Index Manuals Nissan Pathfinder (2010 year) - Service and Repair Manual

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Nissan Pathfinder (2010 year). Manual - part 112

BRC-108

< ECU DIAGNOSIS >

[VDC/TCS/ABS]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

ABFIA0065GB

2010 Pathfinder

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-109

< ECU DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

Fail-Safe

INFOID:0000000005258767

CAUTION:

If the Fail-Safe function is activated, perform Self Diagnosis for ABS/TCS/VDC system.

ABS/EBD SYSTEM

ABFIA0256GB

2010 Pathfinder

BRC-110

< ECU DIAGNOSIS >

[VDC/TCS/ABS]

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

In case of an electrical malfunction with the ABS, the ABS warning lamp, VDC OFF indicator lamp and SLIP

indicator lamp will turn on. In case of an electrical malfunction with the EBD system, the BRAKE warning lamp,

ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp will turn on.

The system will revert to one of the following conditions of the Fail-Safe function.
1. For ABS malfunction, only the EBD is operative and the condition of the vehicle is the same condition of

vehicles without ABS/TCS/VDC system.

2. For EBD malfunction, the EBD and ABS become inoperative, and the condition of the vehicle is the same

as the condition of vehicles without ABS/TCS/VDC or EBD system.

VDC/TCS SYSTEM

In case of TCS/VDC system malfunction, the VDC OFF indicator lamp and SLIP indicator lamp are turned on

and the condition of the vehicle is the same as the condition of vehicles without TCS/VDC system. In case of

an electrical malfunction with the TCS/VDC system, the ABS control continues to operate normally without

TCS/VDC control.

DTC No. Index

INFOID:0000000005258768

DTC

Items (CONSULT screen terms)

Reference

C1101

RR RH SENSOR-1

BRC-27, "Description"

C1102

RR LH SENSOR-1

C1103

FR RH SENSOR-1

C1104

FR LH SENSOR-1

C1105

RR RH SENSOR-2

BRC-30, "Description"

C1106

RR LH SENSOR-2

C1107

FR RH SENSOR-2

C1108

FR LH SENSOR-2

C1109

BATTERY VOLTAGE [ABNORMAL]

BRC-33, "Description"

C1110

CONTROLLER FAILURE

BRC-36, "DTC Logic"

C1111

PUMP MOTOR

BRC-37, "Description"

C1113

G-SENSOR

BRC-40, "Description"

C1115

ABS SENSOR [ABNORMAL SIGNAL]

BRC-44, "Description"

C1116

STOP LAMP SW

BRC-47, "Description"

C1120

FR LH IN ABS SOL

BRC-49, "Description"

C1121

FR LH OUT ABS SOL

BRC-52, "Description"

C1122

FR RH IN ABS SOL

BRC-49, "Description"

C1123

FR RH OUT ABS SOL

BRC-52, "Description"

C1124

RR LH IN ABS SOL

BRC-49, "Description"

C1125

RR LH OUT ABS SOL

BRC-52, "Description"

C1126

RR RH IN ABS SOL

BRC-49, "Description"

C1127

RR RH OUT ABS SOL

BRC-52, "Description"

C1130

ENGINE SIGNAL 1

BRC-55, "Description"

C1131

ENGINE SIGNAL 2

C1132

ENGINE SIGNAL 3

C1133

ENGINE SIGNAL 4

C1136

ENGINE SIGNAL 6

C1140

ACTUATOR RLY

BRC-56, "Description"

C1142

PRESS SEN CIRCUIT

BRC-58, "Description"

C1143

ST ANG SEN CIRCUIT

BRC-61, "Description"

C1144

ST ANG SEN SIGNAL

2010 Pathfinder

ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)

BRC-111

< ECU DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

O

P

C1145

YAW RATE SENSOR

BRC-40, "Description"

C1146

SIDE G-SEN CIRCUIT

C1155

BR FLUID LEVEL LOW

BRC-64, "Description"

C1156

ST ANG SEN COM CIR

BRC-68, "Description"

C1160

DECEL G SEN SET

BRC-69, "Description"

C1163

ST ANGL SEN SAFE

BRC-70, "Description"

C1164

CV1

BRC-71, "Description"

C1165

CV2

C1166

SV1

C1167

SV2

C1170

VARIANT CODING

BRC-36, "DTC Logic"

C1178

ABS ACTIVE BOOSTER SV NG

BRC-74, "Description"

C1179

ABS DELTA S SEN NG

BRC-77, "Description"

C1181

ABS ACTIVE BOOSTER RESPONSE NG

BRC-74, "Description"

C1184

ABS BRAKE RELEASE SW NG

C1189

ABS BRAKE BOOSTER DEFECT

U1000

CAN COMM CIRCUIT

BRC-80, "Description"

DTC

Items (CONSULT screen terms)

Reference

2010 Pathfinder

BRC-112

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

VDC/TCS/ABS

SYMPTOM DIAGNOSIS

VDC/TCS/ABS

Symptom Table

INFOID:0000000005258770

If ABS warning lamp, VDC OFF indicator lamp and SLIP indicator lamp turn ON, perform self-diagnosis.

