ENGINE PERFORMANCE – Nissan Pathfinder SE 1999 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.3L

3.3L, Engine Performance Wiring Diagrams, Early Production (1 of 3) for Nissan Pathfinder SE 1999

List of elements for 3.3L, Engine Performance Wiring Diagrams, Early Production (1 of 3) for Nissan Pathfinder SE 1999:

• (29-31 & 13-17 not used)
• (29-31 & 33-34 not used)
• (behind dash, left of steering column) transmission control unit
• (in relay box 2) ecc relay
• (on lower dash panel, left of steering column) data link connector
• (on lower left dash panel) data link connector
• (on throttle body) throttle position sensor
• Absolute pressure sensor (on left front fender well, near air cleaner box)
• Acc
• Air conditioning system
• Crankshaft position sensor (on trans- mission housing, facing flywheel gear teeth)
• Eccs control module (ecm) (behind center of dash)
• Egr temper- ature sensor (on left rear of eng)
• Engine coolant temperature sensor (on top front of eng)
• Evap control system pressure sensor (left rear underside of vehicle, near fuel tank)
• Fuel tank gauge unit (tank fuel temperature sensor) (top of fuel tank)
• Fuse 10a
• Fuse 7.5a
• G200 (left kick panel)
• G404 (left rear side of trunk)
• Hot at all times
• Hot at all times fusible link & fuse box
• Ignition switch
• Instrument cluster system (tachometer)
• Intake air temperature sensor (on lower left front of eng compt, in air duct housing)
• Knock sensor (on top rear of eng)
• Mass air- flow sensor (on air intake assembly, near air cleaner box)
• Nca
• Off
• Pnk
• Start

3.3L, Engine Performance Wiring Diagrams, Early Production (2 of 3) for Nissan Pathfinder SE 1999

List of elements for 3.3L, Engine Performance Wiring Diagrams, Early Production (2 of 3) for Nissan Pathfinder SE 1999:

• (left side of dash, between ecm & grommet on firewall) j/c
• (right kick panel)
• (right kick panel) g203
• A/t
• Cam- shaft position sensor
• Closed
• Condenser nca
• Distributor
• Evap canister purge volume control solenoid valve (on left rear of eng)
• Fuse 10a
• Fuse 7.5a
• Fuse block (j/b)
• G119 (right front of eng)
• G203
• Hot at all times
• Hot in on or start
• Hot in start
• Ignition coil
• Inhibitor relay (in relay box 2)
• M/t
• Map/baro switch solenoid (on left front fender well, near air cleaner box)
• Nca
• Neutral position switch (2wd: on right side of transmission, 4wd: on right side of transfer case)
• P/n
• Power steering oil pressure switch (lower right front of eng compt, on power steering high pressure tube)
• Power transistor
• Resistor (on front right side of eng)
• Throttle position switch (integral to throttle position sensor)
• Wide open

3.3L, Engine Performance Wiring Diagrams, Early Production (3 of 3) for Nissan Pathfinder SE 1999

List of elements for 3.3L, Engine Performance Wiring Diagrams, Early Production (3 of 3) for Nissan Pathfinder SE 1999:

• (77-79 not used)
• 1o1
• Eccs control module (ecm) (behind center of dash)
• Egrc solenoid valve (on left front of eng)
• Electronic speedo- meter
• Evap canister vent control valve (left rear underside of vehicle, near fuel tank)
• Fuel injectors
• Fuel pump (in fuel tank)
• Fuel pump relay (in relay box 2)
• Fuse 10a
• Fuse 15a
• Fuse block (j/b)
• G115 (rear of eng)
• G404 (left rear side of trunk)
• Hot in on or start
• Iacv-aac valve (on left rear of eng)
• 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 lamp
• Nca
• Right front heated oxygen sensor (on right exhaust manifold)
• Right rear heated oxygen sensor (behind right catalytic converter, on front tube)
• Vacuum cut valve by-pass valve (left rear underside of vehicle near fuel tank)
• Vehicle speed sensor (on left side of transmission)

