1997 INFINITI Q45 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
- T Sedan 4-Door
- Base Sedan 4-Door
Engines covered
- 4.1L 4130CC V8 GAS DOHC 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
ON CERTAIN PASSENGER VEHICLES, ONE OF THE DIODES USED IN THE ALTERNATOR MAY HAVE BEEN DAMAGED WHEN BUILT. THIS CAN EVENTUALLY RESULT IN FAILURE OF THE DIODE AND AN ELECTRICAL SHORT WHICH COULD MELT T
IF THE COMBUSTIBLE GAS EMITTED BY THE MELTING PLASTIC DOES NOT DISPERSE DUE TO AIR FLOW THROUGH THE
DEALERS WILL REPLACE THE ALTERNATOR. OWNER NOTIFICATION BEGAN JULY 29, 2002. OWNERS WHO TAKE THEIR
VEHICLE DESCRIPTION: PASSENGER VEHICLES. ONE OF THE DIODES USED IN THE ALTERNATOR MAY HAVE BEEN DAMAGED WHEN BUILT. THIS CAN EVENTUALLY RESULT IN FAILURE OF THE DIODE AND AN ELECTRICAL SHORT WHICH
IF THE COMBUSTIBLE GAS EMITTED BY THE MELTING PLASTIC DOES NOT DISPERSE DUE TO AIR FLOW THROUGH THE
DEALERS WILL REPLACE THE ALTERNATOR.
VEHICLE DESRIPTION: PASSENGER VEHICLES. THE IGNITION KEY CAN BE REMOVED WHEN THE ENGINE IS TURNED OFF WITHOUT PLACING THE TRANSMISSION SHIFT LEVER IN THE "PARK" POSITION. THIS DOES NOT COMPLY WIT
IF THIS OCCURRED AND THE DRIVER FAILED TO MOVE THE SHIFT LEVER TO 'PARK' OR ENGAGE THE PARKING BRAKE
DEALERS WILL REPLACE THE SHIFT LOCK CONTROL UNIT.
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.
VOLUNTARY SERVICE CAMPAIGN 1997 Q45 INTAKE COLLECTOR GASKET LEAK Service Campaign ID # P7136 is no longer active. Repair orders opened after this bulletins published date are no longer eligible for reimbursement under Campaign ID # P7136. D
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
Showing the 8 most recent of 56 technical service bulletins on file with NHTSA.
TL* THE CONTACT OWNS A 1997 INFINITI Q45. WHILE DRIVING APPROXIMATELY 75 MPH, THE BRAKE PEDAL WAS DEPRESSED AND FAILED TO RESPOND. AN UNKNOWN WARNING LIGHT ILLUMINATED. THE VEHICLE STOPPED AFTER THE V
TL* THE CONTACT OWNS A 1997 INFINITI Q45. THE CONTACT STATED THAT WHILE ATTEMPTING TO START THE VEHICLE, THE FRONT DRIVER AND PASSENGER SIDE AIR BAGS DEPLOYED INADVERTENTLY. THE VEHICLE IMMEDIATELY BE
SOMETIME AFTER I PURCHASING THE ABOVE VEHICLE IN NOVEMBER, 2001, THE ENGINE WOULD FAIL TO START WITHOUT RECHARGING THE BATTERY. AFTER RECHARGING, THE VEHICLE WOULD EXHIBIT NO MALFUNCTION AND OPERATE N
SOMETIME AFTER I PURCHASING THE ABOVE VEHICLE IN NOVEMBER, 2001, THE ENGINE WOULD FAIL TO START WITHOUT RECHARGING THE BATTERY. AFTER RECHARGING, THE VEHICLE WOULD EXHIBIT NO MALFUNCTION AND OPERATE N
THE CAR CAN REFUSE TO START RIGHT AFTER IT HAS BEEN DRIVEN AND SHUT OFF OR AFTER IT HAS BEEN PARKED FOR A WHILE. IT HAS BEEN HAPPENING ALOT IN THE LAST THREE MONTHS. WE HAVE HAD TO REPLACE THE ALTERN
Showing the 5 most serious of 13 complaints filed with NHTSA.