NOTE:

• 1: The ABS does not operate when the speed is 10 km/h (6 MPH) or less.
• 2: Under the following conditions, ABS is activated and vibration is felt when brake pedal is lightly depressed. However, this is normal.
- When shifting gears
- When driving on slippery road
- During cornering at high speed
- When passing over bumps or grooves [at approximately 50 mm (1.97 in) or more]
- When pulling away just after starting engine [at approximately 10 km/h (6 MPH) or higher]

Symptom

Check item

Reference

Excessive ABS function operation fre-
quency

Brake force distribution

BRC-113, "Diagno-

Looseness of front and rear axle

Wheel sensor and rotor system

Unexpected pedal reaction

Brake pedal stroke

BRC-114, "Diagno-

Make sure the braking force is sufficient when the ABS is not operating.

The braking distance is long

Check stopping distance when the ABS is not operating.

BRC-115, "Diagno-

ABS function does not operate (Note 1)

ABS actuator and electric unit (control unit)

BRC-116, "Diagno-

Pedal vibration or ABS operation sound
occurs (Note 2)

Brake pedal

BRC-117, "Diagno-

ABS actuator and electric unit (control unit)

Vehicle jerks during VDC/TCS/ABS con-
trol

ABS actuator and electric unit (control unit)

BRC-118, "Diagno-

TCM

ECM

2010 Pathfinder

EXCESSIVE ABS FUNCTION OPERATION FREQUENCY

BRC-113

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

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J

K

L

M

A

B

BRC

N

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P

EXCESSIVE ABS FUNCTION OPERATION FREQUENCY

Diagnosis Procedure

INFOID:0000000005258771

1.

CHECK START

Check front and rear brake force distribution using a brake tester.
Is the inspection result normal?

YES

>> GO TO 2

NO

>> Check brake system.

2.

CHECK FRONT AND REAR AXLE

Make sure that there is no excessive play in the front and rear axles. Refer to front:

FAX-6, "On-Vehicle

Inspection and Service"

RAX-6, "On-Vehicle Inspection and Service"

.

Is the inspection result normal?

YES

>> GO TO 3

NO

>> Repair or replace malfunctioning components.

3.

CHECK WHEEL SENSOR AND SENSOR ROTOR

Check the following.

• Wheel sensor installation for damage.

• Sensor rotor installation for damage.

• Wheel sensor connector connection.

• Wheel sensor harness inspection.
Is the inspection result normal?

YES

>> GO TO 4

NO

>> • Replace wheel sensor or sensor rotor. Refer to

BRC-125, "Removal and Installation"

sensor) or

BRC-126, "Removal and Installation"

(sensor rotor).

• Repair harness.

4.

CHECK ABS WARNING LAMP DISPLAY

Make sure that the ABS warning lamp is turned off after the ignition switch is turned ON or when driving.
Is the ABS warning lamp illuminated?

YES

>> Perform self-diagnosis. Refer to

BRC-22, "CONSULT-III Function (ABS)"

.

NO

>> Normal

2010 Pathfinder

BRC-114

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

UNEXPECTED PEDAL REACTION

UNEXPECTED PEDAL REACTION

Diagnosis Procedure

INFOID:0000000005258772

1.

CHECK BRAKE PEDAL STROKE

Check brake pedal stroke. Refer to

BR-17, "Inspection and Adjustment - Standard Pedal"

or

BR-18, "Inspec-

tion and Adjustment - Adjustable Pedal"

.

Is the stroke too large?

YES

>> • Bleed air from brake tube and hose. Refer to

BR-20, "Bleeding Brake System"

• Check brake pedal, brake booster, and master cylinder for mount play, looseness, brake system

fluid leakage, etc. Refer to

BR-17, "Inspection and Adjustment - Standard Pedal"

"Inspection and Adjustment - Adjustable Pedal"

(brake pedal),

BR-48, "Disassembly and

(master cylinder),

BR-10, "Inspection"

(brake booster).

NO

>> GO TO 2

2.

CHECK FUNCTION

Disconnect ABS actuator and electric unit (control unit) connector to deactivate ABS. Check if braking force is

normal in this condition. Connect connector after inspection.
Is the inspection result normal?

YES

>> Normal

NO

>> Check brake system.

2010 Pathfinder

THE BRAKING DISTANCE IS LONG

BRC-115

< SYMPTOM DIAGNOSIS >

[VDC/TCS/ABS]

C

D

E

G

H

I

J

K

L

M

A

B

BRC

N

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P

THE BRAKING DISTANCE IS LONG

Diagnosis Procedure

INFOID:0000000005258773

CAUTION:

The stopping distance on slippery road surfaces might be longer with the ABS operating than when

the ABS is not operating.

1.

CHECK FUNCTION

Turn ignition switch OFF and disconnect ABS actuator and electric unit (control unit) connector to deactivate

ABS. In this condition, check stopping distance. After inspection, connect connector.
Is the inspection result normal?

YES

>> Normal

NO

>> Check brake system.

2010 Pathfinder

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