ENGINE PERFORMANCE – Toyota Tacoma PreRunner 2002 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

2.4L

2.4L, Engine Performance Wiring Diagrams (1 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 2.4L, Engine Performance Wiring Diagrams (1 of 4) for Toyota Tacoma PreRunner 2002:

• (behind dash, above steering column) j/b 3 (left)
• (left side of engine compt) j/c 9,10
• (on bracket, above brake pedal) stoplight switch
• (w/a/t)
• (w/tachometer)
• A/c system
• Ac1
• Act
• Batt
• C10
• C12
• C16
• C20
• Conn e5
• Conn e6
• Control circuit
• Cruise control system
• Ea (left front fender)
• Efi fuse 20a
• Efi relay
• Els
• Engine control module (behind right side of dash)
• G14
• G17
• G22
• Hot at all times
• Hot in on or start
• I11
• I12 (dash harn, behind center of dash)
• Idlo
• Ie (right kick panel)
• Ign fuse 7.5a
• Instrument cluster
• J/b 1 (behind dash, left of steering column)
• J/b 3 (center) (behind center of dash)
• J/b 3 (left) (behind dash, above steering column)
• J/b 3 (left) (w/ cruise control) (behind dash, above steering column)
• J/c 10
• J/c 13 (behind right side of dash)
• J/c 9
• Malfunction indicator
• Nsw
• O/d main switch
• O/d off indicator
• Od1
• Odlp
• Odms
• Panel fuse 10a
• Power steering oil pressure switch (on power steering pump)
• Psw
• Ptnk
• R/b 2 (left side of engine compt)
• Sil
• Sp1
• Speedometer
• Sta
• Starting/charging system
• Stop fuse 15a
• Stp
• Tac
• Tachometer

2.4L, Engine Performance Wiring Diagrams (2 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 2.4L, Engine Performance Wiring Diagrams (2 of 4) for Toyota Tacoma PreRunner 2002:

• (behind dash, above steering column) j/b 3 (left)
• (w/a/t)
• (w/m/t & 4wd)
• (w/m/t)
• A15
• A16
• Batt
• Circuit opening relay (behind dash, above steering column)
• Cruise control system
• Data link connector 3 (below left center of dash)
• Ecu-ig fuse 7.5a
• Ef (right front of engine)
• Fuel pump
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• Hot in start
• Ie (right kick panel)
• Ig (left kick panel)
• J/b 1 (behind dash, left of steering column)
• J/b 3 (left) (behind dash, above steering column)
• J/c (above glove box)
• O/d ecu (below center of dash)
• O/d solenoid (on transmission)
• Obd fuse 10a
• Od1
• Odlp
• Odms
• Park/neutral position switch (on transmission)
• R/b 2 (left side of engine compt)
• Sil
• Sol
• Sta fuse 7.5a
• Starting/ charging system
• Tac

2.4L, Engine Performance Wiring Diagrams (3 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 2.4L, Engine Performance Wiring Diagrams (3 of 4) for Toyota Tacoma PreRunner 2002:

• (behind dash, above steering column) j/b 3 (left)
• (dash harn, upper right side of dash)
• (on exhaust system, rear of engine) heated oxygen sensor (bank 1, sensor 2)
• (on left side of engine) camshaft position sensor
• (on left side of engine) crankshaft position sensor
• Acc
• Eb (left shock tower)
• Ef (right front of engine)
• Hot at all times
• I13
• I14
• Ignition coil & igniter 1 (top of cyl head cover)
• Ignition coil & igniter 2 (top of cyl head cover)
• Ignition coil & igniter 3 (top of cyl head cover)
• Ignition coil & igniter 4 (top of cyl head cover)
• Ignition switch
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Lock
• Noise filter (right side of engine compartment)
• Red
• Start

2.4L, Engine Performance Wiring Diagrams (4 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 2.4L, Engine Performance Wiring Diagrams (4 of 4) for Toyota Tacoma PreRunner 2002:

