Nissan Pathfinder (2006 year). Manual - part 129

 

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Nissan Pathfinder (2006 year). Manual - part 129

 

 

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

BRC-117

[HDC/HSA/VDC/TCS/ABS]

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BRC

2006 Pathfinder

2. 

CONNECTOR INSPECTION

1.

Turn the ignition switch OFF.

2.

Disconnect the rear pressure sensor connector E32 and ABS actuator and electric unit (control unit) con-
nector E125 and inspect the terminals for deformation, disconnection, looseness, or damage.

OK or NG

OK

>> GO TO 3.

NG

>> Repair connector.

3. 

REAR PRESSURE SENSOR CIRCUIT INSPECTION

1.

Measure the continuity between the ABS actuator and electric unit (control unit) harness connector E125
and rear pressure sensor harness connector E32.

2.

Measure the continuity between the ABS actuator and electric unit (control unit) harness connector E125
and body ground.

OK or NG

OK

>> GO TO 4.

NG

>> Repair or replace harness or connector.

4. 

REAR PRESSURE SENSOR INSPECTION

1.

Reconnect the rear pressure sensor and ABS actuator and electric unit (control unit) connectors.

2.

Use "DATA MONITOR" to check if the status of "PRESS SEN 2" is normal.

OK or NG

OK

>> Inspection End.

NG

>> Replace rear pressure sensor.

ABS actuator and electric unit (con-

trol unit) harness connector E125

Rear pressure sensor harness 

connector E32

Continuity

21

1

Yes

22

3

23

2

ABS actuator and electric unit (con-

trol unit) harness connector E125

Body ground

Continuity

21

—

No

22

23

Condition

Data monitor display (Approx.)

PRESS SEN 2

When brake pedal is depressed

Positive value

When brake pedal is released

0 bar

BRC-118

[HDC/HSA/VDC/TCS/ABS]

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

2006 Pathfinder

Steering Angle Sensor Safe Mode Inspection

EFS00675

INSPECTION PROCEDURE

1. 

INDICATOR LAMP CHECK

Check that VDC OFF indicator lamp is on.

OK or NG

OK

>> GO TO 2.

NG

>> GO TO 3.

2. 

ADJUSTMENT OF STEERING ANGLE SENSOR NEUTRAL POSITION

Adjust steering angle sensor neutral position. Refer to 

BRC-128, "Adjustment of Steering Angle Sensor Neu-

tral Position"

 .

OK or NG

OK

>> GO TO 3.

NG

>> Check steering angle sensor. Refer to 

BRC-105, "Steering Angle Sensor System"

 .

3. 

INDICATOR LAMP CHECK

Check that VDC OFF indicator lamp is off.

OK or NG

OK

>> GO TO 4.

NG

>> Perform basic inspection. Refer to 

BRC-87, "Basic Inspection"

 .

4. 

CHECK SELF-DIAGNOSTIC RESULTS

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

NOTE:
When self-diagnostic results show items other than those above, perform repair or replacement for the item
indicated and repeat self-diagnosis.

Is the above displayed on self-diagnosis display?

YES

>> Erase error memory.

NO

>> Inspection End.

CAN Communication System Inspection

EFS00676

INSPECTION PROCEDURE

1. 

CHECK CONNECTOR

1.

Turn ignition switch OFF, disconnect the ABS actuator and electric unit (control unit) connector, and check
the terminals for deformation, disconnection, looseness, and so on. If there is a malfunction, repair or
replace the terminal.

2.

Reconnect connector to perform self-diagnosis.

Is "CAN COMM CIRCUIT" displayed in self-diagnosis display items?

YES

>> Print out the self-diagnostic results, and refer to 

LAN-25, "CAN COMMUNICATION"

 .

NO

>> Connector terminal is loose, damaged, open, or shorted.

Self-diagnosis results

ST ANGL SEN SAFE

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

BRC-119

[HDC/HSA/VDC/TCS/ABS]

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BRC

2006 Pathfinder

Inspection For Self-diagnosis Result "ST ANGLE SEN SIGNAL"

EFS00677

INSPECTION PROCEDURE

1. 

PERFORM SELF-DIAGNOSIS

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

Do self-diagnosis results indicate anything other than shown above?

YES

>> Perform repair or replacement for the item indicated.

NO

>> Perform adjustment of steering angle sensor neutral position. Refer to 

BRC-128, "Adjustment of

Steering Angle Sensor Neutral Position"

 . GO TO 2.

2. 

PERFORM SELF-DIAGNOSIS AGAIN

1.

Turn the ignition switch to OFF and then to ON and erase self-diagnosis results.

2.

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

Are any self-diagnosis results displayed?

YES

>> Replace steering angle sensor. Refer to 

BRC-134, "Removal and Installation"

 .

NO

>> Inspection End.

