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.

Automatic speed control device  (ASCD)
AUTOMATIC SPEED CONTROL DEVICE (ASCD) : Switch Name and Function SWITCHES AND INDICATORS CRUISE indicator SET indicator* CANCEL switch ACCEL/RES switch COAST/SET switch ASCD MAIN sw ...

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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Component Parts Location BCM (view under instrument panel, left side of vehicle) Combination meter IPDM E/R (view with air inlet duct removed) Combination switch (wiper and washer switch) Front wiper motor (with wiper cowl cover removed) Front washer motor (with front bum ...

Body sealing
Description The following figure shows the areas which are sealed at the factory. Sealant which has been applied to these areas should be smooth and free from cuts or gaps. Care should be taken not to apply an excess amount of sealant and not to allow other unaffected parts to come into conta ...

Ipdm-e 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 ipdm e/r for damage, bend and loose connection (unit side and connector side). Is the inspection result normal? Yes ...

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