Infiniti G35 (V35). Manual — part 240

TROUBLE DIAGNOSIS

BRC-21

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

TFWM0142E

BRC-22

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

TFWM0143E

TROUBLE DIAGNOSIS

BRC-23

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

Control Unit Input/Output Signal Standard

NFS0006X

REFERENCE VALUE FROM CONSULT-II

CAUTION:

Items displayed are data calculated by control unit and may indicate normal operation even if output
circuit (harness) is open or shorted.

Monitor item

Contents

DATA MONITOR

Condition

Reference value in nor-

mal operation

SLCT LVR POSI

Shift position determined by the A/T PNP
switch signal

Indicate each shift position
(M/T models normally remain at ##)

GEAR

Gear position determined by TCM

1:1st gear (M/T models: normally remain at 1)
2:2nd gear
3:3rd gear
4:4th gear
5:5th gear

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

Wheel speed

Vehicle stopped

0 [km/h (MPH)]

Vehicle running (Note 1)

Almost in accordance
with speedometer dis-
play (within

±

10 %)

ACCEL POS SIG

Throttle actuator opening/closing is dis-
played (linked with accelerator pedal).

Accelerator pedal not depressed
(Engine stopped)

0 %

Depress accelerator pedal
(Engine stopped)

0 - 100 %

ENGINE RPM

With engine running

With engine stopped

0 rpm

Engine running

Almost in accordance
with tachometer display

STR ANGLE SIG

Steering angle detected by steering
angle sensor

Straight-ahead

Approx. 0

°

Steering wheel turned

–720 to 720

°

YAW RATE SEN

Yaw rate detected by yaw rate sensor

Vehicle stopped

Approx. 0 d/s

Vehicle running

–70 to 70 d/s

SIDE G SENSOR

Transverse G detected by side G sensor

Vehicle stopped

Approx. 0 m/s

2

Vehicle running

–24.3 to 24.1 m/s

2

PRESS SENSOR

Brake fluid pressure detected by 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

BATTERY VOLT

Battery voltage supplied to VDC/TCS/
ABS control unit

Ignition switch ON

10 - 16 V

STOP LAMP SW

Brake pedal operation

Brake pedal depressed

ON

Brake pedal not depressed

OFF

PARK BRAKE SW

Parking brake condition

Parking brake operated

ON

Parking brake not operated

OFF

OFF SW

VDC OFF switch ON/OFF condition

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

BRC-24

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS

Note 1: Confirm tire pressure is normal.
Note 2: ON/OFF timing of warning lamp and indicator lamp. Refer to

BRC-33, "INSPECTION OF ABS WARNING LAMP, VDC OFF

INDICATOR LAMP, SLIP INDICATOR LAMP AND BRAKE WARNING LAMP"

.

MOTOR RELAY

Operation condition of motor and motor
relay

When motor relay and motor are
operating

ON

When motor relay and motor are not
operating

OFF

ACTUATOR RLY

Solenoid valve relay operation condition

When solenoid valve relay is operating

ON

When solenoid valve relay is not operat-
ing

OFF

OFF LAMP

VDC OFF indicator lamp condition
(Note 2)

When VDC OFF indicator lamp is ON

ON

When VDC OFF indicator lamp is OFF

OFF

SLIP LAMP

SLIP indicator lamp condition (Note 2)

When SLIP indicator lamp is ON

ON

When SLIP indicator lamp is OFF

OFF

IN ABS S/V
OUT ABS S/V

Solenoid valve operation

Actuator (solenoid) is active (“ACTIVE
TEST” with CONSULT-II) or solenoid
valve relay is inactive (in fail-safe
mode).

ON

When actuator (solenoid) is not active
and solenoid valve relay is active (igni-
tion switch ON).

OFF

USV
HSV

VDC switch-over valve condition

When actuator (switch-over valve) is
active (“ACTIVE TEST” with CONSULT-
II) or actuator relay is inactive (when in
fail-safe mode).

ON

When actuator (switch-over valve) is not
active and actuator relay is active (igni-
tion switch ON).

OFF

V/R OUTPUT

Actuator relay activated
(ON/OFF)

When actuator relay is active (engine is
running).

ON

When actuator relay is not active
(before engine starts and in fail-safe
mode).

OFF

M/R OUTPUT

Actuator motor and motor relay condition
(ON/OFF)

When actuator motor and motor relay
are active (“ACTIVE TEST” with CON-
SULT-II).

ON

When the actuator motor and motor
relay are not operating

OFF

FLUID LEV SW

Brake fluid level switch ON/OFF condi-
tion.

When brake fluid level switch ON

ON

When brake fluid level switch OFF

OFF

FAIL SIGNAL

Fail signal condition

VDC fail
TCS fail
ABS fail
EBD fail

OFF

Monitor item

Contents

DATA MONITOR

Condition

Reference value in nor-

mal operation