Nissan Frontier D40. Manual - part 81

BRC-22

< FUNCTION DIAGNOSIS >

[TYPE 1]

DIAGNOSIS SYSTEM [ABS ACTUATOR AND ELECTRIC UNIT (CONTROL 

UNIT)]

×

: Applicable

–: Not applicable

ACTIVE TEST MODE

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 or brake warning lamp on.
• ABS warning 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.
• Touch “Up”, “Keep”, and “Down” on the display screen and confirm that solenoid valves operate as shown in

the table below.

FR RH OUT SOL
(On/Off)

–

×

×

Front RH OUT ABS solenoid (On/
Off) status is displayed.

FR LH IN SOL
(On/Off)

–

×

×

Front LH IN ABS solenoid (On/Off) 
status is displayed.

FR LH OUT SOL
(On/Off)

–

×

×

Front LH OUT ABS solenoid (On/
Off) status is displayed.

REAR IN SOL
(On/Off)

–

×

×

Rear IN ABS solenoid (On/Off) sta-
tus is displayed.

REAR OUT SOL
(On/Off) 

–

×

×

Rear OUT ABS solenoid (On/Off) 
status is displayed.

EBD WARN LAMP
(On/Off)

–

–

×

Brake warning lamp (On/Off) status 
is displayed.

STOP LAMP SW
(On/Off)

×

×

×

Stop lamp switch (On/Off) status is 
displayed.

MOTOR RELAY
(On/Off)

–

×

×

ABS motor relay signal (On/Off) sta-
tus is displayed.

ACTUATOR RLY
(On/Off)

–

×

×

ABS actuator relay signal (On/Off) 
status is displayed.

ABS WARN LAMP
(On/Off)

–

×

×

ABS warning lamp (On/Off) status is 
displayed.

BATTERY VOLT
(V)

×

×

×

Voltage supplied to ABS actuator 
and electric unit (control unit) 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.

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 dis-
played.

CRANKING SIG
(On/Off)

–

–

×

The input state of the key SW 
START position signal is displayed.

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-23

< FUNCTION DIAGNOSIS >

[TYPE 1]

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*: 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 operate as shown in table below.

Operation

ABS solenoid valve

Up

Keep

Down

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*

REAR SOL

RR RH IN SOL

Off

On

On

RR RH OUT SOL

Off

Off

On*

RR LH IN SOL

Off

On

On

RR LH OUT SOL

Off

Off

On*

Operation

On

Off

MOTOR RELAY

On

Off

ACTUATOR RLY

On

On

BRC-24

< COMPONENT DIAGNOSIS >

[TYPE 1]

APPLICATION NOTICE

COMPONENT DIAGNOSIS

APPLICATION NOTICE

Application Notice

INFOID:0000000005548017

Service information

Remarks

TYPE 1

ABS

TYPE 2

VDC/TCS/ABS

TYPE 3

HILL DESCENT CONTROL/HILL START ASSIST/VDC/TCS/ABS

C1101, C1102, C1103, C1104 WHEEL SENSOR-1

BRC-25

< COMPONENT DIAGNOSIS >

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C1101, C1102, C1103, C1104 WHEEL SENSOR-1

Description

INFOID:0000000005275049

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:0000000005275050

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-25, "Diagnosis Procedure"

.

NO

>> Inspection End

Diagnosis Procedure

INFOID:0000000005275051

Regarding Wiring Diagram information, refer to 

BRC-51, "Wiring Diagram - BRAKE CONTROL SYSTEM -

ABS"

.

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.
NOTE:

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