Nissan Sentra Service Manual: Basic inspection
- Diagnosis and repair workflow
- Basic inspection
- Additional service when replacing ecm
- Vin registration
- Accelerator pedal released position learning
- Throttle valve closed position learning
- Idle air volume learning
- Mixture ratio self-learning value clear
- Fuel pressure
- How to set srt code
- How to erase permanent DTC
Wiring diagram
Engine control system
Wiring Diagram
...
Diagnosis and repair workflow
Work Flow
OVERALL SEQUENCE
*1: Include 1st trip DTC.
*2: Include 1st trip freeze frame data.
DETAILED FLOW
1.GET INFORMATION FOR SYMPTOM
Get the detailed information from the customer about ...
Other materials:
Wiring diagram
Interior room lamp control system
Wiring diagram
Illumination
Wiring diagram
...
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 voltage between ECM harness connector terminals.
Is the inspection result normal?
YES >> ...
P0131 A/F Sensor 1
DTC Logic
DTC DETECTION LOGIC
To judge the malfunction, the diagnosis checks that the A/F signal computed
by ECM from the A/F sensor 1
signal is not inordinately low.
DTC No.
CONSULT screen terms
(Trouble diagnosis content)
DTC detecting condition
Possible cause
P01 ...