Service and repair manuals for 1 model years of the INFINITI Q40, 2015 to 2015. Each manual is matched to one exact year — the specifications and procedure sequences are the ones INFINITI published for that year's engine and trim, not values carried across the whole production run.
Engines across the range: 3.7L V6 — 226 cu in, DOHC.
Federal safety record, all years: 0 recalls, 10 owner complaints and 37 technical service bulletins are logged for the Q40. Refreshed 2026-08-21.
01 / Model yearsChoose your Q40 year
02 / InsideSample pages
From the 2015 Q40 manual.
03 / ContentsWhat the manual covers
- Quick Lookups 553
- General Information 1,801
- Accessories & Equipment 3,208
- Heating, Ventilation & A/C (HVAC) 297
- Body & Frame 1,620
- Maintenance 103
- Brakes 734
- Restraints 1,025
- Drivelines & Axles 380
- Steering 199
- Electrical 2,089
- Suspension 316
- Engine Mechanical 406
- Transmission 520
- Engine Performance 1,439
- Front Axle Nut (AWD) 125
- Rear Axle Nut 100
- Radiator Cap Pressure 157
04 / Other yearsOther Q40 years
2015 INFINITI Q40 · $49.99 select →
Engines: 3.7L V6 — 226 cu in, DOHC. Trims: Base Sedan 4-Door.
No recalls on federal record for the 2015 Q40. 10 complaints · 37 TSBs.
05 / OwnershipOwn it — don't rent it
| Option | What you pay | After a year |
|---|---|---|
| eManualStore Q40 manual | $49.99 once | Still yours |
| Per-vehicle online subscription | from $29 / year, renewing | Pay again or lose access |
| Library membership services | $33 / month, capped | $396 spent, nothing kept |
| Professional shop databases | $499–$2,388 / year | Renew or lose access |
Competitor figures as published on their sites, August 2026.
FAQQuestions about the Q40 manual
Which Q40 years does this manual cover?
Every year from 2015 to 2015 — 1 separate manuals, one per model year. Pick your year in the selector; the manual you receive is matched to that exact year, engine and trim.
Is this the OEM INFINITI Q40 manual or an aftermarket guide?
The OEM version. It carries the procedures, specifications, torque values and wiring diagrams INFINITI published for the Q40, organized by system — not a condensed aftermarket summary.
Does it include Q40 wiring diagrams?
Yes. Full wiring diagrams are part of every Q40 manual, alongside repair procedures, specifications and diagnostic information.
Why do some Q40 years cost more?
Every Q40 year is $49.99.
Is this a subscription?
No. One payment, and the manual is yours to keep — unlike per-vehicle subscriptions that renew every year.
How do I get the manual after purchase?
It is a digital manual — nothing ships. Access details arrive by email right after checkout, and you can use it on any device.
RelatedSame-era INFINITI manuals
- INFINITI Q50 2014–2024
- INFINITI Q60 2014–2022
- INFINITI Q70 2014–2019
- INFINITI Q70L 2015–2019
- INFINITI QX50 2014–2024
- INFINITI QX60 2014–2024
- INFINITI QX70 2014–2020
- INFINITI QX80 2014–2024
- INFINITI EX35 2008–2012
- INFINITI EX37 2013
- INFINITI FX35 2003–2012
- INFINITI FX37 2013
- INFINITI FX45 2003–2008
- INFINITI FX50 2009–2013
- INFINITI G20 1991–2002
- INFINITI G25 2011–2012
- INFINITI G35 2003–2008
- INFINITI G37 2008–2013
- INFINITI I30 1996–2001
- INFINITI I35 2002–2004
- INFINITI J30 1993–1997
- INFINITI JX35 2013
- INFINITI M30 1990–1992
- INFINITI M35 2006–2010
By year: 2015