• (left side of engine compartment) vsv (evap)
• (left side of engine compt, on fenderwell) vsv (vapor pressure sensor)
• (left side of firewall) vapor pressure sensor
• (on exhaust system, rear of engine) air fuel ratio sensor (bank 1, sensor 1)
• (on rear of engine) engine coolant temperature sensor
• (on throttle body assembly) throttle position sensor
• (part of air intake assembly) mass airflow meter
• Af1+
• Af1-
• Behind right center of dash)
• Ccv
• Conn e7
• Conn e8
• Data link connector 1 (left side of engine compt)
• E01
• E02
• E03
• E04
• E2g
• Ef (right front of engine)
• Engine control module (behind right side of dash)
• Evp1
• Hafl
• Hts
• I13
• I13 (dash harn, behind right center of dash)
• Idle air control valve (on throttle body assembly)
• Igf
• Igt1
• Igt2
• Igt3
• Igt4
• Knk1
• Knock sensor (on left side of engine)
• Ne+
• Ne-
• Oxs
• Pnk
• Red
• Rsd
• Tha
• Thw
• Tpc
• Vsv (canister closed valve) (left side of eng compt)
• Vta

2.7L

2.7L, Engine Performance Wiring Diagrams (1 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 2.7L, Engine Performance Wiring Diagrams (1 of 4) for Toyota Tacoma PreRunner 2002:

• (4wd)
• (behind dash, above steering column) j/b 3 (left)
• (left kick panel)
• (left side of engine compt) j/c 9,10
• (on bracket, above brake pedal) stoplight switch
• (w/4wd)
• (w/a/t & 4wd)
• (w/a/t)
• (w/tachometer)
• 4wd
• A/c system
• A/t oil temperature
• Ac1
• Act
• Batt
• C10
• C12
• C13
• C16
• C20
• Conn e5
• Conn e6
• Control circuit
• Cruise control system
• Ea (left front fender)
• Efi fuse 20a
• Efi relay
• Els
• Engine control module (behind right side of dash)
• G17
• G22
• Hot at all times
• Hot in on or start
• I12 (dash harn, behind center of dash)
• Idlo
• Ie (right kick panel)
• Ign fuse 7.5a
• Instrument cluster
• J/b 1 (behind dash, left of steering column)
• J/b 3 (center) (behind center of dash)
• J/b 3 (left) (behind dash, above steering column)
• J/b 3 (left) (w/ cruise control) (behind dash, above steering column)
• J/c 10
• J/c 13 (behind right side of dash)
• J/c 9
• Malfunction indicator
• Nsw
• O/d main switch
• O/d off indicator
• Od1
• Odlp
• Odms
• Oilw
• Panel fuse 10a
• Pnk
• Power steering oil pressure switch (on power steering pump)
• Psw
• Ptnk
• Pwr
• R/b 2 (left side of engine compt)
• Red
• Sil
• Sp1
• Sp2+
• Sp2-
• Speedometer
• Sta
• Starting/charging system
• Stop fuse 15a
• Stp
• Tac
• Tachometer
• Tfn
• Transmissions system
• Vehicle speed sensor (on transmission)

2.7L, Engine Performance Wiring Diagrams (2 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 2.7L, Engine Performance Wiring Diagrams (2 of 4) for Toyota Tacoma PreRunner 2002:

• (4wd)
• (behind dash, above steering column)
• (behind dash, above steering column) j/b 3 (left)
• (w/a/t)
• (w/m/t & 4wd)
• (w/m/t)
• A/t p
• A15
• A16
• Batt
• C10
• C12
• C13
• Circuit opening relay (behind dash, above steering column)
• Cruise control system
• Data link connector 3 (below left center of dash)
• Diode (behind left side of dash)
• Ect pwr
• Ef (right front of engine)
• Electronically controlled transmission pattern select switch
• F16
• F20
• Fuel pump
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• Hot in start
• I9 (dash harn, behind left side of dash)
• Ie (right kick panel)
• Ig (left kick panel)
• Instrument cluster
• J/b 1 (behind dash, left of steering column)
• J/b 3 (left)
• J/b 3 (left) (behind dash, above steering column)
• J/c (above glove box)
• J/c 11 (above glove box)
• Obd fuse 10a
• Park/neutral position switch (on transmission)
• Pnk
• R/b 2 (left side of engine compt)
• Red
• Sil
• Sta fuse 7.5a
• Starting/ charging system
• Tac

