2003 INFINITI FX35 & FX45

Infiniti FX35 2003 - BUZZERS, RELAYS & TIMERS

Infiniti FX35 2003 BUZZERS, RELAYS & TIMERS LOCATION

Component	Component Location
Accessory Relay	On rear of fuse block (J/B).
Accessory Relay No. 2	In fuse, fusible link & relay box. See Fig. 5 .
Back-Up Lamp Relay	In luggage compartment, above left rear wheelwell. See Fig. 7 .
Blower Relay	On rear of fuse block (J/B).
Cooling Fan Relay No. 1	On intelligent power distribution module (engine room).
Cooling Fan Relay No. 2	On intelligent power distribution module (engine room).
Cooling Fan Relay No. 3	On intelligent power distribution module (engine room).
Daytime Light Relay	In relay box. See Fig. 5 .
ECM Relay	On intelligent power distribution module (engine room).
Front Foglamp Relay	On intelligent power distribution module (engine room).
Fuel Pump Relay	On intelligent power distribution module (engine room).
Headlamp High Relay	On intelligent power distribution module (engine room).
Headlamp Low Relay	On intelligent power distribution module (engine room).
Horn Relay	In fuse, fusible link & relay box. See Fig. 5 .
ICC Brake Hold Relay	In relay box. See Fig. 5 .
Ignition Relay	On intelligent power distribution module (engine room).
Intelligent Key Warning Buzzer (Driver's Side)	In driver's door.
Intelligent Key Warning Buzzer (Passenger's Side)	In passenger's door.
Passenger Side Select Unlock Relay	Under left side of dash.
Rear Window Defogger Relay	In relay box. See Fig. 5 .
Starter Relay	On intelligent power distribution module (engine room).
Throttle Control Motor Relay	On intelligent power distribution module (engine room).

Infiniti FX35 2003 - CIRCUIT PROTECTION DEVICES

Infiniti FX35 2003 CIRCUIT PROTECTION DEVICES LOCATION

Component	Component Location
Fuse Block (J/B)	Behind left kick panel.
Fuse, Fusible Link, & Relay Box	At right rear of engine compartment. See Fig. 4 .
Fusible Link	In fuse, fusible link & relay box.
Fusible Link Holder	At right rear of engine compartment. See Fig. 4 .
Intelligent Power Distribution Module (Engine Room)	At right rear of engine compartment. See Fig. 4 .
Relay Box	At right rear of engine compartment. See Fig. 4 .

Infiniti FX35 2003 - CONTROL UNITS

Infiniti FX35 2003 CONTROL UNITS LOCATION

Component	Component Location
ABS Actuator & Electric Unit (Control Unit)	At left rear of engine compartment. See Fig. 4 .
Air Bag Diagnosis Sensor Unit	Under center console, behind gear selector. See Fig. 6 .
Automatic Drive Positioner Control Unit	Behind center console. See Fig. 6 .
AWD Control Unit	Behind right kick panel. See Fig. 6 .
Back Door Closure Control Unit	In center of rear tailgate, below rear wiper motor. See Fig. 7 .
Body Control Module	Behind left kick panel. See Fig. 6 .
Display Control Unit	Behind right side of dash. See Fig. 6 .
Driver Seat Control Unit	Under driver's seat. See Fig. 6 .
Electric Throttle Control Actuator	On left side of intake manifold. See Fig. 2 .
Engine Control Module	Behind glove box. See Fig. 6 .
Front Left Side Air Bag Module	Under left side of dash.
ICC Unit	Behind glove box. See Fig. 6 .
Intelligent Key Unit	Behind left end of dash. See Fig. 6 .
Low Tire Pressure Warning Control Unit	Behind right side of dash. See Fig. 6 .
NAVI Control Unit	Under right front passenger's seat. See Fig. 6 .
Rear Combination Lamp Control Unit	At left side of luggage compartment. See Fig. 7 .
Rear View Camera Control Unit	Behind center console. See Fig. 6 .
Steering Lock Unit	Behind left side of dash, near steering column. See Fig. 6 .

