S Nissan Sentra Manuals Library
Factory-style information for owners and repair work

Nissan Sentra techinfo

Find Nissan Sentra owner information, maintenance instructions, technical references, service procedures and useful repair pages in one clean online library.

Quick access Sentra Docs
B18 Owner's 2020-2025 Sentra owner information B18 Service 2020-2025 Sentra Workshop manual B17 Owner's 2013-2019 Sentra owner documentation B17 Service 2013-2019 Sentra service information

Nissan Sentra B18 (2020-2025) Service Manual: On Board Diagnostic (obd) System

Diagnosis Description

Diagnosis Description

This system is an on board diagnostic system that records exhaust emission-related diagnostic information and detects a sensors/actuator-related malfunction. A malfunction is indicated by the malfunction indicator lamp (MIL) and stored in ECU memory as a DTC. The diagnostic information can be obtained with the diagnostic tool (GST: Generic Scan Tool).

Gst (generic Scan Tool)

GST (Generic Scan Tool)

When GST is connected with a data link connector equipped on the vehicle side, it will communicate with the control unit equipped in the Nissan Sentra vehicle and then enable various kinds of diagnostic tests. Refer to Description.

Note:

Service $0A is not applied for regions where it is not mandated.

    Handling Precaution
    Precaution for Idle Start/stop System Precaution for Idle Start/Stop System PRECAUTIONS FOR IDLE START/STOP SYSTEM OPERATION The operation of the idle start/stop system system n...
    Diagnosis System (ecm)
    On Board Diagnosis Function Diagnosis Description Diagnosis Description ON BOARD DIAGNOSIS ITEM The on board diagnostic system has the following functions. Diagnostic test mode ...

    Other materials:

    B20ce-15 Hl (hi) Lh Pwr Sply Circ
    Dtc Description DTC Description DTC DETECTION LOGIC DTC No. CONSULT screen items (Trouble diagnosis content) DTC detection condition ...

    Magnet Clutch
    Component Function Check Component Function Check CHECK MAGNET CLUTCH OPERATION Perform auto active test of IPDM E/R. Refer to CONSULT Function (IPDM E/R). Does it operate normally? YES >> Inspection End. NO > ...

    Types of tires
    WARNING When changing or replacing tires on your Nissan Sentra, always ensure that all four tires are of the same type (Summer, All Season, or Snow) and the same construction. A NISSAN dealer can assist you in selecting the correct tire type, size, speed rating, and availability suitabl ...