1997 INFINITI Q45 Service and Repair Manual

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Covers all 1997 Q45 trims — T Sedan 4-Door, Base Sedan 4-Door ·
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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
NHTSA #02V17100024/06/2002Component: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

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

Consequence

IF THE COMBUSTIBLE GAS EMITTED BY THE MELTING PLASTIC DOES NOT DISPERSE DUE TO AIR FLOW THROUGH THE

Remedy

DEALERS WILL REPLACE THE ALTERNATOR. OWNER NOTIFICATION BEGAN JULY 29, 2002. OWNERS WHO TAKE THEIR

NHTSA #99V12900020/05/1999Component: ELECTRICAL SYSTEM:ALTERNATOR/GENERATOR/REGULATOR

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

Consequence

IF THE COMBUSTIBLE GAS EMITTED BY THE MELTING PLASTIC DOES NOT DISPERSE DUE TO AIR FLOW THROUGH THE

Remedy

DEALERS WILL REPLACE THE ALTERNATOR.

NHTSA #98V32500014/12/1998Component: POWER TRAIN:AUTOMATIC TRANSMISSION

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

Consequence

IF THIS OCCURRED AND THE DRIVER FAILED TO MOVE THE SHIFT LEVER TO 'PARK' OR ENGAGE THE PARKING BRAKE

Remedy

DEALERS WILL REPLACE THE SHIFT LOCK CONTROL UNIT.

TSB #10232645

WHEEL BEARING COLLISION DAMAGE This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #10232646

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.

TSB #10232644

WINDSHIELD CRACKING This bulletin has been amended. See AMENDMENT HISTORY on the last page. Please discard previous versions of this bulletin.

TSB #10190150

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.

TSB #10178191

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

TSB #10051765

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

TSB #10032524

INFINITI: VENT CONTROL VALVE REPLACEMENT. NO APPLIED VEHICLES AFFECTED: ALL MODELS; NO MODEL YEARS LISTED. *PE

TSB #10032305

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.

20160418Component: SERVICE BRAKES

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

20140513Component: AIR BAGS

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

20111111Component: ELECTRICAL SYSTEM

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

20111111Component: ENGINE AND ENGINE COOLING

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

20110508Component: ELECTRICAL SYSTEM

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.

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