Nissan Pathfinder (2008 year). Manual — part 114
BRC-218
< ECU DIAGNOSIS >
[HDC/HSA/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:0000000001691083
DTC
Items (CONSULT screen terms)
Reference
C1101
RR RH SENSOR-1
C1102
RR LH SENSOR-1
C1103
FR RH SENSOR-1
C1104
FR LH SENSOR-1
C1105
RR RH SENSOR-2
C1106
RR LH SENSOR-2
C1107
FR RH SENSOR-2
C1108
FR LH SENSOR-2
C1109
BATTERY VOLTAGE [ABNORMAL]
C1110
CONTROLLER FAILURE
C1111
PUMP MOTOR
C1113
G-SENSOR
C1115
ABS SENSOR [ABNORMAL SIGNAL]
C1116
STOP LAMP SW
C1120
FR LH IN ABS SOL
C1121
FR LH OUT ABS SOL
C1122
FR RH IN ABS SOL
C1123
FR RH OUT ABS SOL
C1124
RR LH IN ABS SOL
C1125
RR LH OUT ABS SOL
C1126
RR RH IN ABS SOL
C1127
RR RH OUT ABS SOL
C1130
ENGINE SIGNAL 1
C1131
ENGINE SIGNAL 2
C1132
ENGINE SIGNAL 3
C1133
ENGINE SIGNAL 4
C1136
ENGINE SIGNAL 6
C1140
ACTUATOR RLY
C1142
PRESS SEN CIRCUIT
C1143
ST ANG SEN CIRCUIT
C1144
ST ANG SEN SIGNAL
ABS ACTUATOR AND ELECTRIC UNIT (CONTROL UNIT)
BRC-219
< ECU DIAGNOSIS >
[HDC/HSA/VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
C1145
YAW RATE SENSOR
C1146
SIDE G-SEN CIRCUIT
C1155
BR FLUID LEVEL LOW
C1156
ST ANG SEN COM CIR
C1160
DECEL G SEN SET
C1163
ST ANGL SEN SAFE
C1164
CV1
C1165
CV2
C1166
SV1
C1167
SV2
C1170
VARIANT CORDING
C1178
ABS ACTIVE BOOSTER SV NG
C1179
ABS DELTA S SEN NG
C1181
ABS ACTIVE BOOSTER RESPONSE NG
C1184
ABS BRAKE RELEASE SW NG
C1189
ABS BRAKE BOOSTER DEFECT
U1000
CAN COMM CIRCUIT
DTC
Items (CONSULT screen terms)
Reference
BRC-220
< SYMPTOM DIAGNOSIS >
[HDC/HSA/VDC/TCS/ABS]
VDC/TCS/ABS
SYMPTOM DIAGNOSIS
VDC/TCS/ABS
Symptom Table
INFOID:0000000001691084
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
Looseness of front and rear axle
Wheel sensor and rotor system
Unexpected pedal reaction
Brake pedal stroke
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.
ABS function does not operate (Note 1)
ABS actuator and electric unit (control unit)
Pedal vibration or ABS operation sound
occurs (Note 2)
Brake pedal
ABS actuator and electric unit (control unit)
Vehicle jerks during VDC/TCS/ABS con-
trol
ABS actuator and electric unit (control unit)
TCM
ECM
EXCESSIVE ABS FUNCTION OPERATION FREQUENCY
BRC-221
< SYMPTOM DIAGNOSIS >
[HDC/HSA/VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
EXCESSIVE ABS FUNCTION OPERATION FREQUENCY
Diagnosis Procedure
INFOID:0000000001691085
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:
RAX-5, "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-237, "Removal and Installation"
.
• 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-141, "CONSULT-III Function (ABS)"
NO
>> Normal
BRC-222
< SYMPTOM DIAGNOSIS >
[HDC/HSA/VDC/TCS/ABS]
UNEXPECTED PEDAL REACTION
UNEXPECTED PEDAL REACTION
Diagnosis Procedure
INFOID:0000000001691086
1.
CHECK BRAKE PEDAL STROKE
Check brake pedal stroke. Refer to
BR-7, "Brake Pedal Inspection and Adjustment"
Is the stroke too large?
YES
>> • Bleed air from brake tube and hose. Refer to
.
• Check brake pedal, brake booster, and master cylinder for mount play, looseness, brake system
fluid leakage, etc. Refer to
BR-7, "Brake Pedal Inspection and Adjustment"
(brake pedal),
20, "Removal and Installation"
(master cylinder),
BR-7, "Brake Booster Inspection"
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.
THE BRAKING DISTANCE IS LONG
BRC-223
< SYMPTOM DIAGNOSIS >
[HDC/HSA/VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
THE BRAKING DISTANCE IS LONG
Diagnosis Procedure
INFOID:0000000001691087
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.
BRC-224
< SYMPTOM DIAGNOSIS >
[HDC/HSA/VDC/TCS/ABS]
ABS FUNCTION DOES NOT OPERATE
ABS FUNCTION DOES NOT OPERATE
Diagnosis Procedure
INFOID:0000000001691088
CAUTION:
ABS does not operate when speed is 10 km/h (6 MPH) or lower.
1.
CHECK ABS WARNING LAMP DISPLAY
Make sure that the ABS warning lamp turns OFF after ignition switch is turned ON or when driving.
Is the inspection result normal?
YES
>> Normal
NO
>> Perform self-diagnosis. Refer to
BRC-141, "CONSULT-III Function (ABS)"
.
PEDAL VIBRATION OR ABS OPERATION SOUND OCCURS
BRC-225
< SYMPTOM DIAGNOSIS >
[HDC/HSA/VDC/TCS/ABS]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
PEDAL VIBRATION OR ABS OPERATION SOUND OCCURS
Diagnosis Procedure
INFOID:0000000001691089
CAUTION:
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]
1.
SYMPTOM CHECK 1
Check that there are pedal vibrations when the engine is started.
Do vibrations occur?
YES
>> GO TO 2
NO
>> Inspect the brake pedal.
2.
SYMPTOM CHECK 2
Check that there are ABS operation noises when the engine is started.
Do the operation noises occur?
YES
>> GO TO 3
NO
>> Perform self -diagnosis. Refer to
BRC-141, "CONSULT-III Function (ABS)"
.
3.
SYMPTOM CHECK 3
Check symptoms when electrical component (headlamps, etc.) switches are operated.
Do symptoms occur?
YES
>> Check if there is a radio, antenna, antenna lead wire, or wiring close to the control unit. If there is,
move it farther away.
NO
>> Normal
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