1991 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 Convertible 2-Door
- 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.
WHEEL BEARING COLLISION DAMAGE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
REMOVING FOREIGN MATERIAL FROM THE WINDOW GLASS This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
INFINITI; FRONT SONAR PARKING SENSOR SERVICE INFORMATION This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.
INFINITI: LOCK/UNLOCK REQUEST BUTTON ON OUTSIDE DOOR HANDLE OUTSIDE DOOR HANDLE DOES NOT RESPOND. LOCK/UNLOCK REQUEST BUTTON LOCATED ON OUTSIDE DOOR HANDLES OF VEHICLES CAN BE DISABLED (OR ENABLED) THROUGH EITHER THE "COMFORT & CONV" SETTIN
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
Showing the 8 most recent of 12 technical service bulletins on file with NHTSA.
CONSUMER STATES WHILE SHE WAS AT THE POST OFFICE DEPOSTING A LETTER , SHE GOT OUT OF THE AUTOMOBILE AND WHEN SHE GOT BACK INTO THE AUTO SHE SMELLED SMOKED. AFTER THAT SHE BEGUN TO LOOK AROUND AND ACT
ELECTRICAL PROBLEM. MR *TC
MR
EXHAUST MANIFOLD BOLTS BROKE, ALLOWING EXHAUST GAS TO LEAK.
Showing the 4 most serious of 8 complaints filed with NHTSA.