Infiniti FX35 2003 - MOTORS

Infiniti FX35 2003 MOTORS LOCATION

Component	Component Location
Air Mix Door Motor (Driver Side)	Behind lower left center of dash, on HVAC assembly.
Air Mix Door Motor (Passenger Side)	Behind lower right center of dash, on HVAC assembly.
Back Door Closure Motor	On center of tailgate.
Blower Motor	Behind lower right side of dash.
Cooling Fan Motor No. 1 (3.5L)	At right front of engine compartment. See Fig. 1 .
Cooling Fan Motor No. 2 (3.5L)	At left front of engine compartment. See Fig. 1 .
Cooling Fan Motor (4.5L)	At left front of engine compartment. See Fig. 2 .
Electric Throttle Control Actuator (3.5L)	At left rear of engine. See Fig. 1 .
Electric Throttle Control Actuator (4.5L)	At left rear of engine. See Fig. 2 .
Front & Rear Washer Motor	On washer fluid reservoir.
Front Wiper Motor	On left side of firewall. See Fig. 4 .
Fuel Level Sensor Unit & Fuel Pump	In fuel tank.
Intake Door Motor	Behind right side of dash, on HVAC assembly.
Mode Door Motor	Behind left center of dash, on HVAC assembly.
Power Valve Actuator	On center front of engine. See Fig. 2 .
Rear Wiper Motor	On center of tailgate.
Sun Roof Motor Assembly	On front center of roof.

Infiniti FX35 2003 - SENDING UNITS & SENSORS

Infiniti FX35 2003 SENDING UNITS & SENSORS LOCATION

Component	Component Location
Accelerator Pedal Position Sensor	Above accelerator pedal.
Air Bag Diagnosis Sensor Unit	Below center console, between seats.
Brake Pressure Sensor	At left rear of engine compartment.
Camshaft Position Sensor (PHASE)	On rear of left cylinder head. See Fig. 2 .
Camshaft Position Sensor (PHASE) (Bank 1)	On rear of right cylinder head. See Fig. 1 .
Camshaft Position Sensor (PHASE) (Bank 2)	On rear of left cylinder head. See Fig. 1 .
Crankshaft Position Sensor	On lower left front of cylinder block.
Crash Zone Sensor	Behind front center of grille, near hood latch.
Engine Coolant Temperature Sensor (3.5L)	On right rear of engine, on coolant outlet. See Fig. 1 .
Engine Coolant Temperature Sensor (4.5L)	On rear of engine, on coolant outlet. See Fig. 2 .
Front Wheel Sensor (Left/Right)	On respective front wheel hub assembly.
Fuel Level Sensor Unit & Fuel Pump (Main)	In fuel tank, at rear center of vehicle.
Fuel Level Sensor Unit (Sub)	In fuel tank, at rear center of vehicle.
Heated Oxygen Sensor No. 1 (Bank 1) (3.5L)	On right side of engine, on exhaust manifold.
Heated Oxygen Sensor No. 1 (Bank 1) (4.5L)	On left side of engine, on exhaust manifold.
Heated Oxygen Sensor No. 1 (Bank 2) (3.5L)	On left side of engine, on exhaust manifold.
Heated Oxygen Sensor No. 1 (Bank 2) (4.5L)	On right side of engine, on exhaust manifold.
Heated Oxygen Sensor No. 2 (Bank 1)	On outlet of three way catalyst.
Heated Oxygen Sensor No. 2 (Bank 2)	On outlet of three way catalyst.
ICC Sensor	Behind center of front bumper.
Intake Valve Timing Control Position Sensor (Bank 1)	On left front of engine. See Fig. 2 .
Intake Valve Timing Control Position Sensor (Bank 2)	On right front of engine. See Fig. 2 .
In-Vehicle Sensor	Behind left center of dash.
Knock Sensor (3.5L)	On center of engine. See Fig. 1 .
Knock Sensor (Bank 1) (4.5L)	On lower left side of cylinder block. See Fig. 2 .
Knock Sensor (Bank 2) (4.5L)	On lower right side of cylinder block. See Fig. 2 .
Left Side Air Bag (Satellite) Sensor	At base of left "B" pillar.
Mass Airflow Sensor (3.5L)	At left side of engine compartment, attached to air intake. See Fig. 1 .
Mass Airflow Sensor (W/Intake Air Temperature Sensor) (4.5L)	On left side of engine compartment, attached to air intake. See Fig. 2 .
Optical Sensor	At top left side of dash.
Power Steering Pressure Sensor	On power steering pump. See Fig. 1 .
Pressure Sensor	At left rear of engine compartment.
Rear Wheel Sensor (Left/Right)	On respective rear wheel hub assembly.
Refrigerant Pressure Sensor (3.5L)	At right front of engine compartment, near radiator filler neck. See Fig. 1 .
Refrigerant Pressure Sensor (4.5L)	At right front of engine compartment, near radiator filler neck. See Fig. 2 .
Right Side Air Bag (Satellite) Sensor	At base of right "B" pillar.
Steering Angle Sensor	Below left side of dash, near steering column.
Sunload Sensor	On upper right side of dash, near base of windshield.
Washer Level Sensor	On washer fluid reservoir.
Yaw Rate/Side/Decel "G" Sensor (AWD)	Below center console. See Fig. 6 .
Yaw Rate/Side "G" Sensor (2WD)	Below center console. See Fig. 6 .

