Nissan Sentra B18 (2020-2025) Service Manual: Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
|
Terminal No. (Wire color) |
Description |
Condition |
Voltage (Approx.) |
|||
|---|---|---|---|---|---|---|
|
+ |
− |
Signal name |
Input/Output |
|||
|
1 (Y) |
Ground |
Auto ACC power supply |
Input |
Ignition switch OFF (auto ACC status) or ON |
Battery voltage |
|
|
Ignition switch OFF (not auto ACC status) |
0 V |
|||||
|
2 (W) |
Ground |
Tilt up signal |
Input |
Moonroof switch |
Tilt up position |
0 V |
|
Other than above |
Battery voltage |
|||||
|
4 (V) |
Ground |
Nissan Sentra Vehicle speed signal |
Input |
Speedometer operated [When Nissan Sentra vehicle speed is approx. 25 MPH (40 km/h)] |
Note: 
The maximum voltage varies depending on the specification (destination unit). 
|
|
|
5 (B) |
Ground |
Ground |
— |
— |
0 V |
|
|
6 (SB) |
Ground |
Ignition ON signal |
Input |
Ignition switch ON |
Battery voltage |
|
|
Other than above |
0 V |
|||||
|
7 (R) |
Ground |
Open signal |
Input |
Moonroof switch |
Open position |
0 V |
|
Other than above |
Battery voltage |
|||||
|
8 (G) |
Ground |
Close/Tilt down signal |
Input |
Moonroof switch |
Close/Tilt down position |
0 V |
|
Other than above |
Battery voltage |
|||||
Other materials:
Dtc/circuit diagnosis
U1000 can comm
Description
Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description".
Dtc logic
Dtc detection logic
Note:
U1000 can be set if a module harness was disconnected and reconnected,
perhaps during a repair. Confirm
that there are actual can diagnostic symptoms and ...
Can communication circuit
Diagnosis procedure
1.Connector inspection
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Disconnect all the unit connectors on CAN communication system.
Check terminals and connectors for damage, bend and loose connection.
Is the inspection resu ...
P1556, P1557 Battery temperature sensor
DTC Logic
DTC DETECTION LOGIC
NOTE:
If DTC P1556 or P1557 is displayed with DTC P0643, first perform the
trouble diagnosis for DTC P0643.
Refer to EC-353, "DTC Logic".
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible caus ...
