Nissan Frontier. Manual - part 129

BRC-44

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

C1109 POWER AND GROUND SYSTEM

4. Turn ignition switch OFF.

5. Check continuity between ABS actuator and electric unit (control unit) connector E127 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:0000000009479267

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-12, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL

POSITION : Description"

.

>> 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).

Refer to 

BRC-13, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

ABS actuator and electric unit

(control unit)

—

Continuity

Connector

Terminal

E127

16, 47

Ground

Yes

C1110, C1170 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-45

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

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C1110, C1170 ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

DTC Logic

INFOID:0000000009479268

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-45, "Diagnosis Procedure"

.

NO

>> Inspection End

Diagnosis Procedure

INFOID:0000000009479269

1.

REPLACE ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-115, "Removal and Installa-

tion"

.

Special Repair Requirement

INFOID:0000000009479270

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-12, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL

POSITION : Description"

.

>> 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).

Refer to 

BRC-13, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

DTC

Display item

Malfunction detected condition

Possible cause

C1110

CONTROLLER FAILURE

When there is an internal malfunction in the ABS actuator 
and electric unit (control unit).

• ABS actuator and electric unit 

(control unit)

C1170

VARIANT CODING

In a case where VARIANT CODING is different.

Self-diagnosis results

CONTROLLER FAILURE

VARIANT CODING

BRC-46

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

C1111 ABS MOTOR, MOTOR RELAY SYSTEM

C1111 ABS MOTOR, MOTOR RELAY SYSTEM

Description

INFOID:0000000009479271

PUMP

The pump returns the brake fluid stored in the reservoir to the master cylinder by reducing the pressure. 

MOTOR

The motor drives the pump according to the signals transmitted by the ABS actuator and electric unit (control

unit). 

DTC Logic

INFOID:0000000009479272

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-46, "Diagnosis Procedure"

.

NO

>> Inspection End

Diagnosis Procedure

INFOID:0000000009479273

Regarding Wiring Diagram information, refer to 

BRC-92, "Wiring Diagram - VDC WITHOUT HILL DESCENT

CONTROL/HILL START ASSIST"

.

1.

CONNECTOR INSPECTION

1. Turn ignition switch OFF.

2. Disconnect ABS actuator and electric unit (control unit) connector.

3. Check terminals for deformation, disconnect, looseness, and so on. If any malfunction is found, repair or

replace terminals.

4. Reconnect connectors and then perform the self-diagnosis. Refer to 

BRC-29, "CONSULT Function

(ABS)"

.

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 MOTOR AND MOTOR RELAY POWER SUPPLY CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect ABS actuator and electric unit (control unit) connector.

3. Check voltage between the ABS actuator and electric unit (control unit) connector E127 terminal 1 and

ground.

DTC

Display item

Malfunction detected condition

Possible cause

C1111

PUMP MOTOR

During the actuator motor operating with ON, when the 
actuator motor turns OFF, or when the control line for ac-
tuator motor relay is open.

• Harness or connector
• ABS actuator and electric unit 

(control unit)

During the actuator motor operating with OFF, when the 
actuator motor turns ON, or when the control line for relay 
is shorted to ground.

Self-diagnosis results

PUMP MOTOR

C1111 ABS MOTOR, MOTOR RELAY SYSTEM

BRC-47

< DTC/CIRCUIT DIAGNOSIS >

[TYPE 1]

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Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace malfunctioning components.

3.

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT

Check continuity between ABS actuator and electric unit (control unit) connector E127 terminals 16, 47 and

ground.

Is the inspection result normal?

YES

>> Replace ABS actuator and electric unit (control unit). Refer to 

BRC-115, "Removal and Installa-

tion"

.

NO

>> Repair or replace malfunctioning components.

Component Inspection

INFOID:0000000009479274

1.

CHECK ACTIVE TEST

1. On “ACTIVE TEST”, select “ABS MOTOR”.

2. Touch On and Off on screen. Make sure motor relay and actuator relay operate as shown in table below.

Is the inspection result normal?

YES

>> Inspection End

NO

>> Go to diagnosis procedure. Refer to 

BRC-46, "Diagnosis Procedure"

.

Special Repair Requirement

INFOID:0000000009479275

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-12, "ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL

POSITION : Description"

.

>> 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).

Refer to 

BRC-13, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

ABS actuator and electric unit (control unit)

—

Voltage

Connector

Terminal

E127

1

Ground

Battery voltage

ABS actuator and electric unit (control unit)

—

Continuity

Connector

Terminal

E127

16, 47

Ground

Yes

Operation

On

Off

MOTOR RELAY

On

Off

ACTUATOR RLY

On

On