Vacuum Routing Diagrams: Nissan Micra 1983-1992

Technical Reference

Member-uploaded diagrams & documents for this generation. AI-classified; community-verified where badged.

Vacuum Routing

• Nissan Evaporative Emission Control System - EVAP Diagram & Operation (EF & EC-33)
  This page is from a Nissan factory service manual section on Exhaust Emission Control, specifically covering the Evaporative Emission Control System. It explains that the system reduces hydrocarbons emitted to the…
• Nissan Throttle Opener Control System (T.O.C.S.) - Description & Operation Chart
  This is page EF & EC-28 from a Nissan service manual covering the Exhaust Emission Control section, specifically the Throttle Opener Control System (T.O.C.S.). The description explains that the throttle opener slightly…
• Nissan Micra EGR System Description & Vacuum Diagram - Carbureted Engine (EF & EC-24)
  This is a page (EF & EC-24) from a factory service manual's Emission Control section, describing the E.G.R. (Exhaust Gas Recirculation) System on a carbureted engine. The text explains that the EGR system recirculates…
• Nissan Air Injection Valve (A.I.V.) & A.B. Valve Description and Inspection
  This is page EF & EC-23 from a factory service manual section titled 'Exhaust Emission Control System: Air Injection Valve (A.I.V.) System.' The left column continues the system description, explaining the A.B…
• Nissan Air Injection Valve (A.I.V.) System Description - EF & EC-22 Manual Page
  This is a scanned page from a factory service manual, section 'EF & EC' (Engine Fuel & Emission Control), page EF & EC-22, describing the Exhaust Emission Control System, specifically the Air Injection Valve (A.I.V.)…
• Nissan Micra Crankcase Emission Control (PCV) System - Description & Inspection
  This is page EF & EC-21 from a factory service manual, covering the Crankcase Emission Control System. The Description section explains how the system returns blow-by gas to both the intake manifold and carburetor air…
• Nissan A.T.C. Air Cleaner Diagram & Operation Table - Vacuum Motor (EF & EC-6)
  This service manual page describes the Automatic Temperature Control (A.T.C.) Air Cleaner system, page EF & EC-6. It includes two labeled diagrams: an exploded view of the air cleaner assembly identifying the P.C.V…
• Nissan Micra Engine & Emission Control Vacuum Diagram - Hose Routing (EF & EC-4)
  This document is a factory service manual page titled 'Engine and Emission Control System Vacuum Diagram,' page EF & EC-4. It shows a schematic vacuum hose routing diagram for a carbureted engine, identifying the…
• Nissan Engine & Emission Control System Diagram - Vacuum Routing (EF & EC-3)
  This document is a single page from a Nissan factory service manual, showing the "Engine and Emission Control System Diagram" (figure SEF323B, page EF & EC-3). It is a schematic side-view illustration of a carbureted…
• Nissan Micra Engine & Emission Control System Description - EF & EC-2 Diagram
  This is page EF & EC-2 of a Nissan factory service manual section titled 'Engine and Emission Control System Description.' The page presents a table listing the vehicle's engine fuel and emission control systems…