ENGINE PERFORMANCE – Infiniti Q45 a 1994 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.5L

4.5L, Engine Performance Wiring Diagrams (1 of 2) for Infiniti Q45 a 1994

List of elements for 4.5L, Engine Performance Wiring Diagrams (1 of 2) for Infiniti Q45 a 1994:

• (attached to top cylinder block)
• (top front of eng)
• 10a
• 25a
• Acc
• Cam- shaft position sensor (left front of eng)
• Canister control solenoid valve (left front of eng)
• Check connector
• Cooling fans system
• Data link connector (under left side of i/p)
• Ecm relay (in left kick panel)
• Egrc solenoid valve (left front of eng)
• Engine control module (in right kick panel)
• Engine temperature sensor (left rear of eng)
• Fuse
• Fuse box (i/p)
• Fusible link & fuse box (underhood)
• G110 (left front of eng)
• G200 (left kick panel)
• Hot at all times
• Hot in start or on
• Iacv-aac valve (top rear of eng)
• Ignition switch
• Instrument cluster system (tach)
• J/c f
• Left heated oxygen sensor (on left exhaust manifold)
• Left knock sensor
• Left power transistor unit (top left of eng)
• Mass air flow sensor (left front of eng)
• Nca
• Off
• Power steering/ oil pressure switch
• Red
• Right heated oxygen sensor (on right exhaust manifold)
• Right knock sensor
• Smj
• Start
• Sub- camshaft position sensor (left front of eng)
• Vtc solenoid valve (left)
• Vtc solenoid valve (right)
• W/ tcs only

4.5L, Engine Performance Wiring Diagrams (2 of 2) for Infiniti Q45 a 1994

List of elements for 4.5L, Engine Performance Wiring Diagrams (2 of 2) for Infiniti Q45 a 1994:

• (left rear of eng)
• 15a
• 25a
• 30a
• A/t control unit (above left kick panel)
• Acc
• Check connector
• Egr temperature sensor (left rear of eng)
• Engine control module (in right kick panel)
• F11
• Fuel pump (in fuel tank)
• Fuel pump control module (under center of rear shelf)
• Fuel pump relay (left side of trunk)
• Fuel red
• Fuse
• Fuse box (i/p)
• Fusible link & fuse box (under hood)
• Fusible link & fuse box (underhood)
• G114
• G117 (right rear of eng)
• Hot at all times
• Hot in start or on
• Ignition coil #1
• Ignition coil #2
• Ignition coil #3
• Ignition coil #4
• Ignition coil #5
• Ignition coil #6
• Ignition coil #7
• Ignition coil #8
• Ignition coil relay (in right kick panel)
• Ignition switch
• Injectors
• Instrument cluster
• J/b g
• J/c f
• J/c g
• J/c h
• Mal- function indicator lamp
• Nca
• No.1
• No.2
• No.3
• No.4
• No.5
• No.6
• No.7
• No.8
• Off
• Park/neutral position relay
• Red
• Resistor
• Right power transistor unit (top right of eng)
• Secondary throttle position sensor (w/ tcs) (left front of eng)
• Smj
• Start
• Throttle control module (w/ tcs) (center of i/p)
• Throttle position sensor/switch (on throttle body)
• W/ tcs only