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Infiniti Q45 CAR/TRUCK REPAIR PROCEDURES AND DIAGRAMS - WHAT Infiniti REPAIR SHOPS DON'T WANT YOU TO KNOW
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Automotix DIY provides automotive consumers and do it yourselfers; the most comprehensive repair information about Infiniti Q45 car and truck
repair procedures including Infiniti engine diagrams, wiring diagrams, repair work estimating measures, technical service bulletins, auto body work
guidance, starter & alternator replacement procedures, serpentine belt replacement procedures, radiator & hose replacement procedures, tune-up &
drivability specifications, quick lube illustrations, preventive maintenance guide, engine light reset instructions, parts removal and install
procedures, fuel filter replacement directions, component location diagrams, air filter locations & replacement instructions, a/c
system specifications, and general auto service procedures. You don't have to be a car mechanic or technician to know how to fix
your Infiniti Q45 automobile. Try the Automotix DIY solution today!
A/C & HEATER SERVICE PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Air Conditioner and Heater Service Includes module configuration procedures, general service, maintenance, automatic temperature control, compressor services, electric cooling fans, vacuum diagrams, specifications, and manual air conditioning and heater diagnostics and replacement procedures for domestic and imported Infiniti Q45 cars and light trucks from 1990+
Import Compressor Service -> Zexel Compressor -> Precautions -> Product Compatibility
Vehicle: 1996 Infiniti Q45 4.5 V8 GAS
Product Compatibility
Before replenishing refrigerant or refrigerant oil, ...
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BRAKE SERVICE PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Includes anti-lock brakes, disc, drum, power and hydraulic brake services diagnostics and procedures for domestic and imported Infiniti Q45 cars and light trucks from 1990+.
Anti-lock Brakes -> Diagnosis & Testing -> 1997 -> 1997-2001 -> 1997-98 -> 1998-2000 -> 1998-2001 -> 1999 -> 1999-2001 -> 2000-01 -> 2001 -> 2002 -> Accessing Diagnostic Trouble Codes -> Clearing Diagnostic Trouble Codes -> Component Testing -> Diagnostic Tests -> Diagnostic Trouble Code Interpretation -> G20 -> I30 -> I35 -> J30 -> Less Scan Tool -> Preliminary Check -> Q45 -> Symptom Based Tests -> Wiring Diagram -> With Scan Tool -> With TCS -> With VDC
Vehicle: 2001 Infiniti Q45 4.1 V8 GAS
Accessing Diagnostic Trouble Codes
With Scan Tool
Turn ignition switch to Off position.
Connect CONSULT-II, or suitably programmed scan tool, to Data Link Connector (DLC).
Start engine.
Drive vehicle at more than 19 mph for at least one minute.
Stop vehicle with engine running and follow tool manufacturer's instructions.
Less Scan Tool
Drive vehicle at more than 19 mph for at least one minute.
Turn ignition switch to Off position.
On J30, 1997-99 I30, Q45 and 1999 G20 models, ground Data Link Connector (DLC) terminal No. 4 using suitable harness.
On 2000-02 G20 and 2000 Q45 models, gro...
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FUEL FILTER REPLACEMENT PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Fuel filter replacement procedures with corresponding images for most domestic and imported Infiniti Q45 cars and light trucks sold in the U.S. for 1980+.
Infiniti -> Fuel Filter Replacement -> All Models -> Fuel System Pressure Relief -> Removal & Installation
Vehicle: 1994 Infiniti Q45 4.5 V8 GAS
Do not smoke or allow an open flame of any type when working on or near any fuel system related components. The highly flammable vapor mixtures may ignite, resulting in serious personal injury.
Prior to disconnecting fuel lines, the fuel system pressure must be relieved to prevent accidental spray of fuel.
After the battery has been disconnected and reconnected, some abnormal driveabilty symptoms may occur. The vehicle may need to be driven 10...
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DRIVELINE, U-JOINT & CV AXLES REPLACEMENT PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Includes CV axle, universal joint, and driveline replacement, for domestic and imported Infiniti Q45 cars and light trucks from 1990+.
DRIVESHAFT, Replace -> Front
Vehicle: 2005 Infiniti Q45 4.5 V8 GAS
Front
- Place vehicle in neutral and release parking brake.
- Raise vehicle off ground and support it with safety stands in proper locations.
- Remove exhaust front tube and center muffler.
- Remove floor reinforcement.
- Loosen center bearing bracket nuts. Do not remove center bearing bracket nuts.
