Nissan Sentra Service Manual: Can system (type 4)
Dtc/circuit diagnosis
- Main line between ipdm-e and dlc circuit
- Main line between dlc and hvac circuit
- Ecm branch line circuit
- Abs branch line circuit
- Ipdm-e branch line circuit
- Tcm branch line circuit
- A-bag branch line circuit
- Dlc branch line circuit
- EPS branch line circuit
- M&A branch line circuit
- Strg branch line circuit
- Hvac branch line circuit
- BCM branch line circuit
- Can communication circuit
Can communication circuit
Diagnosis procedure
1.Connector inspection
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication syste ...
Main line between ipdm-e and dlc circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the following terminals and connectors for damage, bend and ...
Other materials:
P0643 Sensor power supply
Description
ECM supplies a voltage of 5.0 V to some of the sensors systematically divided
into 2 groups, respectively.
Accordingly, when a short circuit develops in a sensor power source, a
malfunction may occur simultaneously
in the sensors belonging to the same group as the shorted-circui ...
B terminal circuit
Description
“B” terminal circuit supplies power to charge the battery and to operate the
vehicles electrical system.
Diagnosis procedure
Regarding wiring diagram information. Refer to chg-9, "wiring diagram".
1.Check “b” terminal connection
Turn ignition switc ...
Can communication
CAN COMMUNICATION : System Description
CAN (Controller Area Network) is a serial communication line for real time
application. It is an on-vehicle multiplex
communication line with high data communication speed and excellent error
detection ability. Many electronic
control units are equipped ...
