Nissan Sentra Service Manual: Vehicle jerks during vdc/tcs/abs control
Diagnosis Procedure
1.SYMPTOM CHECK
Check if the vehicle jerks during VDC/TCS/ABS control.
Is the inspection result normal? YES >> Inspection End.
NO >> GO TO 2
2.CHECK SELF DIAGNOSTIC RESULT
Perform self diagnostic result of ABS actuator and electric unit (control unit). Refer to BRC-31, "CONSULT Function (ABS)".
Are self diagnostic results indicated? YES >> Check corresponding items, make repairs, and perform ABS actuator and electric unit (control unit) self diagnostic result again. Refer to BRC-31, "CONSULT Function (ABS)".
NO >> GO TO 3
3.CHECK CONNECTOR
-
Turn ignition switch OFF.
-
Disconnect ABS actuator and electric unit (control unit) connector.
-
Check terminals for deformation, disconnection, looseness, etc.
-
Securely reconnect connector and perform ABS actuator and electric unit (control unit) self diagnostic result. Refer to BRC-31, "CONSULT Function (ABS)".
Are self diagnostic results indicated? YES >> If poor contact, damage, open or short circuit of connector terminal is found, repair or replace.
NO >> GO TO 4
4.CHECK ECM AND TCM SELF DIAGNOSTIC RESULT
-
Perform ECM self diagnostic result. Refer to EC-66, "CONSULT Function".
-
Perform TCM self diagnostic result. Refer to TM-108, "CONSULT Function".
Are self diagnostic results indicated? YES >> Check the corresponding items.
-
ECM: Refer to EC-94, "DTC Index".
-
TCM: Refer to TM-126, "DTC Index".
NO >> Replace ABS actuator and electric unit (control unit). Refer to BRC-110, "Removal and Installation".
Pedal vibration or abs operation
sound occurs
Diagnosis Procedure
CAUTION:
Under the following conditions, ABS is activated and
vibration is felt when brake pedal is lightly
depressed (just place a foot on it). However, this is norma ...
Normal operating condition
Description
Symptom
Result
Slight vibrations are felt on the brake pedal and operation noises
occur when VDC, TCS or ABS is activated.
This is a normal condition
due to t ...
Other materials:
Malfunction indicator lamp
Component Function Check
1.CHECK MIL FUNCTION
Turn ignition switch ON.
Check that MIL lights up.
Is the inspection result normal?
YES >> INSPECTION END
NO >> Proceed to EC-467, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK DTC WITH ECM
Check that DTC UXXXX i ...
F.M.V.S.S./C.M.V.S.S. certification label
The Federal/Canadian Motor Vehicle Safety
Standard (F.M.V.S.S./C.M.V.S.S.) certification label
is affixed as shown. This label contains valuable
vehicle information, such as: Gross Vehicle
Weight Ratings (GVWR), Gross Axle Weight
Rating (GAWR), month and year of manufacture,
Vehicle Identi ...
Instrument lower panel lH
Removal and Installation
REMOVAL
Remove the instrument side finisher LH (1) using a suitable tool.
Remove the hood and fuel filler handle assembly from the instrument
lower panel LH. Refer to DLK-191,
"FUEL FILLER OPENER CABLE : Removal and Installation".
Release the ...