Nissan Sentra Service Manual: Malfunction indicator lamp
Component Function Check
1.CHECK MIL FUNCTION
- Turn ignition switch ON.
- Check that MIL lights up.
Is the inspection result normal? YES >> INSPECTION END
NO >> Proceed to EC-467, "Diagnosis Procedure".
Diagnosis Procedure
1.CHECK DTC WITH ECM
Check that DTC UXXXX is not displayed.
Is the inspection result normal? YES >> GO TO 2.
NO >> Perform trouble diagnosis for DTC UXXXX. Refer to EC-94, "DTC Index".
2.CHECK DTC WITH COMBINATION METER
Check DTC with combination meter. Refer to MWI-17, "CONSULT Function (METER/M&A)".
Is the inspection result normal? YES >> GO TO 3.
NO >> Perform trouble diagnosis for DTC indicated. Refer to MWI-26, "DTC Index".
3.CHECK INTERMITTENT INCIDENT
Check intermittent incident. Refer to GI-39, "Intermittent Incident".
Is the inspection result normal? YES >> Replace combination meter. Refer to MWI-77, "Removal and Installation".
NO >> Repair or replace error-detected parts.
Refrigerant pressure sensor
Component Function Check
1.CHECK REFRIGERANT PRESSURE SENSOR OVERALL FUNCTION
Start engine and warm it up to normal operating temperature.
Turn A/C switch and blower fan switch ON.
Check the ...
On board refueling vapor recovery(ORVR)
Component Function Check
1.CHECK ORVR FUNCTION
Check whether the following symptoms are present.
Fuel odor from EVAP canister is strong
Cannot refuel/Fuel odor from the fuel filler opening is ...
Other materials:
P0171 Fuel injection system function
DTC Logic
DTC DETECTION LOGIC
With the Air/Fuel Mixture Ratio Self-Learning Control, the actual mixture
ratio can be brought closely to the
theoretical mixture ratio based on the mixture ratio feedback signal from the
A/F sensors 1. The ECM calculates
the necessary compensation to correct th ...
Ignition signal
Component Function Check
1.INSPECTION START
Turn ignition switch OFF.
Start engine.
Does the engine start?
YES >> GO TO 2.
NO >> Proceed to EC-456, "Diagnosis Procedure".
2.IGNITION SIGNAL FUNCTION
With CONSULT
Perform “POWER BALANCE” in “ACT ...
Diagnosis and repair work flow
Work Flow
NOTE:
The Signal Tech II Tool (J-50190) can be used to perform the following
functions. Refer to the Signal Tech II
User Guide for additional information.
Activate and display TPMS transmitter IDs
Display tire pressure reported by the TPMS transmitter
Read TPMS DTCs
Register ...
