Nissan Sentra B18 (2020-2025) Service Manual: Fail-Safe
Fail-safe
FAIL-SAFE CONTROL BY DTC
BCM performs fail-safe control when any DTC are detected.
|
Display contents of CONSULT |
Fail-safe |
|---|---|
|
B2C21-23: Seat belt buckle switch (driver side) |
Inhibit idle start/stop system |
|
B2C41-04: Power window motor FL |
Front power window motor LH operation is stop or inching |
|
B2C95-01: Combination switch |
Headlamp ON (low beam) |
|
B2C95-64: Combination switch |
Headlamp ON (low beam) |
|
B2F60-55: Seat belt buckle switch (driver side) |
Inhibit idle start/stop system |
|
B2FAE-12: Ignition relay |
Inhibit engine cranking |
|
B2FAE-14: Ignition relay |
Inhibit engine cranking |
|
U1C02-08: LIN communication |
Front power window motor LH operation is stop |
FAIL-SAFE CONTROL OF COMBINATION SWITCH READING FUNCTION CAUSED BY LOW POWER SUPPLY VOLTAGE
If battery power supply voltage lowers, the BCM maintains the combination switch reading status to the status when input voltage was less than approximately 9 V.
Note:
When battery power supply voltage is approximately 9 V or more, the combination switch reading function returns to normal operation.
Other materials:
U2141 Can Comm Err (tcm)
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen
terms
(Trouble
diagnosis content)
DTC detection condition
...
U2118-87 Can Comm Circuit
Dtc Description
DTC Description
CAN (Controller Area Network) is a serial
communication system for real time application. It is an on-Nissan Sentra vehicle
multiplex communication system with high data communication speed
and excellent error detectability. Many electronic control un ...
B203f-14 Outside Antenna
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen items
(Trouble diagnosis
content)
DTC detecting condition
...