3.3L, Engine Performance Wiring Diagrams, Late Production (1 of 3) for Nissan Pathfinder SE 1999

List of elements for 3.3L, Engine Performance Wiring Diagrams, Late Production (1 of 3) for Nissan Pathfinder SE 1999:

• (13-17 not used)
• (30 & 33-34 not used)
• (behind dash, left of steering column) transmission control unit
• (in relay box 2) ecc relay
• (left kick panel)
• (on lower dash panel, left of steering column) data link connector (consult)
• (on lower left dash panel) data link connector (gst)
• (on throttle body) throttle position sensor
• Absolute pressure sensor (on left front fender well, near air cleaner box)
• Acc
• Air conditioning system
• Crankshaft position sensor (on trans- mission housing, facing flywheel gear teeth)
• Eccs control module (ecm) (behind center of dash)
• Egr temper- ature sensor (on left rear of eng)
• Engine coolant temperature sensor (on top front of eng)
• Evap control system pressure sensor (left rear underside of vehicle, near fuel tank)
• Fuel tank gauge unit (tank fuel temperature sensor) (top of fuel tank)
• Fuse 10a
• Fuse 7.5a
• G200
• G404 (left rear side of trunk)
• Hot at all times
• Hot at all times fusible link (in relay box 2)
• Ignition switch
• Instrument cluster system (tachometer)
• Intake air temperature sensor (on lower left front of eng compt, in air duct housing)
• Knock sensor (on top rear of eng)
• Mass air- flow sensor (on air intake assembly, near air cleaner box)
• Nca
• Off
• Pnk
• Start

3.3L, Engine Performance Wiring Diagrams, Late Production (2 of 3) for Nissan Pathfinder SE 1999

List of elements for 3.3L, Engine Performance Wiring Diagrams, Late Production (2 of 3) for Nissan Pathfinder SE 1999:

• (left side of dash, between ecm & grommet on firewall) j/c
• (right kick panel)
• (right kick panel) g203
• A/t
• Cam- shaft position sensor
• Closed
• Condenser nca
• Distributor
• Evap canister purge volume control solenoid valve (on left rear of eng)
• Fuse 7.5a
• Fuse block (j/b)
• G119 (right front of eng)
• G203
• Hot at all times
• Hot in start
• Ignition coil
• M/t
• Map/baro switch solenoid (on left front fender well, near air cleaner box)
• Nca
• Neutral position switch (2wd: on right side of transmission, 4wd: on right side of transfer case)
• P/n
• Park/ neutral position switch (right rear of transmission)
• Power steering oil pressure switch (lower right front of eng compt, on power steering high pressure tube)
• Power transistor
• Resistor (on front right side of eng)
• Throttle position switch (integral to throttle position sensor)
• Wide open

3.3L, Engine Performance Wiring Diagrams, Late Production (3 of 3) for Nissan Pathfinder SE 1999

List of elements for 3.3L, Engine Performance Wiring Diagrams, Late Production (3 of 3) for Nissan Pathfinder SE 1999:

• (77-79 not used)
• 1o1
• Eccs control module (ecm) (behind center of dash)
• Egrc solenoid valve (on left front of eng)
• Electronic speedo- meter
• Evap canister vent control valve (left rear underside of vehicle, near fuel tank)
• Fuel injectors
• Fuel pump (in fuel tank)
• Fuel pump relay (in relay box 2)
• Fuse 10a
• Fuse 15a
• Fuse block (j/b)
• G115 (rear of eng)
• G404 (left rear side of trunk)
• Hot in on or start
• Iacv-aac valve (on left rear of eng)
• 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 lamp
• Nca
• Right front heated oxygen sensor (on right exhaust manifold)
• Right rear heated oxygen sensor (behind right catalytic converter, on front tube)
• Vacuum cut valve by-pass valve (left rear underside of vehicle near fuel tank)
• Vehicle speed sensor (on left side of transmission)