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:
Primary Pressure Solenoid Valve Circuit
Diagnosis Procedure
Diagnosis Procedure
CHECK HARNESS CONNECTOR
Ignition switch OFF.
Check the mating condition of TCM
harness connector and CVT unit harness
connector.
Is the inspect ...
B2231-16 Battery Voltage
Dtc Description
DTC Description
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis
content)
DTC detected condition
...
Intelligent Key Button Operation Has Poor Range (one Key)
Description
Description
Intelligent Key button operation has poor range.
(One Intelligent Key has the symptom, other keys operate
normally.)
SYMPTOM TABLE (ONE INTELLIGENT KEY HAS THE
SYMPTOM, OTHER KEYS OPERATE NORMALLY)
...