off) status is displayed.
CV2
(On/Off)
–
–
×
Rear side switch-over solenoid valve (cut-valve) (On/
Off) status is displayed.
SV1
(On/Off)
–
–
×
Front side switch-over solenoid valve (suction valve)
(On/Off) status is displayed.
SV2
(On/Off)
–
–
×
Rear side switch-over solenoid valve (suction valve)
(On/Off) status is displayed.
2WD/4WD
(2WD/4WD)
–
–
×
It recognizes on software whether it is 2WD and
whether it is in 4WD state.
ACCEL POS SIG
(%)
×
–
×
Throttle valve open/close status judged by CAN com-
munication signal is displayed.
SIDE G-SENSOR
(m/s
2
)
×
–
×
Transverse acceleration detected by side G-sensor is
displayed.
STR ANGLE SIG
(deg)
×
–
×
Steering angle detected by steering angle sensor is
displayed.
BST OPER SIG
(On/Off)
–
–
×
Active booster operation (On/Off) status is displayed.
PRESS SENSOR
(bar)
×
–
×
Brake pressure detected by pressure sensor is dis-
played.
EBD SIGNAL
(On/Off)
–
–
×
EBD operation (On/Off) status is displayed.
ABS SIGNAL
(On/Off)
–
–
×
ABS operation (On/Off) status is displayed.
TCS SIGNAL
(On/Off)
–
–
×
TCS operation (On/Off) status is displayed.
VDC SIGNAL
(On/Off)
–
–
×
VDC operation (On/Off) status is displayed.
EBD FAIL SIG
(On/Off)
–
–
×
EBD fail signal (On/Off) status is displayed.
ABS FAIL SIG
(On/Off)
–
–
×
ABS fail signal (On/Off) status is displayed.
TCS FAIL SIG
(On/Off)
–
–
×
TCS fail signal (On/Off) status is displayed.
VDC FAIL SIG
(On/Off)
–
–
×
VDC fail signal (On/Off) status is displayed.
CRANKING SIG
(On/Off)
–
–
×
The input state of the key SW START position signal
is displayed.
FLUID LEV SW
(On/Off)
×
–
×
Brake fluid level switch (On/Off) status is displayed.
PRESS SEN2
(bar)
–
–
×
Brake pressure detected by pressure sensor is dis-
played.
DELTA S SEN
(mm)
–
–
×
The amount of stroke sensor movements in the active
booster detected by DELTA S SEN is displayed.
RELEASE SW NO
(On/Off)
–
–
×
Release switch signal (On/Off) status is displayed.
“On” indicates that the brake pedal is depressed. “Off”
indicates that the brake pedal is released.
Item
(Unit)
Data monitor item selection
Remarks
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
BRC-27
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
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×: Applicable
–: Not applicable
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 “MAIN SIGNALS” 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.
RELEASE SW NC
(On/Off)
–
–
×
Release switch signal (On/Off) status is displayed.
“Off” indicates that the brake pedal is depressed. “On”
indicates that the brake pedal is released.
OHB FAIL
(On/Off)
–
–
×
OHB fail status is displayed.
HBA FAIL
(On/Off)
–
–
×
HBA fail status is displayed.
OHB SIG
(On/Off)
–
–
×
OHB operation (On/Off) status is displayed.
HBA SIG
(On/Off)
–
–
×
HBA operation (On/Off) status is displayed.
STP OFF RLY
(On/Off)
–
–
×
Stop lamp relay signal (On/Off) status is displayed.
Item
(Unit)
Data monitor item selection
Remarks
ECU INPUT
SIGNALS
MAIN
SIGNALS
SELECTION
FROM MENU
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
CV1
—
—
—
Off
On
On
SV1
—
—
—
Off
On*
Off
BRC-28
< SYSTEM DESCRIPTION >
[VDC/TCS/ABS]
DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL
UNIT)]
*: On for 1 to 2 seconds after the touch, and then Off
ABS MOTOR
• Touch “On” and “Off” on screen. Make sure motor relay and actuator relay operates as shown in table below.
BOOSTER DRIVE
• Touch “Up” and “Down” on the screen. Check that booster drive operates as shown in table below.
CAUTION:
Perform active test subject to the conditions below.
• Do not operate brake pedal during active test.
• Make sure the engine revolution is over 500 rpm.
• Make sure the vehicle is not moving.
FR LH ABS SOLENOID (ACT)
FR LH IN SOL
—
—
—
Off
Off
Off
FR LH OUT SOL
—
—
—
Off
Off
Off
CV1
—
—
—
Off
On
On
SV1
—
—
—
Off
On*
Off
RR RH ABS SOLENOID (ACT)
RR RH IN SOL
—
—
—
Off
Off
Off
RR RH OUT SOL
—
—
—
Off
Off
Off
CV2
—
—
—
Off
On
On
SV2
—
—
—
Off
On*
Off
RR LH ABS SOLENOID (ACT)
RR LH IN SOL
—
—
—
Off
Off
Off
RR LH OUT SOL
—
—
—
Off
Off
Off
CV2
—
—
—
Off
On
On
SV2
—
—
—
Off
On*
Off
Operation
ABS solenoid valve
ABS solenoid valve (ACT)
Up
Keep
Down
Up
ACT UP
ACT KEEP
Operation
On
Off
MOTOR RELAY
On
Off
ACTUATOR RLY
On
On
Operation
Up
Down
BST OPER SIG
On
Off
PRESS SENSOR
50
± 5 bar
0 bar
PRESS SEN2
50
± 5 bar
0 bar
STOP LAMP SW
On
Off
STP OFF RLY
Off
Off
C1101, C1102, C1103, C1104 WHEEL SENSOR-1
BRC-29
< DTC/CIRCUIT DIAGNOSIS >
[VDC/TCS/ABS]
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DTC/CIRCUIT DIAGNOSIS
C1101, C1102, C1103, C1104 WHEEL SENSOR-1
Description
INFOID:0000000006165829
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:0000000006165830
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:0000000006165831
Regarding Wiring Diagram information, refer to
CAUTION:
Do not check between wheel sensor terminals.
1.
CONNECTOR INSPECTION
1. Disconnect the ABS actuator and electric unit (control unit) connector and wheel sensor of malfunctioning
code.
2. Check the 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.
DTC
Display item
Malfunction detected condition
Possible cause
C1101
RR RH SENSOR-1
Circuit of rear RH wheel sensor is open. Or when the sen-
sor power voltage is outside the standard.
• Harness or connector
• Wheel sensor
• ABS actuator and electric unit
(control unit)
C1102
RR LH SENSOR-1
Circuit of rear LH wheel sensor is open. Or when the sen-
sor power voltage is outside the standard.
C1103
FR RH SENSOR-1
Circuit of front RH wheel sensor is open. Or when the
sensor power voltage is outside the standard.
C1104
FR LH SENSOR-1
Circuit of front LH wheel sensor is open. Or when the
sensor power voltage is outside the standard.
Self-diagnosis results
RR RH SENSOR-1
RR LH SENSOR-1
FR RH SENSOR-1
FR LH SENSOR-1
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