Infiniti FX35 2003 - SOLENOIDS & SOLENOID VALVES

Infiniti FX35 2003 SOLENOIDS & SOLENOID VALVES LOCATION

Component	Component Location
Back Door Lock Actuator	At lower center of back door.
EVAP Canister Purge Volume Control Solenoid Valve (3.5L)	On rear of intake manifold. See Fig. 1 .
EVAP Canister Purge Volume Control Solenoid Valve (4.5L)	On rear of intake manifold. See Fig. 2 .
EVAP Canister Vent Control Valve	Below right rear of vehicle, behind bumper.
Fuel Lid Lock Actuator	Behind right rear quarterpanel.
Intake Valve Timing Control Solenoid Valve (Bank 1) (3.5L)	On front of right cylinder head. See Fig. 1 .
Intake Valve Timing Control Solenoid Valve (Bank 1) (4.5L)	On front of left cylinder head. See Fig. 2 .
Intake Valve Timing Control Solenoid Valve (Bank 2) (3.5L)	On front of left cylinder head. See Fig. 1 .
Intake Valve Timing Control Solenoid Valve (Bank 2) (4.5L)	On front of right cylinder head. See Fig. 2 .
VIAS Control Solenoid Valve	On top front of engine. See Fig. 2 .

Infiniti FX35 2003 - SWITCHES

Infiniti FX35 2003 SWITCHES LOCATION

Component	Component Location
ASCD Brake Switch	Above brake pedal, on bracket.
Back Door Switch	At lower center of back door.
Brake Fluid Level Switch	On master cylinder fluid reservoir.
Hood Switch	At front of engine compartment.
ICC Brake Switch	Above brake pedal, on bracket.
Oil Pressure Switch (3.5L)	At front of engine compartment.
Oil Pressure Switch (4.5L)	At left front of engine compartment.
Parking Brake Switch	Behind left side of dash.
Stoplight Switch	Above brake pedal, on bracket.

Infiniti FX35 2003 - MISCELLANEOUS

Infiniti FX35 2003 MISCELLANEOUS LOCATION

Component	Component Location
Antenna Amplifier	Behind right center of dash.
BOSE Speaker Amplifier	At right side of luggage compartment, behind wheelwell. See Fig. 7 .
Circuit Breaker	Behind left side of dash.
Condenser (3)	Behind upper right side of dash, taped to harness.
Data Link Connector	Below left side of dash.
Diode	Behind left side of dash, right of steering column.
Horn (High)	Below right headlight.
Horn (Low)	Below left headlight.
NATS Antenna Amplifier	Behind center of dash. See Fig. 6 .
Unified Meter & A/C Amplifier	Behind center of dash. See Fig. 6 .

