Section 120 (Vacuum Diagrams): Introduction
WARNING: This page does not describe the selected car, but rather 8 other vehicles, including the 2003 Nissan Xterra, 2003 Nissan Sentra, 2003 Nissan Pathfinder, 2003 Nissan Murano, and 2003 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
This article contains schematics of vacuum hose routing. Use these vacuum diagrams during the visual inspection portion of BASIC DIAGNOSTIC PROCEDURES article. This will assist in identifying improperly routed vacuum hoses, which cause driveability and/or computer-indicated malfunctions.
NOTE:
When replacing or repairing vacuum or purge hoses, DO NOT use soapy water or any type of solvent for lubrication.