Nissan Sentra B18 (2020-2025) Service Manual: Fail Safe
FAIL-SAFE CONTROL BY POWER WINDOW MOTOR
Power window motor switches power window operation to fail-safe control when malfunction is detected.
|
Detected item |
Judgment condition |
Fail-safe operation |
Recovery condition |
|---|---|---|---|
|
Non-Initialized condition |
When the motor integrated CPU detect door glass position non-initialized condition |
Auto UP operation (Anti-pinch) is forbidden |
Initialization completed |
|
Thermal protection |
When the motor integrated CPU detects thermal protection |
DOWN operation is forbidden |
After cooling, a certain amount of time has passed in the ignition switch ON state (Reference values: approximately 30 to 90 seconds, the elapsed time will be changed depending on how the temperature drops) |
|
When the motor integrated CPU detects thermal protection again when UP is operated from the above state |
Operation is forbidden (UP and DOWN is forbidden) |
||
|
Consecutive reverse operation malfunction |
When the motor integrated CPU has detected consecutively 3 times the reverse operation |
Auto UP operation (Anti-pinch) is forbidden |
Approximately 10 seconds passed or the motor integrated CPU detect door glass fully close position |
FAIL-SAFE CONTROL BY DTC
Power window motor performs fail-safe control when any DTC are detected.
| DTC | Fail-safe |
|---|---|
|
B2C41–04 |
Front power window motor LH operation is stop or inching. |
|
U1C02–08 |
Front power window motor LH operation is stop. |
Reference Value
Reference Value
TERMINAL LAYOUT
Physical Values
Terminal No.
(Wire color)
...
Other materials:
Rear rh side power window does not operate
When both power window main switch and rear power window switch RH are
operated
When both power window main switch and rear power window switch rh are
operated : diagnosis procedure
1.CHECK REAR POWER WINDOW SWITCH RH
Check rear power window switch RH.
Refer to PWC-40, "REAR POWER WIN ...
Removal and Installation
Removal and Installation
Removal
Remove the
upper core support cover. Refer to Exploded View.
Disconnect
the harness connectors from the horn. Note:
The harness connector locations prior to
removal.
Remove the
horn nut and the horn.
Installation
Installation is ...
Component Function Check
Component Function
Check
CHECK FRONT WIPER HI OPERATION
CONSULT
Select “FRONT WIPER” in "Active Test" mode of “IPDM
E/R”.
With operating the test item, ch ...
