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:
B2205 vehicle speed
Description
The abs actuator and electric unit (control unit) provides a vehicle speed
signal to the combination meter via
can communication lines.
DTC Logic
Dtc detection logic
Dtc
Consult
Detection condition
Possible malfunction location
B2205
VEHICLE SPEED CIR ...
Diagnosis system (bcm) (without intelligent key system)
Common item
COMMON ITEM : CONSULT Function (BCM - COMMON ITEM)
APPLICATION ITEM
CONSULT performs the following functions via CAN communication with BCM.
Direct Diagnostic Mode
Description
ECU identification
The BCM part number is displayed.
Self Diagnostic Result
...
Turn signal switch
Turn signal
Move the lever up or down to signal the
turning direction. When the turn is completed,
the turn signal cancels automatically.
Lane change signal
To signal a lane change, move the lever up or
down to the point where the indicator light
begins to flash, but the lever ...