2.7L, Engine Performance Wiring Diagrams (3 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 2.7L, Engine Performance Wiring Diagrams (3 of 4) for Toyota Tacoma PreRunner 2002:

• (behind dash, above steering column) j/b 3 (left)
• (dash harn, upper right side of dash)
• (on exhaust system, rear of engine) heated oxygen sensor (bank 1, sensor 2)
• (on left rear of engine) egr gas temperature sensor
• (on left side of engine) camshaft position sensor
• (on left side of engine) crankshaft position sensor
• Acc
• Eb (left shock tower)
• Ef (right front of engine)
• Hot at all times
• I13
• I14
• Ignition coil & igniter 1 (top of cyl head cover)
• Ignition coil & igniter 2 (top of cyl head cover)
• Ignition coil & igniter 3 (top of cyl head cover)
• Ignition coil & igniter 4 (top of cyl head cover)
• Ignition switch
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Lock
• Noise filter (right side of engine compartment)
• Red
• Start

2.7L, Engine Performance Wiring Diagrams (4 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 2.7L, Engine Performance Wiring Diagrams (4 of 4) for Toyota Tacoma PreRunner 2002:

• (left side of engine compartment) vsv (evap)
• (left side of firewall) vapor pressure sensor
• (on exhaust system, rear of engine) air fuel ratio sensor (bank 1, sensor 1)
• (on rear of engine) engine coolant temperature sensor
• (on throttle body assembly) throttle position sensor
• (on top left rear of engine) vsv (egr)
• (on transmission) a/t oil temperature sensor
• (part of air intake assembly) mass airflow meter
• Af1+
• Af1-
• Behind right center of dash)
• Conn e7
• Conn e8
• Cruise control system
• E01
• E02
• E03
• E04
• E2g
• Ef (right front of engine)
• Egr
• Electronically controlled transmission solenoid (on transmission)
• Engine control module (behind right side of dash)
• Evp1
• Hafl
• Hts
• I13
• I13 (dash harn, behind right center of dash)
• Idle air control valve (on throttle body assembly)
• Igf
• Igt1
• Igt2
• Igt3
• Igt4
• Knk1
• Knock sensor (on left side of engine)
• Ne+
• Ne-
• Oxs
• Pnk
• Red
• Rsd
• Tbp
• Tha
• Thg
• Tho
• Thw
• Vsv (vapor switching valve)
• Vta

3.4L

3.4L, Engine Performance Wiring Diagrams (1 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 3.4L, Engine Performance Wiring Diagrams (1 of 4) for Toyota Tacoma PreRunner 2002:

• (behind dash, above steering column) j/b 3 (left)
• (dash harn, upper right side of dash)
• (left kick panel)
• (left side of engine compt) j/c 9,10
• (left side of engine compt, on fenderwell) vsv (pressure switching valve)
• (on bracket, above brake pedal) stoplight switch
• (w/4wd)
• (w/a/t & 4wd)
• (w/a/t)
• 4wd
• A/c system
• A/t oil temperature
• Ac1
• Act
• Batt
• C10
• C12
• C13
• Conn e5
• Conn e6
• Control circuit
• Cruise control system
• Ea (left front fender)
• Efi fuse 20a
• Efi relay
• Engine control module (behind right side of dash)
• G17
• G22
• Heated oxygen sensor (bank 1, sensor 2) (on exhaust system, rear of engine)
• Hot at all times
• Hot in on or start
• I12 (dash harn, behind center of dash)
• I13
• I15
• Idlo
• Ie (right kick panel)
• Ign fuse 7.5a
• Igsw
• Info not avail
• Instrument cluster
• J/b 1 (behind dash, left of steering column)
• J/b 3 (center) (behind center of dash)
• J/b 3 (left) (behind dash, above steering column)
• J/c 10
• J/c 13 (above glove box)
• J/c 9
• Malfunction indicator
• Mrel
• Nsw
• O/d main switch
• O/d off indicator
• Od1
• Odlp
• Odms
• Oilw
• Pnk
• Pwr
• R/b 2 (left side of engine compt)
• Red
• Sil
• Sp1
• Speedometer
• Sta
• Starting/charging system
• Stop fuse 10a
• Stp
• Tachometer
• Tfn
• Transmissions system
• Wfse

