Nissan Sentra manuals

Nissan Sentra Service Manual: U1000 CAN Comm circuit

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 onto a vehicle, 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 communicate data but selectively reads required data only.

DTC Logic

Dtc detection logic

Dtc Display item Malfunction detected condition Possible cause
U1000 Can comm circuit Eps control unit is not transmitting/receiving can communication signal for 2 seconds or more.
  • Can communication malfunction
  • EPS control unit

Dtc confirmation procedure

1.PRECONDITIONING

If DTC CONFIRMATION PROCEDURE has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.

>> GO TO 2.

2.Dtc reproduction procedure

With consult


  1. Turn the ignition switch off to on.

  2. Perform EPS self-diagnosis.

Is DTS U1000 detected? Yes >> proceed to diagnosis procedure. Refer to stc-30, "diagnosis procedure".

No >> inspection end.

Diagnosis Procedure

Proceed to lan-16, "trouble diagnosis flow chart".

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EPS Warning lamp
Component Function Check 1.CHECK THE ILLUMINATION OF THE EPS WARNING LAMP Check that the EPS warning lamp turns ON when ignition switch turns ON. Then, EPS warning lamp turns OFF after the engin ...

Other materials:

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OIL PAN
Exploded View Transaxle assembly Oil pan gasket Magnet Oil pan Overflow tube Drain plug gasket Drain plug Oil pan fitting bolt : Always replace after every disassembly. : NВ·m (kg-m, ft-lb) : NВ·m (kg-m, it-lb) Removal and Installation REMOVAL Remove the en ...

B00A0 OCS System
Description DTC B00A0 OCCUPANT CLASSIFICATION SYSTEM (OCS) The OCS control unit is wired to the air bag diagnosis sensor unit. The air bag diagnosis sensor unit will monitor the OCS for failures and interruptions in communication between the OCS control unit and the air bag diagnosis sensor ...

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