Infiniti Q45. Manual - part 274

TROUBLE DIAGNOSIS FOR SYMPTOMS

BRC-61

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

3. 

CHECK COMBINATION METER INDICATION

Check the combination meter indication and operation. Refer to 

DI-16, "Self-Diagnosis Mode of Combination

Meter"

 .

OK or NG

OK

>> INSPECTION END.

NG

>> Combination meter is malfunctioning. Check combination meter. Refer to 

DI-7, "COMBINATION

METERS"

 .

Slip Indicator Lamp Indication Is Not Normal

NFS000DK

NOTE:
For lighting condition of slip indicator lamp. refer to 

BRC-35, "ABS WARNING LAMP, VDC OFF INDICATOR

LAMP, AND SLIP INDICATOR LAMP"

 .

1. 

CHECK SYSTEM FOR CAN COMMUNICATION LINE

Perform self-diagnosis. Refer to 

BRC-24, "SELF-DIAG RESULT MODE"

 .

Is the “CAN COMM CIRCUIT” displayed?

YES

>> Perform trouble diagnosis for CAN communication line. Refer to 

BRC-54, "CAN Communication

Circuit"

 .

NO

>> GO TO 2.

2. 

CHECK VDC/TCS/ABS CONTROL UNIT

Check VDC/TCS/ABS control unit input/output signal. Refer to 

BRC-22, "Control Unit Input/Output Signal

Standard"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Check VDC/TCS/ABS control unit pin terminals for damage or loose connection with harness con-

nector. If any item is damaged, repair or replace damaged parts.

3. 

CHECK COMBINATION METER INDICATION

Check the combination meter indication and operation. Refer to 

DI-16, "Self-Diagnosis Mode of Combination

Meter"

 .

OK or NG

OK

>> INSPECTION END.

NG

>> Combination meter is malfunctioning. Check combination meter. Refer to 

DI-7, "COMBINATION

METERS"

 .

VDC OFF Indicator Lamp Indication Is Not Normal

NFS000DL

NOTE:

●

For lighting condition of VDC OFF indicator lamp. Refer to 

BRC-35, "ABS WARNING LAMP, VDC OFF

INDICATOR LAMP, AND SLIP INDICATOR LAMP"

 .

●

Make sure that VDC OFF switch is normal. Refer to 

BRC-55, "VDC OFF SWITCH"

 .

1. 

CHECK SYSTEM FOR CAN COMMUNICATION LINE

Perform self-diagnosis. Refer to 

BRC-24, "SELF-DIAG RESULT MODE"

 .

Is the “CAN COMM CIRCUIT” displayed?

YES

>> Perform trouble diagnosis for CAN communication line. Refer to 

BRC-54, "CAN Communication

Circuit"

 .

NO

>> GO TO 2.

BRC-62

[VDC/TCS/ABS]

TROUBLE DIAGNOSIS FOR SYMPTOMS

2. 

CHECK VDC/TCS/ABS CONTROL UNIT

Check VDC/TCS/ABS control unit input/output signal. Refer to 

BRC-22, "Control Unit Input/Output Signal

Standard"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Check VDC/TCS/ABS control unit pin terminals for damage or loose connection with harness con-

nector. If any item is damaged, repair or replace damaged parts.

3. 

CHECK COMBINATION METER INDICATION

Check the combination meter indication and operation. Refer to 

DI-16, "Self-Diagnosis Mode of Combination

Meter"

 .

OK or NG

OK

>> INSPECTION END.

NG

>> Combination meter is malfunctioning. Check combination meter. Refer to 

DI-7, "COMBINATION

METERS"

 .

WHEEL SENSORS

BRC-63

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

WHEEL SENSORS

PFP:47910

Removal and Installation

NFS000DM

REMOVAL

Be careful of the following.

CAUTION:

When removing the sensor, do not rotate it, if possible, and also do not forcibly pull the sensor har-
ness.

INSTALLATION

Be careful of the following. Tighten the mounting bolts and nuts to the specified torque. Refer to 

BRC-63,

"Removal and Installation"

 .

SFIA2603E

BRC-64

[VDC/TCS/ABS]

WHEEL SENSORS

CAUTION:

●

When installing, make sure there is no foreign material such as iron chips on pick-up and mount-
ing hole of sensor. Make sure no foreign material has been caught in the sensor rotor. Remove
any foreign material and clean the mount.

●

When installing front sensor, be sure to press rubber grommets in until they lock at the three loca-
tions shown in the figure (2 at shock absorbers and 1 at body panel). When installed, harness
must not be twisted. White line on harness must be visible from front.

●

When installing rear sensor, attach harness at rear suspension member securely. Besides, har-
ness must not be twisted when installed.