Nissan Sentra B18 (2020-2025) Service Manual: Malfunction Area Chart
Vehicle Can Communication 1 Circuit
MAIN LINE
|
Malfunction area |
Reference |
|---|---|
|
Main line between ABS actuator and electric unit (control unit) and combination meter |
Diagnosis Procedure |
BRANCH LINE
|
Malfunction area |
Reference |
|---|---|
|
ECM branch line circuit (Nissan Sentra Vehicle CAN communication 1 circuit) |
Diagnosis Procedure |
|
ABS actuator and electric unit (control unit) branch line circuit (Nissan Sentra Vehicle CAN communication 1 circuit) |
Diagnosis Procedure |
|
EPS control unit branch line circuit |
Diagnosis Procedure |
|
IPDM E/R branch line circuit |
Diagnosis Procedure |
|
TCM branch line circuit (Nissan Sentra Vehicle CAN communication 1 circuit) |
Diagnosis Procedure |
|
Air bag diagnosis sensor unit branch line circuit |
Diagnosis Procedure |
|
A/C auto amp. branch line circuit |
Diagnosis Procedure |
|
A/C amp. branch line circuit |
|
|
Combination meter branch line circuit |
Diagnosis Procedure |
|
Intelligent Key unit branch line circuit |
Diagnosis Procedure |
|
BCM branch line circuit |
Diagnosis Procedure |
SHORT CIRCUIT
|
Malfunction area |
Reference |
|---|---|
|
Nissan Sentra Vehicle CAN communication 1 circuit |
Diagnosis Procedure |
Vehicle Can Communication 2 Circuit
MAIN LINE
|
Malfunction area |
Reference |
|---|---|
|
Main line between sonar control unit and BOSE speaker amp. |
Diagnosis Procedure |
BRANCH LINE
|
Malfunction area |
Reference |
|---|---|
|
Sonar control unit branch line circuit |
Diagnosis Procedure |
|
BOSE speaker amp. branch line circuit |
Diagnosis Procedure |
SHORT CIRCUIT
|
Malfunction area |
Reference |
|---|---|
|
Nissan Sentra Vehicle CAN communication 2 circuit |
Diagnosis Procedure |
Its Can Communication Circuit
BRANCH LINE
|
Malfunction area |
Reference |
|---|---|
|
Front camera unit branch line circuit (ITS CAN communication circuit) |
Diagnosis Procedure |
|
ADAS control unit 2 branch line circuit (ITS CAN communication circuit) |
Diagnosis Procedure |
|
Distance sensor branch line circuit (ITS CAN communication circuit) |
Diagnosis Procedure |
SHORT CIRCUIT OR OPEN CIRCUIT
|
Malfunction area |
Reference |
|---|---|
|
ITS CAN communication circuit |
Diagnosis Procedure |
Chassis Can Communication 1 Circuit
BRANCH LINE
|
Malfunction area |
Reference |
|---|---|
|
Chassis control module (with built in steering angle sensor) branch line circuit (Chassis CAN communication 1 circuit) |
Diagnosis Procedure |
|
ABS actuator and electric unit (control unit) branch line circuit (Chassis CAN communication 1 circuit) |
Diagnosis Procedure |
SHORT CIRCUIT OR OPEN CIRCUIT
|
Malfunction area |
Reference |
|---|---|
|
Chassis CAN communication 1 circuit |
Diagnosis Procedure |
Chassis Can Communication 2 Circuit
MAIN LINE
|
Malfunction area |
Reference |
|---|---|
|
Main line between ADAS control unit 2 and distance sensor |
Diagnosis Procedure |
BRANCH LINE
|
Malfunction area |
Reference |
|---|---|
|
Distance sensor branch line circuit (Chassis CAN communication 2 circuit) |
Diagnosis Procedure |
|
Chassis control module (with built in steering angle sensor) branch line circuit (Chassis CAN communication 2 circuit) |
Diagnosis Procedure |
|
ADAS control unit 2 branch line circuit (Chassis CAN communication 2 circuit) |
Diagnosis Procedure |
|
Front camera unit branch line circuit (Chassis CAN communication 2 circuit) |
Diagnosis Procedure |
SHORT CIRCUIT
|
Malfunction area |
Reference |
|---|---|
|
Chassis CAN communication 2 circuit |
Diagnosis Procedure |
Chassis Can Communication 3 Circuit
MAIN LINE
|
Malfunction area |
Reference |
|---|---|
|
Main line between ADAS control unit 2 and around view monitor control unit |
Diagnosis Procedure |
|
Main line between ADAS control unit 2 and side radar LH |
Diagnosis Procedure |
|
Main line between around view monitor control unit and side radar LH |
Diagnosis Procedure |
BRANCH LINE
|
Malfunction area |
Reference |
|---|---|
|
Side radar LH branch line circuit |
Diagnosis Procedure |
|
Side radar RH branch line circuit |
Diagnosis Procedure |
|
Around view monitor control unit branch line circuit |
Diagnosis Procedure |
|
ADAS control unit 2 branch line circuit (Chassis CAN communication 3 circuit) |
Diagnosis Procedure |
SHORT CIRCUIT
|
Malfunction area |
Reference |
|---|---|
|
Chassis CAN communication 3 circuit |
Diagnosis Procedure |
Drivetrain Can Communication Circuit
BRANCH LINE
|
Malfunction area |
Reference |
|---|---|
|
ECM branch line circuit (Drivetrain CAN communication circuit) |
Diagnosis Procedure |
|
TCM branch line circuit (Drivetrain CAN communication circuit) |
Diagnosis Procedure |
SHORT CIRCUIT
|
Malfunction area |
Reference |
|---|---|
|
Drivetrain CAN communication circuit |
Diagnosis Procedure |
Engine Can Communication Circuit
SHORT CIRCUIT
|
Malfunction area |
Reference |
|---|---|
|
Engine CAN communication circuit |
Diagnosis Procedure |
It Can Communication Circuit
BRANCH LINE
|
Malfunction area |
Reference |
|---|---|
|
AV control unit branch line circuit |
Diagnosis Procedure |
|
TCU branch line circuit |
Diagnosis Procedure |
SHORT CIRCUIT
|
Malfunction area |
Reference |
|---|---|
|
IT CAN communication circuit |
Diagnosis Procedure |
Diagnostic Can Communication Circuit
BRANCH LINE
|
Malfunction area |
Reference |
|---|---|
|
Data link connector branch line circuit |
Diagnosis Procedure |
SHORT CIRCUIT
|
Malfunction area |
Reference |
|---|---|
|
Diagnostic CAN communication circuit |
Diagnosis Procedure |
Main Line Between Abs and M&a Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the
...
Other materials:
Warning/Indicator lights (other)
For additional details about warning and indicator functions in the Nissan Sentra,
refer to the sections titled "Vehicle information display 4.2 inch (11 cm) Type
A" or "Vehicle information display 7 inch (18 cm) Type B", depending on the equipment
installed in your vehicle ...
Preparation
Special Service Tool
Special Service Tool
The actual shape of the tools may differ from those
illustrated here.
Tool number
(TechMate No.)
Tool name
Descriptio ...
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 normal.
When shifting gears
When driving on slippery road
During cornering at high spee ...