Inspection For Self-diagnosis Result "DECEL G SEN SET"

EFS00678

INSPECTION PROCEDURE

1. 

PERFORM SELF-DIAGNOSIS

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

Do self-diagnosis results indicate anything other than shown above?

YES

>> Perform repair or replacement for the item indicated.

NO

>> Perform calibration of decel G sensor. Refer to 

BRC-128, "Calibration of Decel G Sensor"

 . GO

TO 2.

2. 

PERFORM SELF-DIAGNOSIS AGAIN

1.

Turn the ignition switch to OFF and then to ON and erase self-diagnosis results.

2.

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

Are any self-diagnosis results displayed?

YES

>> Replace yaw rate/side/decel G sensor. Refer to 

BRC-135, "Removal and Installation"

 .

NO

>> Inspection End.

VDC OFF Indicator lamp Does Not Illuminate

EFS00679

INSPECTION PROCEDURE

1. 

CHECK VDC OFF INDICATOR LAMP

Disconnect ABS actuator and electric unit (control unit) connector E125.

Do the ABS warning lamp and VDC OFF indicator lamp illuminate?

YES

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

BRC-132, "Removal and Installa-

tion"

 .

NO

>> Replace combination meter. Refer to 

IP-14, "COMBINATION METER"

 .

Self-diagnosis results

ST ANGLE SEN SIGNAL

Self-diagnosis results

DECEL G SEN SET

BRC-120

[HDC/HSA/VDC/TCS/ABS]

TROUBLE DIAGNOSIS FOR SELF-DIAGNOSTIC ITEMS

2006 Pathfinder

Component Inspection

EFS0067A

VDC OFF SWITCH

Check the continuity between terminals 1 and 2.

HDS SWITCH

Check the continuity between terminals 1 and 2.

1 - 2

: Continuity should exist when pushing the 
switch.
Continuity should not exist when releasing 
the switch.

PFIA0307E

1 - 2

: Continuity should exist when pushing the 
switch.
Continuity should not exist when releasing 
the switch.

WFIA0327E

TROUBLE DIAGNOSES FOR SYMPTOMS

BRC-121

[HDC/HSA/VDC/TCS/ABS]

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2006 Pathfinder

TROUBLE DIAGNOSES FOR SYMPTOMS

PFP:99999

ABS Works Frequently

EFS0067B

1. 

CHECK WARNING LAMP ACTIVATION

Make sure warning lamp remains off while driving.

OK or NG

OK

>> GO TO 2.

NG

>> Carry out self-diagnosis. Refer to 

BRC-94, "SELF-DIAGNOSIS"

 .

2. 

CHECK WHEEL SENSORS

Check the following.

●

Wheel sensor mounting for looseness

●

Wheel sensors for physical damage

●

Wheel sensor connectors for terminal damage or loose connections

●

Sensor rotor and mount for physical damage (rear only)

OK or NG

OK

>> GO TO 3.

NG

>> Repair or replace as necessary.

3. 

CHECK FRONT AND REAR AXLES

Check front and rear axles for excessive looseness. Refer to 

FAX-5, "WHEEL BEARING INSPECTION"

  or

RAX-5, "WHEEL BEARING INSPECTION"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Repair as necessary.

4. 

CHECK BRAKE FLUID PRESSURE

Check brake fluid pressure distribution.
Refer to 

BRC-87, "Basic Inspection"

 .

Is brake fluid pressure distribution normal?

YES

>> Inspection End.

NO

>> Perform Basic Inspection. Refer to 

BRC-87, "Basic Inspection"

 .

BRC-122

[HDC/HSA/VDC/TCS/ABS]

TROUBLE DIAGNOSES FOR SYMPTOMS

2006 Pathfinder

Unexpected Pedal Action

EFS0067C

1. 

CHECK WARNING LAMP ACTIVATION

Make sure warning lamp remains off while driving.

OK or NG

OK

>> GO TO 2.

NG

>> Carry out self-diagnosis. Refer to 

BRC-94, "SELF-DIAGNOSIS"

 .

2. 

CHECK BRAKE PEDAL STROKE

Check brake pedal stroke.

Is pedal stroke excessive?

YES

>> Perform Basic Inspection. Refer to 

BRC-87, "Basic

Inspection"

 .

NO

>> GO TO 3.

3. 

CHECK CONNECTOR AND BRAKING PERFORMANCE

1.

Disable ABS by disconnecting ABS actuator and electric unit (control unit) connector.

2.

Drive vehicle and check brake operation.

NOTE:

●

Stopping distance may be longer than vehicles without ABS when road condition is slippery.

●

Driving the vehicle with the ABS actuator and electric unit (control unit) disconnected may induce DTCs
in electrical control units using CAN communication. After the inspection, clear all DTCs. Refer to 

LAN-

25, "CAN COMMUNICATION"

 .

OK or NG

OK

>> GO TO 4.

