Nissan Murano Z51. Manual - part 802

GI-6

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HOW TO FOLLOW TROUBLE DIAGNOSES

HOW TO FOLLOW TROUBLE DIAGNOSES

Description

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NOTICE:
Trouble diagnoses indicate work procedures required to diagnose problems effectively. Observe the following
instructions before diagnosing.
• Before performing trouble diagnoses, read the “Work Flow” 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-har-
ness is used, refer to Wiring Diagram in each individual section and Harness Layout in PG section for identi-
fication of harness connectors.

• Before checking voltage at connectors, check battery voltage.
• After accomplishing the Diagnosis Procedures and Electrical Components Inspection, check that all harness

connectors are reconnected as they were.

How to Follow Test Groups in Trouble Diagnosis

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1.

Test group number and test group title
• Test group number and test group title are shown in the upper portion of each test group.

2.

Work and diagnosis procedure
• Start to diagnose a problem using procedures indicated in enclosed test groups.

3.

Questions and results
• Questions and required results are indicated in test group.

4.

Action
• Next action for each test group is indicated based on result of each question.

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HOW TO FOLLOW TROUBLE DIAGNOSES

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Key to Symbols Signifying Measurements or Procedures

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GI-8

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HOW TO FOLLOW TROUBLE DIAGNOSES

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HOW TO READ WIRING DIAGRAMS

GI-9

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HOW TO READ WIRING DIAGRAMS

Connector Symbols

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Most of connector symbols in wiring diagrams are shown from the terminal side.
• Connector symbols shown from the terminal side are enclosed by

a single line and followed by the direction mark.

• Connector symbols shown from the harness side are enclosed by

a double line and followed by the direction mark.

• Certain systems and components, especially those related to

OBD, may use a new style slide-locking type harness connector.
For description and how to disconnect, refer to PG section,
“Description”, “HARNESS CONNECTOR”.

• Male and female terminals

Connector guides for male terminals are shown in black and
female terminals in white in wiring diagrams.

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