ENGINE PERFORMANCE – Infiniti QX4 1998 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.3L

3.3L, Engine Performance Wiring Diagrams (1 of 3) for Infiniti QX4 1998

List of elements for 3.3L, Engine Performance Wiring Diagrams (1 of 3) for Infiniti QX4 1998:

• (13-17 not used)
• (left rear of cargo area)
• Absolute pressure sensor (on left front fender well)
• Acc
• Air conditioning system
• Closed
• Crankshaft position sensor (on transmission housing, facing flywheel gear teeth)
• Eccs control module (ecm) (behind center of dash)
• Eccs relay (in relay box 2)
• Engine coolant temperature sensor (top front of eng)
• Evap canister purge volume control solenoid valve (on left rear of eng)
• Evap control system pressure sensor (near fuel tank)
• Fuse 7.5a
• Fuse 10a
• Fuse 7.5a
• Fuse block (j/b)
• Fusible link & fuse box
• G115 (rear of eng)
• G404
• G404 (left rear of cargo area)
• Hot at all times
• Hot in start
• Ignition switch
• Inhibitor switch (on right side of transmission)
• Instrument cluster system
• J/c (behind center of dash)
• Mass air flow sensor (on air intake assembly)
• Nca
• Off
• Open wide
• Pnk
• R n
• Start
• Tank fuel temperature sensor (in fuel tank)
• Throttle position sensor (on throttle body)
• Trans- mission system
• Trans- missions system
• Transmissions system

3.3L, Engine Performance Wiring Diagrams (2 of 3) for Infiniti QX4 1998

List of elements for 3.3L, Engine Performance Wiring Diagrams (2 of 3) for Infiniti QX4 1998:

• Camshaft position sensor
• Condenser
• Distributor
• Electronic speedometer
• Fuel injectors
• G115 (rear of eng)
• G120 (right side of eng)
• Ignition coil
• Instrument cluster
• Left front heated oxygen sensor (on left exhaust manifold)
• Left rear heated oxygen sensor (behind left catalytic converter, on front tube)
• Malfunction indicator
• Nca
• Power steering oil pressure switch (lower right front of eng compt)
• Power transistor
• Resistor (on top of eng, near distributor)
• Right front heated oxygen sensor (on right exhaust manifold)
• Right rear heated oxygen sensor (behind right catalytic converter, on front tube)
• Vehicle speed sensor (on left side of trans- mission)

3.3L, Engine Performance Wiring Diagrams (3 of 3) for Infiniti QX4 1998

List of elements for 3.3L, Engine Performance Wiring Diagrams (3 of 3) for Infiniti QX4 1998:

• 10u
• 17u
• 26u
• 31u
• Data link connector (consult) (on lower dash panel, left of steering column)
• Data link connector (gst) (on lower left dash panel)
• Eccs control module (ecm) (behind center of dash)
• Egr temper- ature sensor (on left rear of eng)
• Egrc solenoid valve (on left front of eng)
• Evap canister vent control valve (left rear of vehicle, near fuel tank)
• Fuel pump (in fuel tank)
• Fuel pump relay (in relay box no2)
• Fuse 10a
• Fuse 15a
• Fuse block (j/b)
• G115 (rear of eng)
• G404 (left rear of cargo area)
• Hot in on or start
• Iacv-acc valve (on left rear of eng)
• Intake air temperature sensor (left front of engine compt)
• Knock sensor (on top rear of eng)
• Map/baro switch solenoid valve (on left front fender well, near air cleaner box)
• Nca
• Vacuum cut valve bypass valve (lower left front of eng compt)