Nissan Sentra manuals

Nissan Sentra Service Manual: ECU diagnosis information

Diagnosis sensor unit

DTC Index

DIAGNOSTIC CODE CHART

NOTE:

Follow the procedures in numerical order when repairing malfunctioning parts. Confirm whether malfunction is eliminated using air bag warning lamp or CONSULT each time repair is finished. If malfunction is still observed, proceed to the next step. When malfunction is eliminated, further repair work is not required.





Flash Code Index


Flash Code Index

WARNING LAMP FLASH CODE CHART

How to read flash codes

  1. Put the vehicle in Diagnosis Mode. Refer to SRC-17, "Trouble Diagnosis without CONSULT".
  2. All codes are proceded by a seven second ”holding” flash.
  3. Identify how many primary flashes are displayed as well as the length of each primary flash.
  4. Refer to the tables and examples below to determine which SRS subsystem the code belongs to.
  5. Count the short secondary flashes that follow the primary flashes.
  6. Match the correct flashing pattern to the malfunctioning component and perform the Diagnosis Procedure.

Refer to the illustrations below for an example of each flashing pattern.

Front subsystem

Side subsystem


Side subsystem

Air bag subsystem


Air bag subsystem

Sensor subsystem


Sensor subsystem

Wiring diagram


Diagnosis system (AIR BAG)
Description CAUTION: Never use electrical test equipment on any circuit related to the SRS unless instructed in this Service Manual. SRS wiring harnesses can be identified by yellow and/or o ...

Wiring diagram
SRS AIR BAG SYSTEM Wiring Diagram ...

Other materials:

Fog light switch (if so equipped)
To turn the fog lights on, turn the headlight switch to the  position, then turn the fog light switch to the position. If the headlight switch is in the AUTO position and the fog light switch is moved to the ON position, both the fog lights and the headlights (including all other ...

Diagnosis system (ECM)
Diagnosis description : 1st trip detection logic and two trip detection logic When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data are stored in the ECM memory. The MIL will not illuminate at this stage. <1st trip> If the same malfunction is dete ...

S connector circuit
Description The starter motor magnetic switch is supplied with power when the ignition switch is turned to the START position while the selector lever is in the P (Park) or N (Neutral) position (CVT Models) or the clutch pedal is depressed (M/T Models). Diagnosis Procedure Regarding Wiring ...

© 2014-2019 Copyright www.nisentra.com