ENGINE PERFORMANCE – Infiniti Q45 t 1997 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.1L

4.1L, Engine Performance Wiring Diagrams (1 of 3) for Infiniti Q45 t 1997

List of elements for 4.1L, Engine Performance Wiring Diagrams (1 of 3) for Infiniti Q45 t 1997:

• tac control module (behind right side of dash, above kick panel)
• (behind upper right side of dash, taped to harness)
• (front of left front fender)
• (front of right front fender)
• (top left
• A/c system
• Acc
• Condenser (taped to harness, above left rear wheel well)
• Condenser (taped to harness, on right side of eng)
• Cooling fans system
• Dropping resistor (right side of luggage compartment)
• Eccs relay (right kick panel)
• Engine control module (ecm) (behind right kick panel)
• F75
• Front of eng)
• Fuel pump (in fuel tank)
• Fuel pump control module (left side of luggage compatment)
• Fuel pump relay (right kick panel area)
• Fuse 15a
• Fuse 7.5a
• Fuse block
• Fuse block (j/b)
• G100
• G101
• G110
• G309 (left front door sill)
• G316 (right front door sill)
• Headlights system
• Hot at all times
• Hot in start
• Hot in start or on
• Iacv-aac valve (left side of of eng, near intake manifold)
• Iacv-ficd solenoid valve (left side of of eng compt)
• Ignition switch
• Instrument cluster system
• J/c 6
• Left intake left intake valve timing valve timing control position control position sensor sensor (in front of left (in front of left cylinder head) cylinder head)
• Nca
• Nca nca
• Off
• Park/ neutral position relay (in fuse, fusible link and relay box)
• Pnk
• Power steering power steering oil pressure oil pressure switch switch (on power (on power steering high steering high pressure line) pressure line)
• Red
• Right intake right intake valve timing valve timing control position control position sensor sensor (in front of right cylinder head)
• Secondary throttle position sensor (on throttle body)
• Start

4.1L, Engine Performance Wiring Diagrams (2 of 3) for Infiniti Q45 t 1997

List of elements for 4.1L, Engine Performance Wiring Diagrams (2 of 3) for Infiniti Q45 t 1997:

• 12g
• 13h
• A/t control unit (brhind left kick panel)
• Anti-lock brakes system
• Camshaft position sensor (in distributor assembly)
• Crankshaft position sensor (right side of transmission bellhousing)
• Egr temperature sensor (in base of egr valve)
• Egr valve and evap canister purge control solenoid valve (top rear of eng)
• Engine coolant temperature sensor (on top right side of eng)
• Fuse 10a
• Fuse 7.5a
• Fuse block (j/b)
• Hot in on or start
• J/c 6 (behind upper right side of dash, taped to harness)
• Left front heated oxygen sensor (on left exhaust manifold)
• Left rear heated oxygen sensor (underside of vehicle, rear of catalytic converter)
• Mass air flow sensor (left side of engine compt)
• Nca
• Pnk
• Red
• Right front heated oxygen sensor (on right exhaust manifold)
• Right rear heated oxygen sensor (underside of vehicle, rear of catalytic converter)
• Throttle position sensor (on side of throttle body)
• Throttle position switch (on top right side of eng)

4.1L, Engine Performance Wiring Diagrams (3 of 3) for Infiniti Q45 t 1997

List of elements for 4.1L, Engine Performance Wiring Diagrams (3 of 3) for Infiniti Q45 t 1997:

• (behind upper right side of dash, taped to harness)
• (front of left front fender)
• (under left side of dash) data link connector (for consult)
• (under left side of dash) data link connector (for gst)
• Anti- theft system
• Cooling fans system
• Defogger
• Engine control module (ecm) (behind right kick panel)
• Fuel injectors
• Fuse 15a
• Fuse 7.5a
• Fuse block
• Fuse, fusible link & relay box
• G100
• G110 (top left front of eng)
• Hot at all times
• Hot in on or start
• Ignition coil #1
• Ignition coil #2
• Ignition coil #3
• Ignition coil #4
• Ignition coil #5
• Ignition coil #6
• Ignition coil #7
• Ignition coil #8
• Instrument cluster
• Intake air temperature sensor (left front of eng compt)
• J/c 2 (near fuse box)
• J/c 6
• J/c 6 (behind upper right side of dash, taped to harn)
• J/c 8 (behind left kick panel)
• Left intake valve timing control solenoid valve (left rear of eng compt)
• Left knock sensor (below left side of intake manifold)
• Malfunction indicator lamp
• Pnk
• Right intake valve timing control solenoid valve (left rear of eng compt)
• Right knock sensor (below right side of intake manifold)
• Speedo- meter
• System
• Vehicle speed sensor (on trans- mission) rear extension)