Nissan Frontier D40. Instruction — part 91
BRC-62
< SYMPTOM DIAGNOSIS >
[TYPE 1]
THE BRAKING DISTANCE IS LONG
THE BRAKING DISTANCE IS LONG
Diagnosis Procedure
INFOID:0000000005275100
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.
ABS FUNCTION DOES NOT OPERATE
BRC-63
< SYMPTOM DIAGNOSIS >
[TYPE 1]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
ABS FUNCTION DOES NOT OPERATE
Diagnosis Procedure
INFOID:0000000005275101
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-21, "CONSULT-III Function (ABS)"
.
BRC-64
< SYMPTOM DIAGNOSIS >
[TYPE 1]
PEDAL VIBRATION OR ABS OPERATION SOUND OCCURS
PEDAL VIBRATION OR ABS OPERATION SOUND OCCURS
Diagnosis Procedure
INFOID:0000000005275102
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-21, "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
NORMAL OPERATING CONDITION
BRC-65
< SYMPTOM DIAGNOSIS >
[TYPE 1]
C
D
E
G
H
I
J
K
L
M
A
B
BRC
N
O
P
NORMAL OPERATING CONDITION
Description
INFOID:0000000005275103
Symptom
Result
Slight vibrations are felt on the brake pedal and the operation noises occur, when ABS is activated.
This is a normal condi-
tion due to the ABS acti-
vation.
Stopping distance is longer than that of vehicles without ABS when the vehicle drives on rough, gravel, or
snow-covered (fresh, deep snow) roads.
The brake pedal vibrates and motor operation noises occur from the engine room, after the engine starts and
just after the vehicle starts.
This is normal, and it is
caused by the ABS op-
eration check.
The ABS warning lamp may turn ON when the vehicle is subject to strong shaking or large vibration, such
as when the vehicle is rotating on a turntable or located on a ship while the engine is running.
In this case, restart the
engine on a normal
road. If the normal con-
dition is restored, there
is no malfunction. At
that time, erase the self-
diagnosis memory.
ABS warning lamp may illuminate when running on a special road that is extremely slanted (e.g. bank in a
circuit course).
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