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
WARNING LAMP FLASH CODE CHART
How to read flash codes
- Put the vehicle in Diagnosis Mode. Refer to SRC-17, "Trouble Diagnosis without CONSULT".
- All codes are proceded by a seven second ”holding” flash.
- Identify how many primary flashes are displayed as well as the length of each primary flash.
- Refer to the tables and examples below to determine which SRS subsystem the code belongs to.
- Count the short secondary flashes that follow the primary flashes.
- 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
Air bag subsystem
Sensor subsystem
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:
B2267 engine speed
Description
The engine speed signal is transmitted from ecm to the combination meter via
can communication.
Dtc logic
Dtc detection logic
Dtc
Consult
Detection condition
Possible malfunction location
B2267
Tacho meter
[b2267]
ECM continuously transmits abnorma ...
When reading the manual
This manual includes information for all features
and equipment available on this model. Features
and equipment in your vehicle may vary depending
on model, trim level, options selected, order,
date of production, region or availability. Therefore,
you may find information about features or
eq ...
Symptom diagnosis
Nissan vehicle immobilizer systemnats
symptoms
Symptom Table
Note:
Before performing the diagnosis in the following table, check
“SEC-171, "Work Flow"”.
Check that vehicle is under the condition shown in “Conditions of
vehicle” before starting diagnosis, ...
