Nissan Sentra B18 (2020-2025) Service Manual: Dtc Description
DTC DETECTION LOGIC
|
DTC No. |
CONSULT screen terms (Trouble diagnosis content) |
DTC detection condition |
|
|---|---|---|---|
|
U2140-87 |
CAN comm err (ECM) [Controller area network communication error (engine control module)] |
Diagnosis condition |
When ignition switch is ON. |
|
Signal (terminal) |
CAN communication signal |
||
|
Threshold |
When a Lost communication with ECM. |
||
|
Diagnosis delay time |
2 seconds or more |
||
POSSIBLE CAUSE
-
CAN communication line
-
ECM
-
EPS control unit
FAIL-SAFE
Normal control
Confirmation Procedure
Confirmation Procedure
PRECONDITIONING
If “Confirmation Procedure” has been
previously conducted, always place the ignition switch OFF and wait
...
Other materials:
Fuel level sensor signal circuit
Description
The fuel level sensor unit and fuel pump detects the approximate fuel level
in the fuel tank and transmits the
fuel level signal to the combination meter.
Component function check
1.Combination meter input signal
Select meter/m&a on consult.
Using FUEL METER of DATA MONI ...
Door switch
Component Function Check
1.Check function
Select DOOR LOCK of BCM using CONSULT
Select door sw-dr, door sw-as in data monitor mode
Check that the function operates normally according to the following
conditions.
Is the inspection result normal?
YES >> Door switch is OK.
NO ...
Precaution
Precaution for Supplemental Restraint System (SRS) "AIR BAG" and "SEAT
BELT PRE-TENSIONER"
The Supplemental Restraint System such as “AIR BAG” and “SEAT BELT PRE-TENSIONER”,
used along
with a front seat belt, helps to reduce the risk or severity of inju ...