Infiniti FX35 2003 - CONNECTORS

Infiniti FX35 2003 CONNECTORS LOCATION

Component	Component Location
B5 (White, 16 Pin)	Behind left kick panel.
B6 (White, 6 Pin)	Behind left kick panel.
B20 (White, 3 Pin)	Behind right kick panel.
B21 (White, 18 Pin)	In left rear door.
B31 (White, 18 Pin)	In right rear door.
B51 (White, 16 Pin)	In top of tailgate.
B52 (White, 6 Pin)	In top of tailgate.
B71 (White, 12 Pin)	Behind right taillight.
B75 (Brown, 2 Pin)	Behind right taillight.
B80 (White, 12 Pin)	Behind left taillight.
B81 (White, 12 Pin)	Behind left taillight.
B83 (White, 12 Pin)	Behind left kick panel.
B101 (White, 3 Pin)	Behind right kick panel.
B191 (White, 16 Pin)	Above headliner, near tailgate.
B203 (White, 12 Pin)	At right rear of luggage compartment, behind wheelwell.
B215 (Brown, 2 Pin)	At right rear of luggage compartment, below taillight.
D51 (White, 18 Pin)	In left "B" pillar.
D71 (White, 18 Pin)	In right "B" pillar.
D101 (White, 16 Pin)	Above center of headliner, near tailgate.
D102 (White, 16 Pin)	In top of tailgate.
E17 (Gray, 6 Pin)	At right rear of engine compartment, near firewall. See Fig. 3 .
E18 (Gray, 9 Pin)	At right rear of engine compartment, near firewall. See Fig. 3 .
E19 (Black, 8 Pin)	At right rear of engine compartment, near firewall. See Fig. 3 .
E25 (Black, 2 Pin)	Behind right side of front bumper, below headlight. See Fig. 3 .
E29 (Black, 8 Pin)	At front of engine compartment, near hood latch assembly. See Fig. 3 .
E30 (Gray, 1 Pin)	At right front of engine compartment. See Fig. 3 .
E55 (Brown, 3 Pin)	At left side of engine compartment. See Fig. 3 .
E101 (Brown, 2 Pin)	At right front of engine compartment, below headlight. See Fig. 3 .
E121 (Dark Green, 8 Pin)	At front of engine compartment, near hood latch assembly. See Fig. 3 .
E141 (Brown, 3 Pin)	At left side of engine compartment. See Fig. 3 .
E205 (White, 16 Pin)	Behind left end of dash.
E206 (White, 6 Pin)	Behind left end of dash.
E212 (Yellow, 4 Pin)	Behind left side of dash, near steering column.
E214 (White, 6 Pin)	Behind left side of dash, right of steering column.
E251 (White, 6 Pin)	Behind left side of dash, right of steering column.
E303 (Gray, 1 Pin)	At right side of engine compartment.
E306 (Gray, 6 Pin)	At right side of engine compartment, near firewall.
F10 (Black, 6 Pin)	At left side of engine compartment.
F20 (Black, 2 Pin)	At right rear of engine compartment.
F21 (Dark Green/Yellow, 6 Pin)	At left rear of engine compartment.
F24 (Black, 2 Pin)	At left rear of engine compartment.
F40 (Black, 4 Pin)	At center of engine compartment.
F41 (Dark Green/Yellow, 6 Pin)	At right center of engine compartment.
F46 (Gray, 6 Pin)	At right rear of engine compartment.
F47 (Gray, 6 Pin)	At right rear of engine compartment.
F48 (Gray, 9 Pin)	In engine compartment, on right side of firewall.
F49 (Black, 8 Pin)	In engine compartment, on right side of firewall.
F50 (Gray, 8 Pin)	At center of engine compartment.
F201 (Green, 6 Pin)	At left rear of engine compartment.
F211 (Blue, 6 Pin)	At right front of engine compartment.
F221 (Green, 6 Pin)	At right center of engine compartment.
F241 (Black, 4 Pin)	At right rear of engine compartment.
F251 (Gray, 8 Pin)	At center of engine compartment.
F252 (Light Blue, 2 Pin)	At right rear of engine compartment.
F261 (Light Blue, 2 Pin)	At left rear of engine compartment.
M31 (White, 10 Pin)	In left "A" pillar.
M42 (Yellow, 4 Pin)	Behind left side of dash.
M83 (White, 4 Pin)	Behind right end of dash.
M93 (White, 12 Pin)	Behind left end of dash.
M151 (White, 4 Pin)	Behind right end of dash.
R1 (White, 10 Pin)	At base of left "A" pillar.
R51 (White, 8 Pin)	Above headliner, forward of sunroof.

Infiniti FX35 2003 - GROUNDS

Infiniti FX35 2003 GROUNDS LOCATION

Component	Component Location
B15	On floor, under driver's seat.
B25	On left "B" pillar.
B35	On right "B" pillar.
B45	At left side of luggage compartment.
B203	On floor, under passenger's seat.
B210	At base of right "C" pillar.
E21	Behind headlamp, on right front inner fender. See Fig. 3 .
E31	At right side of engine compartment, near reservoir tank. See Fig. 3 .
E49	At left side of engine compartment, near strut tower. See Fig. 3 .
E50	At left side of engine compartment, near strut tower. See Fig. 3 .
E51	At left side of engine compartment, near strut tower. See Fig. 3 .
E304	At right side of engine compartment, near reservoir tank.
E314	At right side of engine compartment, near reservoir tank.
E315	On engine, near timing chain case.
F11	At left side of engine compartment, near ignition coil No. 1.
M35	Behind left side of dash, left of steering column.
M45	Behind left side of dash, right of steering column.
M85	Behind right side of dash, above blower motor.
R6	Above headliner, near sunroof motor assembly.