Nissan Sentra B18 (2020-2025) Service Manual: Power Supply, Ground & Circuit Elements :: System Description
Component Parts. Electrical Units Location. Electrical Units Location
Component Parts Location
Component Parts Location
|
No. |
Component |
|---|---|
|
1. |
Fusible Link Box (Battery) |
|
2. |
Battery |
|
3. |
Fuse, Fusible Link and Relay Box |
|
4. |
IPDM E/R (Intelligent Power Distribution Module Engine Room) |
|
5. |
Fuse Block Junction Box (J/B) |
System. Power Supply, Ground & Circuit Elements. Power Supply, Ground & Circuit Elements
Harness Connector
Harness Connector
HARNESS CONNECTOR (TAB-LOCKING TYPE)
-
The tab-locking type connectors help prevent accidental looseness or disconnection.
-
The tab-locking type connectors are disconnected by pushing or lifting the locking tab(s). Refer to the figure below.
Refer to the next page for description of the slide-locking type connector.
CAUTION:
Do not pull the harness or wires when disconnecting the connector.
[Example]
HARNESS CONNECTOR (SLIDE-LOCKING TYPE)
-
A new style slide-locking type connector is used on certain systems and components, especially those related to OBD.
-
The slide-locking type connectors help prevent incomplete locking and accidental looseness or disconnection.
-
The slide-locking type connectors are disconnected by pushing or pulling the slider. Refer to the figure below.
CAUTION:
-
Do not pull the harness or wires when disconnecting the connector.
-
Be careful not to damage the connector support bracket when disconnecting the connector.
[Example]
HARNESS CONNECTOR (LEVER LOCKING TYPE)
-
Lever locking type harness connectors are used on certain control units and control modules such as ECM, ABS actuator and electric unit (control unit), etc.
-
Lever locking type harness connectors are also used on super multiple junction (SMJ) connectors.
-
Always confirm the lever is fully locked in place by moving the lever as far as it will go to ensure full connection.
CAUTION:
-
Always confirm the lever is fully released (loosened) before attempting to disconnect or connect these connectors to avoid damage to the connector housing or terminals.
|
1. |
Control unit with single lever |
2. |
Control unit with dual lever |
3. |
SMJ connector |
|
A. Fasten |
A. Lever |
A. Lever |
|||
|
B. Loosen |
B. Fasten |
B. Fasten |
|||
|
C. Lever |
C. Loosen |
C. Loosen |
Standardized Relay
Standardized Relay
NORMAL OPEN, NORMAL CLOSED AND MIXED TYPE RELAYS
Relays can mainly be divided into three types: normal open, normal closed and mixed type relays.
TYPE OF STANDARDIZED RELAYS
|
1M ···················· 1 Make |
2M ···················· 2 Make |
|
1T ···················· 1 Transfer |
1M·1B ···················· 1 Make 1 Break |
Other materials:
Front Camera Unit
Values on the Diagnosis Tool
Values On The Diagnosis Tool
Note:
The following table includes information (items)
inapplicable to this Nissan Sentra vehicle. For information (items) applicable to this
vehicle, refer to CONSULT display items.
...
The System Does Not Detect the Vehicle Ahead at All
Diagnosis Procedure
Diagnosis Procedure
When AEB system is active, the AEB system does not perform any
control even though there is a vehicle ahead.
CHECK INFORMATION DISPLAY
Start the “Self Diagnosis”
of combination meter. Refer to De ...
Reference Value
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
Terminal No.
(Wire color)
Description
Condition
Value
...