Nissan Altima (L32) 2007-2012 Service Manual ≻ Security control system sedan with intelligent key ≻ Component diagnosis ≻ U1000 can comm circuit

Nissan Altima (L32) 2007-2012 Service Manual: U1000 can comm circuit

DescriptionCAN (Controller Area Network) is a serial communication line for real time applications. It is an on-vehicle multiplex communication line with high data communication speed and excellent error detection ability. Modern vehicle is equipped with many electronic control unit, and each control unit shares information and links with other control units during operation (not independent). In CAN communication, control units are connected with 2 communication lines (CAN-H line, CAN-L line) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives data but selectively reads required data only.

CAN Communication Signal Chart, refer to LAN-25, "CAN Communication Signal Chart".

DTC Logic

DTC DETECTION LOGIC

Diagnosis Procedure

1.PERFORM SELF DIAGNOSTIC

1. Turn ignition switch ON and wait for 2 seconds or more.

2. Check “Self Diagnostic Result”.

Is “CAN COMM CIRCUIT” displayed? YES >> Refer to LAN-8, "CAN Communication Control Circuit".

NO >> Refer to GI-42, "Intermittent Incident".

Component diagnosis

...

U1010 control unit (can)

DTC Logic DTC DETECTION LOGIC Diagnosis Procedure 1. REPLACE BCM When DTC U1010 is detected, replace BCM. >> Replace BCM. Refer to BCS-96, "Removal and Installation". ...

Other materials:

Front and rear outboard seat-mounted side-impact supplemental air bag and roof-mounted curtain side-impact and rollover supplemental air bag systems
The side air bags are located in the outside of the seatback of the front and rear outboard seats. The curtain air bags are located in the side roof rails. All of the information, cautions and warnings in this manual must be followed. The side air bags and curtain air bags are designed to inflate i ...

Vehicle loading information
WARNING It is extremely dangerous to ride in a cargo area inside a vehicle. In a collision, people riding in these areas are more likely to be seriously injured or killed. Do not allow people to ride in any area of your vehicle that is not equipped with seats and seat belts. Be sure ever ...

Making a call
1. Press thebutton on the Launch Bar. The "Phone" screen will appear on the display. 2. Select one of the options to make a call. Phonebook To access the phonebook: 1. Press thebutton on the steering wheel or touch the "" key on the launch bar. 2. Touch the "Phonebook" key. 3. Choose the desir ...