NG

>> Perform Basic Inspection. Refer to 

BRC-87, "Basic Inspection"

 .

4. 

CHECK WHEEL SENSORS

Check the following.

●

Wheel sensor mounting for looseness

●

Wheel sensors for physical damage

●

Wheel sensor connectors for terminal damage or loose connections

OK or NG

OK

>> Check ABS actuator and electric unit (control unit) connector terminals for deformation, discon-

nection, looseness or damage. Reconnect ABS actuator and electric unit (control unit) harness
connector. Then retest.

NG

>> Repair or replace as necessary.

SBR540A

TROUBLE DIAGNOSES FOR SYMPTOMS

BRC-123

[HDC/HSA/VDC/TCS/ABS]

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2006 Pathfinder

Long Stopping Distance

EFS0067D

1. 

CHECK BASE BRAKING SYSTEM PERFORMANCE

1.

Disable ABS by disconnecting ABS actuator and electric unit (control unit) connector.

2.

Drive vehicle and check brake operation.

NOTE:

●

Stopping distance may be longer than vehicles without ABS when road condition is slippery.

●

Driving the vehicle with the ABS actuator and electric unit (control unit) disconnected may induce DTCs
in electrical control units using CAN communication. After the inspection, clear all DTCs. Refer to 

LAN-

25, "CAN COMMUNICATION"

 .

OK or NG

OK

>> Go to 

BRC-121, "ABS Works Frequently"

 .

NG

>> Perform Basic Inspection. Refer to 

BRC-87, "Basic Inspection"

 .

ABS Does Not Work

EFS0067E

CAUTION:

The ABS does not operate when the vehicle speed is 10 km/h (6 MPH) or less.

1. 

CHECK WARNING LAMP ACTIVATION

Turn ignition switch ON and check for warning lamp activation.

●

Warning lamp should activate for approximately 2 seconds after turning the ignition switch ON.

OK or NG

OK

>> Carry out self-diagnosis. Refer to 

BRC-94, "SELF-DIAGNOSIS"

 .

NG

>> Go to 

BRC-124, "ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On"

 .

Pedal Vibration or ABS Operation Noise

EFS0067F

NOTE:
During ABS activation, pedal vibration may be felt and a noise may be heard. This is normal and does not indi-
cate a malfunction.

1. 

CHECK SYMPTOM

1.

Apply brake.

2.

Start engine.

Does the symptom occur only when engine is started?

YES

>> Carry out self-diagnosis. Refer to 

BRC-94, "SELF-DIAGNOSIS"

 .

NO

>> GO TO 2.

2. 

RECHECK SYMPTOM

Does the symptom occur only when electrical equipment switches (such as headlamps) are turned on?

YES

>> Check for radio, antenna or related wiring that is routed too close to the ABS actuator and electric

unit (control unit) and reroute as necessary.

NO

>> Go to 

BRC-121, "ABS Works Frequently"

 .

BRC-124

[HDC/HSA/VDC/TCS/ABS]

TROUBLE DIAGNOSES FOR SYMPTOMS

2006 Pathfinder

ABS Warning Lamp Does Not Come On When Ignition Switch Is Turned On

EFS0067G

1. 

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) FUSES

Check 40A fusible link n  and 30A fusible link l  for ABS actuator and electric unit (control unit). For fusible link
layout, refer to 

PG-4, "POWER SUPPLY ROUTING CIRCUIT"

 .

OK or NG

OK

>> GO TO 2.

NG

>> If fusible link is blown, be sure to eliminate cause of problem before replacing.

2. 

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) POWER SUPPLY CIRCUITS

1.

Disconnect ABS actuator and electric unit (control unit) connec-
tor.

2.

Check voltage between ABS actuator and electric unit (control
unit) connector terminal 1 and ground and terminal 32 and
ground.

Does battery voltage exist?

YES

>> GO TO 3.

NO

>> Repair harness or connectors between fusible link and

ABS actuator and electric unit (control unit).

3. 

CHECK ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT) GROUND CIRCUIT

Check continuity between ABS actuator and electric unit (control
unit) connector terminal 16 and ground and terminal 47 and ground.

Does continuity exist?

YES

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

Refer to 

BRC-132, "Removal and Installation"

 .

NO

>> Repair harness or connectors between ABS actuator

and electric unit (control unit) and ground.

ABS Warning Lamp Stays On When Ignition Switch Is Turned On

EFS0067H

1. 

CARRY OUT SELF-DIAGNOSIS

Carry out self-diagnosis. Refer to 

BRC-94, "SELF-DIAGNOSIS"

 .

Are malfunctions detected in self-diagnosis?

YES

>> Refer to 

BRC-95, "Display Item List"

 .

NO

>> Refer to 

DI-33, "WARNING LAMPS"

 .

WFIA0199E

WFIA0196E

 

 

 

 

 

 

 

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