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:
Hvac branch line circuit
Diagnosis procedure
1.Check connector
Turn the ignition switch off.
Disconnect the battery cable from the negative terminal.
Check the terminals and connectors of the a/c auto amp. For damage, bend
and loose connection (unit
side and connector side).
Is the inspection result normal? ...
P0127 IATSensor
DTC Logic
DTC DETECTION LOGIC
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P0127
IAT SENSOR-B1
(Intake air temperature too high)
Rationally incorrect voltage from the sensor is
sent to ECM, compared with the ...
Basic inspection
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get detailed information from the customer about the symptom (the
condition and the environment when
the incident/malfunction occurs).
Check operation condition of the function th ...
