Description
Factory Infiniti Q45 Workshop Manual (2002–2006)
This factory-level repair manual delivers complete service and diagnostic coverage for the Infiniti Q45 F50 — Infiniti’s flagship full-size luxury sedan sold in the US market from 2002 through 2006. Whether you’re chasing an electrical fault or overhauling major mechanical systems, every torque spec and wiring schematic is here.
Powertrain & Drive Coverage
| Component | Variants Covered |
|---|---|
| Petrol | 4.5L VK45DE DOHC V8 (340 hp, 333 lb-ft) |
| Diesel | N/A |
| Transmissions | 5-speed automatic with manual shift mode |
| Drive | RWD (LHD and RHD) |
| Model Years | 2002, 2003, 2004, 2005, 2006 |
| Badge Twins | Nissan Cima (F50, Japan market) |
Common Q45 Repairs Covered
| System | Procedures |
|---|---|
| VK45DE Variable Valve Timing | CVTCS solenoid diagnosis, timing chain inspection, and replacement procedures |
| Air Suspension | Active suspension compressor replacement, height sensor calibration, and leak diagnosis |
| Brake System | Front and rear brake rotor/pad replacement, ABS module diagnostics, and brake booster service |
| Electrical / Body Control | Power window regulator replacement, BCM fault diagnosis, and full wiring schematics with connector pinouts |
Format & Delivery
PDF. Instant download; lifetime re-downloads.
Frequently Asked Questions
Is the VK45DE timing chain procedure included?
Yes. The manual covers the complete VK45DE engine in detail, including CVTCS variable valve timing solenoid testing, timing chain guide inspection, and full chain replacement procedures with all required torque specifications.
Does this cover the F50 chassis shared with the Nissan Cima?
Yes. The Q45’s third generation used the F50 platform, which Nissan also sold domestically in Japan as the Cima. This manual is focused on the Infiniti Q45 specification, covering both left-hand and right-hand drive configurations built on that chassis.
Are the active suspension and HVAC systems documented?
Both systems are fully covered. The manual includes active suspension compressor and height sensor procedures, along with complete HVAC diagnostics, refrigerant system service, and blower motor replacement — critical for maintaining Q45 comfort systems.
What format is the manual?
The manual is a searchable PDF file, downloadable immediately after purchase. It is compatible with any device running a standard PDF reader — Windows, Mac, Linux, iOS, or Android — and individual pages can be printed for use in the shop.
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