Infiniti M35, M45, M Series Workshop Manuals DTC
Infiniti M45 (Y34), includes detailed instructions and reference information on diagnostics and troubleshooting for the Infiniti M35 models. The manual covers error codes (DTC), helps identify problems in the engine, transmission, suspension, electrical systems and other components. Includes diagrams, diagnostic tables, and recommendations for replacement and repair of parts, making it a useful tool for maintaining and repairing M-series vehicles.
Engine: VK45DE
Infiniti M45 (Y34) 2003-2004 VK45DE
| M45 (Y34) 2003-2004 Front Axle | Download |
| M45 (Y34) 2003-2004 Fuel System VK45DE | Download |
| M45 (Y34) 2003-2004 Front Suspension | Download |
| M45 (Y34) 2003-2004 Glass and Window System | Download |
| M45 (Y34) 2003-2004 Instrument Panel | Download |
| M45 (Y34) 2003-2004 LAN System | Download |
| M45 (Y34) 2003-2004 Lighting System | Download |
| M45 (Y34) 2003-2004 Engine Lubrication System VK45DE | Download |
| M45 (Y34) 2003-2004 Maintenance | Download |
| M45 (Y34) 2003-2004 Parking Brake System | Download |
| M45 (Y34) 2003-2004 Power Supply, Ground and Circuit Elements | Download |
| M45 (Y34) 2003-2004 Propeller Shaft | Download |
| M45 (Y34) 2003-2004 Power Steering System | Download |
| M45 (Y34) 2003-2004 Rear Axle | Download |
| M45 (Y34) 2003-2004 Roof | Download |
| M45 (Y34) 2003-2004 Rear Final Drive | Download |
| M45 (Y34) 2003-2004 Rear Suspension | Download |
| M45 (Y34) 2003-2004 Seat Belt | Download |
| M45 (Y34) 2003-2004 Starting and Charging System | Download |
| M45 (Y34) 2003-2004 Seat | Download |
| M45 (Y34) 2003-2004 SRS Airbag | Download |
| M45 (Y34) 2003-2004 Steering Control System | Download |
| M45 (Y34) 2003-2004 Road Wheels and Tires | Download |
| M45 (Y34) 2003-2004 Wiper and Washer | Download |
Infiniti M45 (Y34) Owner Complaints
For the Infiniti M45 (Y34), produced from 2003 to 2004, owners most often complained about the following problems:
Cooling system problems
Engine overheating due to faulty water pump, radiator and clogged cooling passages.
Worn suspension components
Premature wear of shock absorbers and stabilizer struts, which resulted in reduced comfort and control at high speeds.
Wiring and sensor faults
Frequent sensor failures (e.g. oxygen and mass air flow), which affected engine operation and caused errors on the instrument cluster.
Exhaust system corrosion
Over time, rust and leaks developed on the exhaust system, especially in humid climates.
Brake system
Brake discs and pads wore out faster than usual, requiring frequent replacement and maintenance to maintain safety.
These problems were often noted by owners, especially on high-mileage models. Regular maintenance and timely diagnostics helped prevent more serious consequences.