- Mark companion flange on front drive. Its recommended to use paint for refere...
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TIRE PRESSURE MONITORING SYSTEM PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Description, component locations, reset procedures, relearn procedures, diagnosis and testing, wiring diagrams, component replacement, and identification of vehicles equipped and not equipped with tire pressure monitoring system for most domestic and imported Infiniti Q45 cars and light trucks sold in the U.S. from mid 1990's+.
Wiring Diagrams -> Wire Color Code Identification
Vehicle: 2006 Infiniti Q45 4.5 V8 GAS
Refer to Fig. for system wi...
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STARTER & ALTERNATOR REPLACEMENT PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Includes starter and alternator replacement procedures for domestic and imported Infiniti Q45 cars and light trucks from 1990+.
Alternator, Replace
Vehicle: 2005 Infiniti Q45 4.5 V8 GAS
- Disconnect battery ground cable.
- Remove battery.
- Remove air intake duct.
- Remove upper radiator hose.
- Remove fan drive.
- Remove upper and lower drive belts.
- Remove alternator and stay mounting bolts.
- Remove battery ground cable mounting bolt.
- Remove alternator bracket mounting bolts.
- Disconnect alter...
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CABIN AIR FILTER LOCATIONS & REPLACEMENT PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Cabin air filter locations and replacement procedures with corresponding images for most domestic and imported Infiniti Q45 cars and light trucks sold in the U.S. as equipped to the current model year.
Cabin Air Filter Service -> Infiniti -> 1996-2001 Q45
Vehicle: 2000 Infiniti Q45 4.1 V8 GAS
Under normal operating conditions the cabin air filter should be replaced every 12 months or 15,000 miles. In dusty areas change the cabin air filter more often.
- Remove the passenger side instrument panel under cover.
- Remove the glove compartment.
- Remove the instrument reinforcement from instrument panel.
- Remove the cabin air filter cover retainer clip, then the cover, Fig. .
- Remove the lower cabin air filter element, then the upper el...
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MAINTENANCE LAMP RESET PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Maintenance lamp reset procedures with corresponding images for most domestic and imported Infiniti Q45 cars and light trucks sold in the U.S. from 1990+.
Infiniti -> Tire Pressure Monitoring System (TPMS) Warning Indicator -> 2001-06 Q45 -> Activation -> ID Registration -> Less Activation Tool -> Relearn -> Reset -> With Activation Tool
Vehicle: 2002 Infiniti Q45 4.5 V8 GAS
Reset
The Low Tire Pressure Warning lamp will illuminate for approximately one second as a bulb check when the ignition switch is placed in the on position. This system uses radio frequency pressure sensors which monitor pressure in all 4 tires. When operating the vehicle at a speed above 20 mph the Low Tire Pressure Warning Lamp will illuminate when low tire pressure has been detected. Adjusting tires to correct pressure will turn lamp off.
Relearn
Activation
The activation procedure must be performed after replacing or rotating tire and wheels, replacing tire pressure sensor or BCM.
- Wi...
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RADIATOR & HOSE REPLACEMENT PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Includes radiator, cooling and heater hose replacement procedures for domestic and imported Infiniti Q45 cars and light trucks from 1990+
Heater Hose, Replace -> Bypass -> Inlet -> Outlet
Vehicle: 2001 Infiniti Q45 4.1 V8 GAS
Inlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp at heater core.
- Remove hose from heater core.
- Reposition hose clamp at heater pipe.
- Remove hose from heater pipe.
- Remove hose from vehicle.
- Reverse procedure to install.
Outlet
- Disconnect battery ground cable.
- Drain cooling system into a suitable container by loosening drain plug of radiator.
- Reposition hose clamp...
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SERPENTINE BELT SERVICE PROCEDURES FOR Infiniti Q45 AUTOMOBILES
Serpentine belt replacement procedures with corresponding images for most domestic and imported Infiniti Q45 cars and light trucks sold in the U.S. from 1990+.
Serpentine Drive Belt, Replace
Vehicle: 1991 Infiniti Q45 4.5 V8 GAS
Avoid placing hand in a location where pinching may occur if holding tool accidentally comes off. Do not loosen hexagonal part in center of drive belt auto tensioner pulley (Do not turn it clockwise). If turned clockwise, complete drive be...
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COMPONENT LOCATION DIAGRAMS FOR Infiniti Q45 AUTOMOBILES
Component location diagrams for most Infiniti Q45 cars and light trucks sold in the U.S. from 1990+.
