Infiniti FX35 / FX45. Manual - part 259

BRC-22

< SERVICE INFORMATION >

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

TFWM0234E

TROUBLE DIAGNOSIS

BRC-23

< SERVICE INFORMATION >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

Control Unit Input/Output Signal Standard

INFOID:0000000001327670

REFERENCE VALUE FROM CONSULT-III

CAUTION:

The display shows ABS actuator and electric unit (control unit) calculation data, so a normal value
might be displayed even in the event the output circuit (harness) is open or short-circuited.

TFWM0235E

BRC-24

< SERVICE INFORMATION >

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

Monitor item

Display content

Data monitor

Condition

Reference value in 

normal operation

SLCT LVR POSI

A/T shift position

P: P position
R: R position
N: N position
D: D position

GEAR

A/T gear position

1: 1st gear
2: 2nd gear
3: 3rd gear
4: 4th gear
5: 5th gear

FR RH SENSOR
FR LH SENSOR
RR RH SENSOR
RR LH SENSOR

Wheel speed

Vehicle stopped

0 [km/h (MPH)]

Vehicle running (Note 1)

Almost in accordance 
with speedometer 
display
(within 

±

 10 %)

ACCEL POS SIG 

Open/close condition of throttle valve
(linked with accelerator pedal)

Accelerator pedal not depressed
(Engine stopped)

0 %

Depress accelerator pedal
(Engine stopped)

0 to 100 %

ENGINE SPEED

With engine running

With engine stopped

0 rpm

Engine running

Almost in accordance 
with tachometer dis-
play

STR ANGLE SIG

Steering angle detected by steering angle 
sensor

Straight-ahead

Approx. 0 deg

Steering wheel turned

–756 to 756 deg

YAW RATE SEN

Yaw rate detected by yaw rate sensor

Vehicle stopped

Approx. 0 d/s

Vehicle running

–100 to 100 d/s

SIDE G-SENSOR

Transverse G detected by side G sensor

Vehicle stopped

Approx. 0 m/s

2

Vehicle running

–16.7 to 16.7 m/s

2

PRESS SENSOR

Brake fluid pressure detected by pressure 
sensor

With ignition switch turned ON and brake 
pedal released

Approx. 0 bar

With ignition switch turned ON and brake 
pedal depressed

0 to 170 bar

BATTERY VOLT

Battery voltage supplied to ABS actuator 
and electric unit (control unit)

Ignition switch ON

10 to 16 V

STOP LAMP SW

Brake pedal operation

Brake pedal depressed

ON

Brake pedal not depressed

OFF

OFF SW

VDC OFF switch ON/OFF status

VDC OFF switch ON
(When VDC OFF indicator lamp is ON)

ON

VDC OFF switch OFF
(When VDC OFF indicator lamp is OFF)

OFF

ABS WARN LAMP

ABS warning lamp ON condition (Note 2)

ABS warning lamp ON

ON

ABS warning lamp OFF

OFF

MOTOR RELAY

Operation status of motor and motor relay

Ignition switch ON or engine running 
(ABS not operated)

OFF

Ignition switch ON or engine running (ABS 
operated)

ON

TROUBLE DIAGNOSIS

BRC-25

< SERVICE INFORMATION >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

ACTUATOR RLY

Actuator relay operation status

Actuator (solenoid) is active
(“ACTIVE TEST” with CONSULT-III)

ON

When actuator relay is inactive
(in fail-safe mode)

OFF

OFF LAMP

VDC OFF indicator lamp status
(Note 3)

When VDC OFF indicator lamp is ON

ON

When VDC OFF indicator lamp is OFF

OFF

SLIP LAMP

SLIP indicator lamp status
(Note 4)

When SLIP indicator lamp is ON

ON

When SLIP indicator lamp is OFF

OFF

FR LH IN SOL
FR LH OUT SOL
FR RH IN SOL
FR RH OUT SOL
RR RH IN SOL
RR RH OUT SOL
RR LH IN SOL
RR LH OUT SOL

Solenoid valve operation

Actuator (solenoid) is active (“ACTIVE 
TEST” with CONSULT-III) and actuator re-
lay is active (ignition switch ON)

ON

When actuator (solenoid) is not active or 
actuator relay is inactive (in fail-safe 
mode)

OFF

CV1
CV2
SV1
SV2

VDC/TCS switch-over valve status

When actuator (switch-over valve) is ac-
tive (“ACTIVE TEST” with CONSULT-III) 
and actuator relay is active (ignition switch 
ON)

ON

When actuator (switch-over valve) is not 
active or actuator relay is inactive (in fail-
safe mode)

OFF

DECEL G-SEN 

Longitudinal acceleration detected by decel 
G sensor (Note 5)

Vehicle stopped

Approx. 0 G

Vehicle running

-1.7 to +1.7 G

FLUID LEV SW

ON/OFF status of brake fluid level switch

When brake fluid level switch ON

ON

When brake fluid level switch OFF 

OFF

VDC FAIL SIG
TCS FAIL SIG
ABS FAIL SIG
EBD FAIL SIG

Fail signal status

VDC fail
TCS fail
ABS fail
EBD fail

ON

VDC normal
TCS normal
ABS normal
EBD normal

OFF

EBD WARN LAMP

Brake warning lamp on condition
(Note 6)

Brake warning lamp ON

ON

Brake warning lamp OFF

OFF

EBD SIGNAL

EBD operation

EBD active 

ON

EBD not active

OFF

ABS SIGNAL

ABS operation

ABS active

ON

ABS not active

OFF

TCS SIGNAL

TCS operation

TCS active

ON

TCS not active

OFF

VDC SIGNAL

VDC operation

VDC active

ON

VDC not active

OFF

CRANKING SIG

CRANKING status

Cranking

ON

Not cranking

OFF

4WD FAIL REQ

ETS fail status (Note 5)

ETS fail

ON

ETS normal

OFF

Monitor item

Display content

Data monitor

Condition

Reference value in 

normal operation