Nissan Maxima Service and Repair Manual: Can communication system
System Description
- CAN communication is a multiplex communication system. This enables the system to transmit and receive large quantities of data at high speed by connecting control units with two communication lines (CAN-H and CAN-L).
- Control units on the CAN network transmit signals using the CAN communication control circuit. They receive only necessary signals from other control units to operate various functions.
- CAN communication lines adopt twisted-pair line style (two lines twisted) for noise immunity.
System Diagram
Each control unit passes an electric current to the termination circuits when transmitting CAN communication signal. The termination circuits produce an electrical potential difference between CAN-H and CAN-L. CAN communication system transmits and receives CAN communication signals by the potential difference.
*: These are the only control units wired with both ends of CAN communication system.
Diag on can
Description
"Diag on CAN" is a diagnosis using CAN communication instead of previous DDL1
and DDL2 communication
lines, between control units and diagnosis unit.
System Diagram
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Other materials:
In-vehicle sensor
Removal and Installation
REMOVAL
Remove the instrument lower panel LH. Refer to IP-19, "Removal and
Installation".
Remove the in-vehicle sensor screw and the in-vehicle sensor.
INSTALLATION
Installation is in the reverse order of removal.
CAUTION:
Make sure that the asp ...
M&A branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the combination meter for
damage, bend and loose connection
(unit side and connector side).
2.CHECK HARNESS FOR OPEN CI ...
ABS branch line circuit
Diagnosis Procedure
1.CHECK CONNECTOR
Turn the ignition switch OFF.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the ABS actuator and
electric unit (control unit) for damage, bend
and loose connection (unit side and connector side).
...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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