Nissan Sentra B18 (2020-2025) Service Manual: 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.
Reference Value
Reference Value
Note:
The Signal Tech II Tool [– (NI-50190)] can be used
to perform the following functions. Refer to the Signal Tech II User
Guide for additional information.
...
Dtc Inspection Priority Chart
DTC Inspection
Priority Chart
If some DTCs are displayed at the same time, perform
inspections one by one based on the following priority chart:
...
Other materials:
Tcm
Reference Value
Reference Value
CONSULT DATA MONITOR STANDARD VALUE
In CONSULT, electric shift timing or lock-up timing, i.e.
operation timing of each solenoid valve, is displayed. Therefore, if
there is an obvious difference between the shift timing estimated from ...
Removal and Installation
Removal and Installation
REMOVAL
Warning:
Before servicing the SRS, place the ignition
switch in the OFF position, disconnect both battery terminals then
wait at least three minutes.
Do not use air tools or electric tools for
...
Exploded View
Exploded View
1.
Instrument panel
assembly
2.
Front passenger air bag
module
...
