Nissan Frontier D40. Manual — part 144

BRC-274

< ECU DIAGNOSIS >

[TYPE 3]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

SIDE G-SENSOR

Transverse G detected by side G sensor

Vehicle stopped

Approx. 0 m/s

2

Vehicle turning right

Negative value

(m/s

2

)

Vehicle turning left

Positive value

(m/s

2

)

STR ANGLE SIG

Steering angle detected by steering angle
sensor

Straight-ahead

Approx. 0

±

2.5

°

Steering wheel turned

–720 to 720

°

PRESS SENSOR

Brake fluid pressure detected by front pres-
sure sensor

With ignition switch turned ON and brake
pedal released

Approx. 0 bar

With ignition switch turned ON and brake
pedal depressed

–40 to 300 bar

EBD SIGNAL

EBD operation

EBD is active

On

EBD is inactive

Off

ABS SIGNAL

ABS operation

ABS is active

On

ABS is inactive

Off

TCS SIGNAL

TCS operation

TCS is active

On

TCS is inactive

Off

VDC SIGNAL

VDC operation

VDC is active

On

VDC is inactive

Off

EBD FAIL SIG

EBD fail-safe signal

In EBD fail-safe

On

EBD is normal

Off

ABS FAIL SIG

ABS fail-safe signal

In ABS fail-safe

On

ABS is normal

Off

TCS FAIL SIG

TCS fail-safe signal

In TCS fail-safe

On

TCS is normal

Off

VDC FAIL SIG

VDC fail-safe signal

In VDC fail-safe

On

VDC is normal

Off

CRANKING SIG

Crank operation

Crank is active

On

Crank is inactive

Off

FLUID LEV SW

Brake fluid level switch signal status

When brake fluid level switch ON

On

When brake fluid level switch OFF

Off

DLOCK SW

Differential lock switch ON/OFF

Differential lock switch ON

On

Differential lock switch OFF

Off

DLOCK CHG SW

Differential lock mode switch signal status

When differential lock mode switch is en-
gaged

On

When differential lock mode switch is dis-
engaged

Off

STP ON RLY

Stop lamp on relay status

When hill descent control is operating

On

When hill descent control is not operating

Off

HDC SW

Hill descent control switch ON/OFF

Hill descent control switch ON

On

Hill descent control switch OFF

Off

HDC SIG

Hill descent control operation

Hill descent control is active

On

Hill descent control is inactive

Off

Monitor item

Display content

Data monitor

Condition

Reference value in

normal operation

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-275

< ECU DIAGNOSIS >

[TYPE 3]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

NOTE:

• 1: Confirm tire pressure is normal.

• 2: On and off timing for warning lamp and indicator lamp.

- ABS warning lamp: Refer to

BRC-144, "Description"

.

- Brake warning lamp: Refer to

BRC-145, "Description"

.

- VDC OFF indicator lamp: Refer to

BRC-146, "Description"

.

- SLIP indicator lamp: Refer to

BRC-148, "Description"

.

TERMINAL LAYOUT

Wiring Diagram - BRAKE CONTROL SYSTEM - WITH HILL DESCENT CONTROL/

HSA SIG

Hill start assist operation

Hill start assist is active

On

Hill start assist is inactive

Off

Monitor item

Display content

Data monitor

Condition

Reference value in

normal operation

AWFIA0032ZZ

BRC-276

< ECU DIAGNOSIS >

[TYPE 3]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

HILL START ASSIST

INFOID:0000000005275371

ABFWA0102GB

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-277

< ECU DIAGNOSIS >

[TYPE 3]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

ABFWA0103GB