Nissan Sentra Service Manual: System description
Component parts
Component parts location
Instrument lower finisher
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
- Ecm receives sport mode switch signal (on/off) from combination meter 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 description
- Ecm transmits sport mode indicator signal to combination meter via can communication. Combination meter illuminates sport mode indicator lamp according to the signal.
- For ecm control details, refer to ec-53, "sport mode control : system description".
Fail-safe
If ecm detects a malfunction during sport mode, the sport mode indicator lamp turns off and the control switches to the normal mode control.
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
Ecm
List of ecu reference
Reference list
...
Other materials:
P1805 Brake switch
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P1805
BRAKE SW/CIRCUIT
(Brake switch circuit)
Stop lamp signal is not sent to ECM for extremely
long time while the vehicle is drivi ...
U1010 Control unit (CAN)
Description
Air bag diagnosis sensor performs self-tests on key ON. If CAN communication
failure within control unit is
detected, DTC is set.
DTC Logic
DTC DETECTION LOGIC
CONSULT name
DTC
DTC detecting condition
Repair order
CAN CONTROL UNIT FAILURE
U1010
CAN ...
Power supply and ground circuit
Diagnosis Procedure
1.CHECK FUSE
Check that the following fuse is not fusing.
Is the fuse fusing?
YES >> Replace the fuse after repairing the applicable circuit.
NO >> GO TO 2.
2.CHECK GROUND CONNECTION
Turn ignition switch OFF
Check ground connection E9 and E15. Refer ...
