Nissan Sentra Service Manual: Description

Nissan Sentra Service Manual / General information / How to use this manual / How to follow trouble diagnoses / Description

NOTICE:

Trouble diagnoses indicate work procedures required to diagnose problems effectively. Observe the following instructions before diagnosing.

Before performing trouble diagnoses, read the вЂњWork FlowвЂќ in each section.
After repairs, re-check that the problem has been completely eliminated.
Refer to Component Parts and Harness Connector Location for the Systems described in each section for identification/location of components and harness connectors.
When checking circuit continuity, ignition switch should be OFF.
Refer to the Circuit Diagram for quick pinpoint check.
If you need to check circuit continuity between harness connectors in more detail, such as when a sub-harness is used, refer to Wiring Diagram in each individual section and Harness Layout in PG section for identification of harness connectors.
Before checking voltage at connectors, check battery voltage.
After accomplishing the Diagnosis Procedures and Electrical Components Inspection, make sure that all harness connectors are reconnected as they were.

How to follow trouble diagnoses

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How to Follow Test Groups in Trouble Diagnosis

Test group number and test group title Test group number and test group title are shown in the upper portion of each test group. Work and diagnosis procedure Start to diagn ...

Other materials:

Can communication circuit
Diagnosis procedure 1.Connector inspection Turn the ignition switch OFF. Disconnect the battery cable from the negative terminal. Disconnect all the unit connectors on can communication system. Check terminals and connectors for damage, bend and loose connection. Is the inspection resu ...

Dtc/circuit diagnosis
U1000 can comm Description Refer to LAN-7, "CAN COMMUNICATION SYSTEM : System Description". Dtc logic Dtc detection logic Note: U1000 can be set if a module harness was disconnected and reconnected, perhaps during a repair. Confirm that there are actual can diagnostic symptoms and ...

Eps 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 eps control unit for damage, bend and loose connection (unit side and connector side). Is the inspection result norm ...