1990 Nissan 240SX Service & Repair Manual

← 1989All 240SX years1991 →

The service and repair manual for the 1990 Nissan 240SX — the 2.4L I4 engine, 3 trims. Matched to this exact model year, so the specifications and sequences are the ones Nissan published for your car, not figures carried over from a neighbouring year.

01 / FitmentWhat this manual covers

Model year1990
Engines
2.4L I4 — 146 cu in, SOHC
TrimsSE Hatchback 2-Door · XE Coupe 2-Door · Base Coupe 2-Door
Federal record1 recall · 51 complaints · 20 technical service bulletins (refreshed 2026-08-21)

02 / InsideSample pages from the 1990 240SX manual

1990 Nissan 240SX service manual page 11990 Nissan 240SX service manual page 21990 Nissan 240SX service manual page 31990 Nissan 240SX service manual page 41990 Nissan 240SX service manual page 51990 Nissan 240SX service manual page 6

03 / ContentsSections in the manual

  • Quick Lookups 68
  • General Information 1,381
  • Accessories & Equipment 153
  • Heating, Ventilation & A/C (HVAC) 170
  • Body & Frame 41
  • Maintenance 54
  • Brakes 128
  • Restraints 35
  • Drivelines & Axles 36
  • Steering 72
  • Electrical 104
  • Suspension 36
  • Engine Mechanical 136
  • Transmission 37
  • Engine Performance 566

04 / Known issuesRecalls on federal record for the 1990 240SX

  1. Seat Belts — front › buckle assembly · 95V103002
    The safety belts would not provide adequate protection to an occupant in a vehicle crash.

Owners have filed 51 complaints and Nissan has issued 20 technical service bulletins for the 1990 240SX. The manual carries the manufacturer's diagnostic and repair procedures behind these systems.

FAQQuestions about the 1990 240SX manual

Is this manual specific to the 1990 240SX?

Yes. It is the OEM manual matched to the 1990 model year, covering the 2.4L I4 across the SE Hatchback 2-Door, XE Coupe 2-Door, Base Coupe 2-Door trims. Specifications and procedure sequences are the ones Nissan published for this year.

What 1990 240SX problems does it help with?

1 recall is on federal record for the 1990 240SX, covering seat belts. The manual carries the manufacturer's diagnostic and repair procedures for those systems; the recall repairs themselves are done free by Nissan dealers.

Does it include 1990 240SX wiring diagrams?

Yes — the complete wiring diagrams for the 1990 build, alongside repair procedures, specifications and diagnostics.

Is it a subscription?

No. $29.99 once and the manual is yours. It is a digital manual — nothing ships; access details arrive by email after checkout and it works on any device.

RelatedOther 240SX years and 1990 Nissan models

1996 240SX · 1995 240SX · 1994 240SX · 1993 240SX · 1992 240SX · 1991 240SX · 1989 240SX · all 10 years

1990 Nissan 200SX · 1990 Nissan 300ZX · 1990 Nissan Axxess · 1990 Nissan D21 · 1990 Nissan Hikari · 1990 Nissan Ichi Van · 1990 Nissan Maxima · 1990 Nissan Micra · 1990 Nissan Pathfinder · 1990 Nissan Pickup · 1990 Nissan Pulsar NX · 1990 Nissan Sentra · every 1990 model