Infiniti G35 (V35) Sedan. Manual - part 250

BRC-74

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

BRAKE WARNING LAMP

BRAKE WARNING LAMP

Description

INFOID:0000000000958613

×

: ON –: OFF

NOTE:

• 1: Brake warning lamp will turn on in case of parking brake operation (when switch is ON) or of brake fluid level switch operation

(when brake fluid is insufficient).

• 2: After starting engine, brake warning lamp is turned off.

Component Function Check

INFOID:0000000000958614

1.

BRAKE WARNING LAMP OPERATION CHECK 1

Check that the lamp illuminates for approximately 1 second after the ignition switch is turned ON.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Go to diagnosis procedure. Refer to 

BRC-74, "Diagnosis Procedure"

.

2.

BRAKE WARNING LAMP OPERATION CHECK 2

Check that the brake warning lamp in the combination meter turns ON/OFF correctly when operating the park-
ing brake lever (M/T models) or the parking brake pedal (A/T models).

Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Check parking brake switch. Refer to 

BRC-69, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000958615

1.

CHECK PARKING BRAKE SWITCH

Check that the brake warning lamp in the combination meter turns ON/OFF correctly when operating the park-
ing brake lever (M/T models) or the parking brake pedal (A/T models).

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Check parking brake switch. Refer to 

BRC-69, "Diagnosis Procedure"

.

2.

CHECK SELF-DIAGNOSIS

Perform ABS actuator and electric unit (control unit) self-diagnosis.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check items displayed by self-diagnosis.

3.

CHECK COMBINATION METER

Check if the indication and operation of combination meter are normal. Refer to 

MWI-35, "Diagnosis Descrip-

tion"

.

Is the inspection result normal?

YES

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

NO

>> Repair or replace combination meter.

Condition

Brake warning lamp (Note 1)

Ignition switch OFF

–

For 1 second after turning ON ignition switch

×

 (Note 2)

1 second later after turning ON ignition switch

×

 (Note 2)

EBD function is malfunctioning.

×

VDC OFF INDICATOR LAMP

BRC-75

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

VDC OFF INDICATOR LAMP

Description

INFOID:0000000000958616

×

: ON –: OFF

Component Function Check

INFOID:0000000000958617

1.

VDC OFF INDICATOR LAMP OPERATION CHECK 1

Check that the lamp illuminates for approximately 1 second after the ignition switch is turned ON.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Go to diagnosis procedure. Refer to 

BRC-75, "Diagnosis Procedure"

.

2.

VDC OFF INDICATOR LAMP OPERATION CHECK 2

Check that the VDC OFF indicator lamp in the combination meter turns ON/OFF correctly when operating the
VDC OFF switch.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Check VDC OFF switch. Refer to 

BRC-71, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000958618

1.

CHECK VDC OFF SWITCH

Check that the VDC OFF indicator lamp in the combination meter turns ON/OFF correctly when operating the
VDC OFF switch.
Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Check VDC OFF switch. Refer to 

BRC-71, "Diagnosis Procedure"

.

2.

CHECK SELF-DIAGNOSIS

Perform ABS actuator and electric unit (control unit) self-diagnosis. Refer to 

BRC-26, "CONSULT-III Function

(ABS)"

.

Is the inspection result normal?

YES

>> GO TO 3.

NO

>> Check items displayed by self-diagnosis.

3.

CHECK COMBINATION METER

Check if the indication and operation of combination meter are normal. Refer to 

MWI-35, "Diagnosis Descrip-

tion"

.

Is the inspection result normal?

YES

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

NO

>> Repair or replace combination meter.

Condition

VDC OFF indicator lamp

Ignition switch OFF

–

For 1 second after turning ON ignition switch

×

1 second later after turning ON ignition switch

–

VDC OFF switch turned ON. (VDC function is OFF.)

×

VDC/TCS function is malfunctioning.

×

ABS function is malfunctioning.

×

EBD function is malfunctioning.

×

BRC-76

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

SLIP INDICATOR LAMP

SLIP INDICATOR LAMP

Description

INFOID:0000000000958619

×

: ON –: OFF

Component Function Check

INFOID:0000000000958620

1.

CHECK SLIP INDICATOR LAMP OPERATION

Check that the lamp illuminates for approximately 1 second after the ignition switch is turned ON.
Is the inspection result normal?

YES

>> INSPECTION END

NO

>> Go to diagnosis procedure. Refer to 

BRC-76, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000000958621

1.

CHECK SELF-DIAGNOSIS

Perform ABS actuator and electric unit (control unit) self-diagnosis. Refer to 

BRC-26, "CONSULT-III Function

(ABS)"

.

Is the inspection result normal?

YES

>> GO TO 2.

NO

>> Check items displayed by self-diagnosis.

2.

CHECK COMBINATION METER

Check if the indication and operation of combination meter are normal. Refer to 

MWI-35, "Diagnosis Descrip-

tion"

.

Is the inspection result normal?

YES

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

NO

>> Repair or replace combination meter.

Condition

SLIP indicator lamp

Ignition switch OFF

–

For 1 second after turning ON ignition switch

×

1 second later after turning ON ignition switch

–

VDC/TCS function is malfunctioning.

×

ABS function is malfunctioning.

×

EBD function is malfunctioning.

×

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-77

< ECU DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

ECU DIAGNOSIS

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

Reference Value

INFOID:0000000000958622

VALUES ON THE DIAGNOSIS TOOL

CAUTION:

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

 Monitor item

Display content

Data monitor

Condition

Reference value in 

normal operation

FR LH SENSOR

Wheel speed

0 [km/h (MPH)]

Vehicle stopped

Nearly matches the speed meter display 
(

±

 10 % or less)

Vehicle running 

(Note 1)

FR RH SENSOR

Wheel speed

0 [km/h (MPH)]

Vehicle stopped

Nearly matches the speed meter display 
(

±

 10 % or less)

Vehicle running 

(Note 1)

RR LH SENSOR

Wheel speed

0 [km/h (MPH)]

Vehicle stopped

Nearly matches the speed meter display 
(

±

 10 % or less)

Vehicle running 

(Note 1)

RR RH SENSOR

Wheel speed

0 [km/h (MPH)]

Vehicle stopped

Nearly matches the speed meter display 
(

±

 10 % or less)

Vehicle running 

(Note 1)

STOP LAMP SW

Stop lamp switch signal status

When brake pedal is depressed

ON

When brake pedal is not depressed

OFF

BATTERY VOLT

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

Ignition switch ON

10 – 16 V

GEAR

Gear position determined by TCM

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

1
2
3
4
5

 SLCT LVR POSI

A/T selector lever position

P position
R position
N position
D position

P
R
N
D

OFF SW

VDC OFF switch ON/OFF

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

ON

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

OFF

YAW RATE SEN

Yaw rate detected by yaw rate/side  G sensor

When vehicle stop

Approx. 0 d/s

When vehicle turning

−

75 to 75 d/s

ACCEL POS SIG 

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

Accelerator pedal not depressed (ignition 
switch is ON)

0 %

Depress accelerator pedal (ignition 
switch is ON)

0 - 100 %