Nissan Sentra Service Manual: Symptom diagnosis
The sport mode indicator lamp does not turn on
Description
The sport mode indicator lamp does not turn on when the sport mode switch is operated.
Diagnosis procedure
1.Perform combination meter on board diagnosis
Perform combination meter on board diagnosis. Refer to mwi-16, "description".
Is the check result normal? Yes >> go to 2.
No >> replace combination meter. Refer to mwi-77, "removal and installation".
2.Check dtc (tcm)
With consult
- Start the engine.
- Check “self diagnostic results” in “transmission”.
Is any dtc detected? Yes >> check dtc detected item. Refer to tm-126, "dtc index".
No >> go to 3.
3.Check dtc (ecm)
With consult
Check “self diagnostic results” in “engine”.
Is any dtc detected? Yes >> check dtc detected item. Refer to ec-94, "dtc index".
No >> go to 4.
4.Check dtc (combination meter)
With consult
Check “self diagnostic results” in “meter/m&a”.
Is any dtc detected? Yes >> check dtc detected item. Refer to mwi-26, "dtc index".
No >> go to 5.
5.Check combination meter input/output signal
With consult
- Select “data monitor” in “meter/m&a”.
- Select “sport mode ind”.
- Check that “sport mode ind” turns on/off when sport mode switch is operated. Refer to mwi-20, "reference value".
Is any dtc detected? Yes >> replace combination meter. Refer to mwi-77, "removal and installation".
No >> go to 6.
6.Check sport mode switch circuit
Check sport mode switch circuit. Refer to dms-34, "diagnosis procedure".
Is any dtc detected? Yes >> inspection end
NO >> Repair or replace malfunctioning parts
Dtc/circuit diagnosis
Sport mode switch
Component function check
1. Check sport mode switch operation
Turn ignition switch on.
Check sport mode indicator lamp turns on/off on combination meter when
turn sport m ...
Removal and installation
Sport mode switch
Removal and installation
Removal
Remove instrument lower panel lh. Refer to ip-14, "exploded view".
Remove SPORT mode switch.
Installation
Installation is in th ...
Other materials:
Dtc/circuit diagnosis
U1000 can comm circuit
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 sym ...
Additional service when replacing ecm
Description
When replacing ECM, the following procedure must be performed. (For details,
refer to EC-135, "Work Procedure".)
PROGRAMMING OPERATION
NOTE:
After replacing with a blank ECM, programming is required to write ECM
information. Be sure to follow the procedure
to perform t ...
Compression pressure
Inspection
Warm up the engine to full operating temperature.
Release fuel pressure. Refer to EC-143, "Work Procedure".
Remove ignition coil and spark plug from each cylinder. Refer to EM-46,
"Exploded View".
Connect engine tachometer (not required in use of CONSULT). ...
