Nissan Sentra Service Manual: System description
Component parts
Component parts location
Instrument lower finisher
Component description
Sport mode switch
- The sport mode switch is installed to the instrument lower finisher.
- When the sport mode indicator lamp on the combination meter is off and the sport mode switch is pressed, the sport mode is active and the sport mode indicator lamp is on.
- When the sport mode indicator lamp on the combination meter is on and the sport mode switch is pressed, the sport mode is cancelled and the sport mode indicator lamp is off.
Sport mode indicator lamp
Design/purpose
The sport mode indicator lamp inform the driver that the vehicle is in sport mode.
Bulb check
Not applicable
Signal path
- Tcm receives sport mode switch signal (on/off) from combination meter
via can communication.
Based on the signal, tcm transmits sport mode signal to ecm via can communication.
- Ecm transmits sport mode indicator signal to combination meter via can communication. Based on the signal, combination meter illuminates sport mode indicator lamp.
Lighting condition
When all of the following conditions are satisfied.
- Ignition switch: on
- The sport mode switch is pressed when the sport mode indicator lamp is off
Shutoff condition
When any of the condition listed below is satisfied
- Ignition switch: Other than ON
- The sport mode switch is pressed when the sport mode indicator lamp is on.
- The eco mode switch is pressded when the sport mode indicator lamp is on.
System
Sport mode control
Sport mode control : system description
System diagram
System discription
- Tcm receive sport mode switch signal (on/off) from combination meter via can communication. Tcm transmit sport mode signal to ecm via can communication according to the signal.
- Ecm transmit sport mode indicator signal to combination meter via can communication. Combination meter illuminates sport mode indicator lamp according to the signal.
Each ecu control
- For TCM control, refer to TM-104, "SPORT MODE CONTROL : System Description".
- For ecm control, refer to ec-53, "sport mode control : system description".
Precaution
Precaution for supplemental restraint system (srs) "air bag" and "seat
belt pre-tensioner"
The supplemental restraint system such as “air bag” and “seat belt pre- ...
Ecu diagnosis information
Sport mode
List of ecu reference
...
Other materials:
Power supply and ground circuit
Av control unit
Av control unit : diagnosis procedure
Regarding wiring diagram information, refer to av-331, "wiring diagram".
1.Check fuse
Check that the following fuses are not blown.
Are the fuses blown?
Yes >> replace the blown fuse after repairing the affected circuit. ...
B142X Collision detection
Description
DTC B142X COLLISION DETECTION
The air bag diagnosis sensor unit will set this DTC if it has detected a
collision which has resulted in a deployment
of one or more air bags or pre-tensioners. If this DTC is detected after a SRS
repair, the air bag diagnosis
sensor unit has not yet ...
Interior room lamp
Removal and installation
Removal
Insert a suitable tool into the gap between the headlining and the
interior room lamp and release the interior
room lamp.
Disconnect the harness connector from the interior room lamp.
Installation
Installation is in the reverse order of removal.
Bul ...
