Nissan Sentra manuals

Nissan Sentra Service Manual: On board diagnostic (OBD) system

Nissan Sentra Service Manual / Engine / Engine control system / Operation / On board diagnostic (OBD) system

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)

When GST is connected with a data link connector equipped on the vehicle side, it will communicate with the control unit equipped in the vehicle and then enable various kinds of diagnostic tests. Refer to GI-47, "Description".

NOTE:

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

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Diagnosis system (ECM)
Diagnosis description : 1st trip detection logic and two trip detection logic When a malfunction is detected for the first time, 1st trip DTC and 1st trip Freeze Frame data are stored in the ECM ...

Other materials:

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Spark plugs
Replacing spark plugs WARNINGBe sure the engine and ignition switch are off and that the parking brake is engaged securely. CAUTION Be sure to use the correct socket to remove the spark plugs. An incorrect socket can damage the spark plugs. Platinum-tipped spark plugs (ex ...

How to use this manual
How to use this section Information “Can” of lan section describes information peculiar to a vehicle and inspection procedures. For trouble diagnosis procedure, refer to lan-16, "trouble diagnosis flow chart" of “can fundamental”. Abbreviation list Unit ...

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