April 5, 2026: LEMON Manuals is launched! Read the announcement.

Vacuum Diagrams: Introduction

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: Do not use soapy water or any type of solvent while installing vacuum or purge hoses.

Fig 1: Engine Control System Vacuum Hose Drawing (FX35)

G00258224

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 2: Engine Control System - System Diagram (FX35)

G00258225

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 3: Engine Control System Vacuum Hose Drawing (FX45)

G00258226

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 4: Engine Control System - System Diagram (FX45)

G00258227

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 5: Engine Control System Vacuum Hose Drawing (G35)

G00258228

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 6: Engine Control System - System Diagram (G35)

G00258229

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 7: Engine Control System Vacuum Hose Drawing (I35)

G00258230

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 8: Engine Control System - System Diagram (I35)

G00258231

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 9: Engine Control System Vacuum Hose Drawing (M45)

G00258232

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 10: Engine Control System - System Diagram (M45)

G00258233

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 11: Engine Control System Vacuum Hose Drawing (QX4)

G00258236

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 12: Engine Control System - System Diagram (QX4)

G00258237

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 13: Engine Control System Vacuum Hose Drawing (Q45)

G00258234

Courtesy of NISSAN MOTOR CO., U.S.A.

Fig 14: Engine Control System - System Diagram (Q45)

G00258235

Courtesy of NISSAN MOTOR CO., U.S.A.