 Electrical Component Locations (Luggage Compartment) Diagram for 1994 Infiniti Q45 4.5 V8 GASComponents on diagram: |
 Front Suspension System Diagram for 2001 Infiniti Q45 4.1 V8 GASComponents on diagram: |
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WIRING DIAGRAMS FOR Infiniti Q45 AUTOMOBILES
OEM drawn wiring diagrams for most Infiniti Q45 cars and light trucks sold in the U.S.
 1990 Infiniti Q45 4.5 V8 GAS Wiring DiagramComponents on diagram: |
 1994 Infiniti Q45 4.5 V8 GAS Wiring DiagramComponents on diagram: |
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TECHNICAL SERVICE BULLETINS FOR Infiniti Q45 AUTOMOBILES
OEM TSB listings for most Infiniti Q45 cars and light trucks sold in the U.S. from 1985+.
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Document: WINDSHIELD WASHER NOZZLE SPRAY PATTERN ADJUSTMENT Vehicle: 2000 Infiniti Q45 4.1 V8 GAS Auto Systems: |
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Document: A/C LUBRICANT/OIL - SPECS Vehicle: 1992 Infiniti Q45 4.5 V8 GAS Auto Systems: |
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COMPONENT/PARTS SPECIFICATIONS FOR Infiniti Q45 AUTOMOBILES
BRAKE SPECIFICATIONS: Brake drum, rotor, caliper, and related specifications for most Infiniti Q45 cars and light trucks sold in the U.S. and Canada from 1970+.
- Brake caliper mounting bolt torque
- Brake drum runout, machining, & discard specs
- Minimum brake lining thickness.
- Brake rotor runout, parallelism, machining, discard, & finish specs
A/C SYSTEM SPECIFICATIONS: Air conditioning refrigerant capacity and type as well as lubricant capacity for most Infiniti Q45 cars and light trucks sold in the U.S. and Canada from 1980+.
- Refrigerant capacity & type, compressor oil viscosity, total system oil capacity & compressor clutch gap
COOLING SYSTEM BLEED: Cooling system bleeder valve identification, bleeder type and bleed procedures for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1986+.
PREVENTIVE MAINTENANCE: Preventive maintenance recommendations and required services for most domestic and imported cars and light trucks sold in the U.S. and Canada from 1980+. Includes severe and routine service schedules
QUICK-LUBE and ILLUSTRATIONS: Fluid recommendations, capacities, drain plug torques, tire data, and severe service recommended preventive maintenance schedules. Information covers most Infiniti Q45 cars and light trucks sold in the U.S. and Canada from 1980+. Engine and chassis service images.
- Automatic transmission/transaxles capacities, lubricant recommendations
- Differential/final drive capacities, lube recommendations, grades, & viscosities
- Final drive fill & drain plug torques
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Manual transmission/transaxle capacities, lube recommendations, grades, & viscosities
- Number of lubrication fittings & plugs
- Power steering, brake, & clutch fluid recommendations
- Engine oil capacities, API grade recommendations, SAE viscosity recommendations, drain plug torque
- Severe service maintenance & interval recommendations
- Tire sizes, wheel nut/bolt torque, pressures & rim sizes
- Transfer case capacities, lube recommendations, grades, & viscosities
TUNE-UP & DRIVEABILITY SPECIFICATIONS: Most tune-up specifications for most Infiniti Q45 cars and light trucks sold in the U.S. and Canada from 1980+
- Airflow sensor electrical specifications
- Tensioning specifications for systems with automatic tensioners
- Barometric pressure sensor specs
- Battery group number and cranking performance
- Crankshaft & camshaft position sensor resistance
- Engine compression pressures
- Coolant temperature sensor specs
- Computer advance.
- Diesel fuel temperature sensor resistance.
- Distributor advance specifications
- Ignition pickup coil resistance
- Exhaust gas recirculation temperature sensor resistance
- Engine fastener torque values
- Firing order diagrams
- Fuel system pressures
- Generator (alternator) specs
- Intake air temperature sensor specs
- Ignition coil specifications
- Fuel injector resistance
- Engine idle speeds
- Knock sensor resistance
- Manifold absolute pressure sensor specs
- Mixture control solenoid resistance
- Voltage regulator specs
- Spark plug applications & gaps
- Starter motor electrical specs.
- Tensioning specifications for systems without automatic tensioners
- Throttle body temperature sensor resistance
- Ignition timing in degrees at rpm
- Transmission oil temperature sensor resistance
- Throttle position sensor specs
- Vacuum sensor valve specs
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