3.4L, Engine Performance Wiring Diagrams (2 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 3.4L, Engine Performance Wiring Diagrams (2 of 4) for Toyota Tacoma PreRunner 2002:

• (behind dash, above steering column) j/b 3 (left)
• (w/a/t)
• (w/m/t & 4wd)
• (w/m/t)
• A/t p
• A15
• A16
• Batt
• C10
• C12
• C13
• Circuit opening relay (behind dash, above steering column)
• Data link connector 3 (below left center of dash)
• Diode
• Eb (left shock tower)
• Ect pwr
• Electronically controlled transmission pattern select switch
• F16
• F20
• Fuel pump
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• Hot in start
• I6 (dash harn, behind left side of dash)
• Ie (right kick panel)
• Ig (left kick panel)
• Instrument cluster
• J/b 1 (behind dash, left of steering column)
• J/b 3 (left)
• J/b 3 (left) (behind dash, above steering column)
• J/b 3 (left) (behind dash, above str col)
• J/c (above glove box)
• J/c 11 (above glove box)
• J/c 13 (above glove box)
• Obd fuse 10a
• Park/neutral position switch (on transmission)
• Pnk
• R/b 2 (left side of engine compt)
• Red
• Sil
• Sta fuse 7.5a
• Starting/ charging system
• Wfse

3.4L, Engine Performance Wiring Diagrams (3 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 3.4L, Engine Performance Wiring Diagrams (3 of 4) for Toyota Tacoma PreRunner 2002:

• (behind dash, above steering column) j/b 3 (left)
• (dash harn, upper right side of dash)
• (left side of eng compt) vsv (canister closed valve)
• (lower front of engine) crankshaft position sensor
• (top right front of engine) camshaft position sensor
• (w/ tachometer)
• Acc
• Eb (left shock tower)
• Gnd
• Hot at all times
• I13
• I14
• Igc1
• Igc2
• Igc3
• Igf
• Igniter (on right side of engine compartment)
• Ignition coil 1 (top of cyl head cover)
• Ignition coil 2 (top of cyl head cover)
• Ignition coil 3 (top of cyl head cover)
• Ignition switch
• Igt1
• Igt2
• Igt3
• Info not avail
• Info not available
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Injector 5
• Injector 6
• Lock
• Red
• Start
• Tach

3.4L, Engine Performance Wiring Diagrams (4 of 4) for Toyota Tacoma PreRunner 2002

List of elements for 3.4L, Engine Performance Wiring Diagrams (4 of 4) for Toyota Tacoma PreRunner 2002:

• (engine harn, under r/b 2)
• (left front of engine) engine coolant temperature sensor
• (left side of engine compartment) vsv (evap)
• (left side of firewall) vapor pressure sensor
• (on exhaust system, rear of engine) air fuel ratio sensor (bank 1, sensor 1)
• (on power steering pump) power steering oil pressure switch
• (on throttle body assembly) throttle position sensor
• (on transmission) a/t oil temperature sensor
• (part of air intake assembly) mass airflow meter
• Af1+
• Af1-
• Computer data lines system
• Conn e7
• Conn e8
• Cruise control system
• E01
• E02
• E05
• E2g
• Eb (left shock tower)
• Electronically controlled transmission solenoid (on transmission)
• Engine control module (behind right side of dash)
• Evp1
• Ht2b
• Htaf1
• I13
• I13 (dash harn, behind right center of dash)
• I13 (dash harn, upper right side of dash)
• Idle air control valve (on throttle body assembly)
• Igf
• Igt1
• Igt2
• Igt3
• Info not avail
• Info not available
• Knk1
• Knk2
• Knock sensor 1 (top front of engine)
• Knock sensor 2 (top front of engine)
• Nca
• Ne+
• Ne-
• Ox2b
• Pnk
• Psw
• Ptnk
• Red
• Rsc
• Rso
• Sp2+
• Sp2-
• Tbp
• Tha
• Thw
• Vehicle speed sensor (on transmission)
• Vta