Infiniti QX56 (JA60). Manual - part 143

 

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Infiniti QX56 (JA60). Manual - part 143

 

 

VDC OFF INDICATOR LAMP

BRC-85

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

Special Repair Requirement

INFOID:0000000005194927

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-8, "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-9, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

BRC-86

< COMPONENT DIAGNOSIS >

[VDC/TCS/ABS]

SLIP INDICATOR LAMP

SLIP INDICATOR LAMP

Description

INFOID:0000000005148078

×: ON –: OFF

Component Function Check

INFOID:0000000005148079

1.

CHECK SLIP INDICATOR LAMP OPERATION

Check that the lamp illuminates for approximately 2 seconds after the ignition switch is turned ON.
Is the inspection result normal?

YES

>> Inspection End

NO

>> Go to diagnosis procedure. Refer to 

BRC-86, "Diagnosis Procedure"

.

Diagnosis Procedure

INFOID:0000000005148080

1.

CHECK SELF-DIAGNOSIS

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

BRC-23, "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-22, "Diagnosis Descrip-

tion"

.

Is the inspection result normal?

YES

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

BRC-116, "Removal and Installa-

tion"

.

NO

>> Replace combination meter. Refer to 

MWI-100, "Removal and Installation"

.

Special Repair Requirement

INFOID:0000000005194928

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-8, "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-9, "CALIBRATION OF DECEL G SENSOR : Description"

.

>> END

Condition

SLIP indicator lamp

Ignition switch OFF

For 2 seconds after turning ON ignition switch

×

2 seconds 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-87

< 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:0000000005148081

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.

CONSULT-III MONITOR ITEM

 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)

DECEL G-SEN

Longitudinal acceleration detected by Decel 
G-Sensor

Vehicle stopped

Approx. 0 G

Vehicle running

-1.7 to 1.7 G

FR RH IN SOL

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)

ON

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

OFF

FR RH OUT SOL

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)

ON

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

OFF

FR LH IN SOL

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)

ON

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

OFF

FR LH OUT SOL

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)

ON

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

OFF

BRC-88

< ECU DIAGNOSIS >

[VDC/TCS/ABS]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

RR RH IN SOL

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)

ON

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

OFF

RR RH OUT SOL

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)

ON

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

OFF

RR LH IN SOL

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)

ON

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

OFF

RR LH OUT SOL

Operation status of each solenoid valve 

Actuator (solenoid valve) is active (“AC-
TIVE TEST” with CONSULT-III) or actua-
tor relay is inactive (in fail-safe mode)

ON

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

OFF

EBD WARN LAMP

EBD warning lamp
(Note 2)

When EBD warning lamp is ON

ON

When EBD warning lamp is OFF

OFF

STOP LAMP SW

Stop lamp switch signal status

When brake pedal is depressed

ON

When brake pedal is released

OFF

MOTOR RELAY

Motor and motor relay operation

When the motor relay and motor are op-
erating

ON

When the motor relay and motor are not 
operating

OFF

ACTUATOR RLY

Actuator relay operation

When the actuator relay is operating

ON

When the actuator relay is not operating

OFF

ABS WARN LAMP

ABS warning lamp
(Note 2)

When ABS warning lamp is ON

ON

When ABS warning lamp is OFF

OFF

OFF LAMP

VDC OFF indicator lamp
(Note 2)

When VDC OFF indicator lamp is ON

ON

When VDC OFF indicator lamp is OFF

OFF

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

SLIP LAMP

SLIP indicator lamp
(Note 2)

When SLIP indicator lamp is ON

ON

When SLIP indicator lamp is OFF

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

 Monitor item

Display content

Data monitor

Condition

Reference value in 

normal operation

 

 

 

 

 

 

 

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