ENGINE PERFORMANCE – Toyota 4Runner Limited 2001 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.4L

3.4L, Engine Performance Wiring Diagrams (1 of 4) for Toyota 4Runner Limited 2001

List of elements for 3.4L, Engine Performance Wiring Diagrams (1 of 4) for Toyota 4Runner Limited 2001:

• (behind left side of dash)
• (dash harn, right side of dash)
• (engine harn, center of engine)
• (left intake mani- fold)
• (right side of engine compartment) igniter
• Af1+
• Af1-
• Camshaft position sensor (top front of engine)
• Ccv
• Cl+
• Cl-
• Crankshaft position sensor (front of engine)
• Data link connector (below left side of dash)
• E01
• E02
• E03
• E04
• E10
• E11
• E2g
• Engine control module (behind right side of dash)
• Engine room r/b (left side of engine compt)
• Evp1
• Ext
• G112
• G112 (left intake manifold)
• G131 (left intake manifold)
• G200 (left kick panel)
• Ge01
• Gnd
• Hot at all times
• Ht2b
• Htaf
• I20
• Igc1
• Igc2
• Igc3
• Igf
• Ignition coils
• Igt1
• Igt2
• Igt3
• Injector 1
• Injector 2
• Injector 3
• Injector 4
• Injector 5
• Injector 6
• Instrument cluster system
• J/c 6
• Knk1
• Knk2
• Knock sensor 1 (middle of engine)
• Knock sensor 2 (middle of engine)
• Me01
• Nca
• Ne+
• Ne-
• Noise filter
• Obd fuse 7.5a
• Ox2b
• Pnk
• Power steering oil pressure switch (right front of engine)
• Psw
• