Nissan Almera Tino V10. Manual — part 274
3
CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector E143 and make sure the braking force is sufficient when
ABS is not operating. After the inspection, reconnect connector.
OK or NG
Yes
©
GO TO 4.
No
©
Check brake system.
4
CHECK ABS WARNING LAMP DISPLAY
Make sure ABS warning lamp turns OFF approximately 2 sec. after ignition switch is turned ON or when driving.
OK or NG
Yes
©
Normal
No
©
GO TO 5.
5
CHECK WHEEL SENSOR
Check the following:
I
Sensor mount and damage
I
Sensor rotor mount and damage
I
Sensor connector connection
I
Sensor harness
OK or NG
Yes
©
Normal
No
©
Replace sensor or sensor rotor.
Symptom 3 The Braking Distance Is Long
NLBR0199
CAUTION:
On slippery road surfaces, the stopping distance might be
longer with ABS operating than when ABS is not operating.
1
CHECK FUNCTION
Disconnect ABS actuator and electric unit (control unit) connector E143 to deactivate ABS. In this condition, check stop-
ping distance. After inspection, connect connector.
Is stopping distance still long?
Yes
©
I
Bleed air from the brake piping.
I
Check brake system.
No
©
GO TO 2.
2
CHECK ABS WARNING LAMP DISPLAY
Make sure ABS warning lamp turns OFF approximately 2 sec. after ignition switch is turned ON or when driving.
OK or NG
Yes
©
Normal
No
©
GO TO 3.
TROUBLE DIAGNOSIS
ESP/TCS/ABS
Symptom 2 Unexpected Pedal Reaction (Cont’d)
BR-144
3
CHECK WHEEL SENSOR
Check the following:
I
Sensor mount and damage
I
Sensor rotor mount and damage
I
Sensor connector connection
I
Sensor harness
OK or NG
Yes
©
Normal
No
©
Replace sensor or sensor rotor.
Symptom 4 ABS Function Does Not Operate
NLBR0200
CAUTION:
ABS does not operate when vehicle speed is 10 km/h (6 MPH)
or less.
1
CHECK ABS WARNING LAMP DISPLAY
Make sure ABS warning lamp turns OFF approximately 2 second after ignition switch is turned on or when driving.
OK or NG
OK
©
GO TO 2.
NG
©
Perform self-diagnosis. Refer to BR-112.
2
CHECK WHEEL SENSOR
Check the following:
I
Sensor mount and damage
I
Sensor rotor mount and damage
I
Sensor connector connection
I
Sensor harness
OK or NG
OK
©
Normal
NG
©
Replace sensor or sensor rotor.
Symptom 5 Pedal Vibration or ABS Operation
Sound Occurs
NLBR0201
CAUTION:
Under the following conditions, when brake pedal is lightly
depressed (just place a foot on it), ABS is activated and vibra-
tion is felt. However, this is normal.
I
When shifting gears
I
When driving on slippery road
I
During cornering at high speed
I
When passing over bumps or grooves
I
When pulling away just after starting engine [at approxi-
mately 10 km/h (6 MPH) or higher]
1
SYMPTOM CHECK 1
Check if pedal vibration or operation sound occurs when engine is started.
OK or NG
OK
©
Perform self-diagnosis. Refer to BR-112.
NG
©
GO TO 2.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS
ESP/TCS/ABS
Symptom 3 The Braking Distance Is Long (Cont’d)
BR-145
2
INSPECTION (1)
Does vibration occur during normal parking?
CAUTION:
In addition to activation for sudden braking, ABS may activate in conditions such as those listed below.
I
Roads with low surface
I
Turning at high speed
I
Passing through gusts of wind
OK or NG
OK
©
GO TO 3.
NG
©
Normal
3
INSPECTION (2)
Check for vibration when engine speed is increased while vehicle is stopped.
OK or NG
OK
©
GO TO 4.
NG
©
I
Normal
CAUTION:
Vibration may occur when vehicle is stopped.
4
INSPECTION (3)
Check for vibration when switches of electrical components are operated.
OK or NG
OK
©
Check for any wireless devices, or antenna lead near control unit (including wiring).
NG
©
GO TO 5.
5
CHECKING ABS WARNING LAMP INDICATION
Make sure that ABS warning lamp turns on.
OK or NG
OK
©
Perform self-diagnosis. Refer to BR-112.
NG
©
GO TO 6.
6
CHECK WHEEL SENSORS
Check the following:
I
Sensor mounting
I
Sensor pick-up for iron chips
I
Sensor connector engagement
I
Wheel sensor circuit
OK or NG
OK
©
Normal
NG
©
Repair wheel sensor and sensor rotor system.
TROUBLE DIAGNOSIS
ESP/TCS/ABS
Symptom 5 Pedal Vibration or ABS Operation Sound Occurs (Cont’d)
BR-146
Symptom 6 Vehicle Jerks During ESP/TCS/ABS
Control
NLBR0202
1
CHECK ENGINE SPEED SIGNAL
Conduct CONSULT-II ABS actuator and electric unit (control unit) “Data Monitor”.
Is engine speed at idle 400 rpm or higher?
Yes
Normal.
No
GO TO 2.
2
CHECK ABS WARNING LAMP DISPLAY
Make sure ABS warning lamp turns OFF approximately 2 sec. after ignition switch is turned on or when driving.
OK or NG
OK
GO TO 3.
NG
Perform self-diagnosis. Refer to BR-112.
3
CHECK ECM SELF-DIAGNOSTIC RESULTS
Perform ECM self-diagnosis.
Are self-diagnosis items displayed?
Yes
Check the corresponding items. Refer to EC-20, EC-554, EC-938 or EC-1252 in “Engine
Control (EC section)”.
No
GO TO 4.
4
CHECK A/T SELF-DIAGNOSTIC RESULTS
Perform A/T self-diagnosis.
OK or NG
OK
GO TO 6.
NG
Check the corresponding items. Refer to AT-35.
5
SELF-DIAGNOSTIC RESULTS INSPECTION 1
Perform self-diagnosis of ABS actuator and electric unit (control unit).
Are self-diagnosis items displayed?
Yes
Check the corresponding items, make repairs, and perform ABS actuator and electric
unit (control unit) self-diagnosis again.
No
GO TO 7.
6
CHECK CONNECTOR
1. Disconnect ABS actuator and electric unit (control unit) E143 and the ECM connector, check terminals for deformation,
disconnection, looseness, and so on. If there is an error, repair or replace connector.
2. Securely reconnect connector and perform self-diagnosis.
OK or NG
OK
If connector terminal contact is loose, damaged, open or shorted, repair or replace con-
nector terminal.
NG
GO TO 7.
GI
MA
EM
LC
EC
FE
CL
MT
AT
AX
SU
ST
RS
BT
HA
SC
EL
IDX
TROUBLE DIAGNOSIS
ESP/TCS/ABS
Symptom 6 Vehicle Jerks During ESP/TCS/ABS Control
BR-147
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