1990 INFINITI M30 service and repair manual — a detailed, factory-style reference for maintenance, diagnostics, and repair. Use it to confirm correct procedures, specifications, and system coverage before you start work.
Built for technicians and DIY owners, this manual helps you troubleshoot accurately, follow step-by-step repair procedures, and use wiring diagrams and system sections to diagnose problems faster.
What’s included
- Step-by-step repair procedures and service information
- Specifications and reference data (where provided)
- Electrical coverage with wiring diagrams
- Coverage across key systems: engine, transmission, brakes, steering, suspension, HVAC, and more
Trims covered
- Base Coupe 2-Door
Engines covered
- 3.0L 2960CC 181Cu. In. V6 GAS SOHC Naturally Aspirated
Index / Table of contents
- Body
- Brakes
- Chassis Electrical
- Driveline
- Engine Cooling
- Engine Electrical
- Engine Mechanical
- Engine Performance & Emission Controls
- Fuel System
- General Information & Identification
- Heating, Ventilation, & Air Conditioning
- Hybrid & Electric Vehicle Systems
- Steering
- Suspension
- Transmission, Clutch, & Transfer Case
- Wiring Diagrams
THE FRONT SAFETY BELT BUCKLE RELEASE BUTTONS CAN BREAK. THESE RED PLASTIC RELEASE BUTTONS ARE MARKED "PRESS." IF A BUTTON BREAKS, PIECES CAN FALL INTO THE BUCKLE ASSEMBLY CAUSING THE BUCKLE TO OPERATE
THE SAFETY BELTS WOULD NOT PROVIDE ADEQUATE PROTECTION TO AN OCCUPANT IN A VEHICLE CRASH.
OWNERS SHOULD PROMPTLY CHECK THE CONDITION AND OPERATION OF BOTH FRONT SAFETY BELT BUCKLES AND CAREF
THIS IS NOT A SAFETY RECALL CAMPAIGN IN ACCORDANCE WITH FEDERAL REGULATION 573. HOWEVER, IT IS DEEMED A SAFETY IMPROVEMENT CAMPAIGN BY THE AGENCY. THE CAMPAIGN WILL REPLACE THE FUEL INJECTORS AND RE
FUEL LEAKS IN THE ENGINE COULD RESULT IN A FIRE.
NISSAN DEALERS WILL REPLACE THE FUEL INJECTORS AND RELATED HOSES ON THE AFFECTED VEHICLES.
INFINITI: VENT CONTROL VALVE REPLACEMENT. NO APPLIED VEHICLES AFFECTED: ALL MODELS; NO MODEL YEARS LISTED. *PE
INFINITI: SRS PRECAUTIONS DURING SERVICE. INCLUDED IN THE RESTRAINTS SECTION OF THE ELECTRONIC SERVICE MANUAL (ESM) FOR EACH VEHICLE IS INFORMATION NECESSARY TO SERVICE THE SUPPLEMENTAL RESTRAINT SYSTEM (SRS) SAFELY. IMPROPER MAINTENANCE, I
INFINITI: TIRE PRESSURE MONITORING SYSTEM (TPMS) WARNING LIGHT ON/BLINKING. NO MODELS OR MODEL YEARS LISTED. *PE UPDATED ON 08-11-2011. *KB
INFINITI: ELECTRONIC CONTROL UNIT DAMAGE CAN RESULT FROM IMPROPER BATTERY CONNECTION. THE BATTERY IS REQUIRED TO STAY CONNECTED WHEN THE ENGINE IS RUNNING. NO MODEL YEARS LISTED. *PE
1997 QX4 WHEEL BALANCE MACHINE ADAPTER KITS. *TW
AIR BAG HARNESS REPLACEMENT. *TW
ENGINE HARD TO START , HOT OR COLD. *TW
OVERPRESSURE IN THE FUEL INJECTION SYSTEM AND INADEQUATELY INSULATED SPARK PLUG WIRES CAUSED A FIRE.
ENGINE FIRE.
CURRENTLY MY 1990 INFINITI M30 HAS BEEN OFF THE ROAD ALMOST 60 DAYS AWAITING A DOOR LATCH FROM INFINITI. REPEATED ATTEMPTS TO GET INFINITI'S ATTENTION HAVE FAILED. THE DOOR FAILS TO LATCH SECURELY A
BOTH AUTOMATIC TRANSMISSION AND ANTI-THEFT ALARM HAVE FAILED REPEATEDLY DUE TO POOR DESIGN. TRANSMISSION REPLACEMENT REQUIRES TRANSMISSION, TORQUE CONVERTER, AND RADIATOR TO BE REPLACED @ $3500. ALR
BOTH AUTOMATIC TRANSMISSION AND ANTI-THEFT ALARM HAVE FAILED REPEATEDLY DUE TO POOR DESIGN. TRANSMISSION REPLACEMENT REQUIRES TRANSMISSION, TORQUE CONVERTER, AND RADIATOR TO BE REPLACED @ $3500. ALR
Showing the 5 most serious of 12 complaints filed with NHTSA.
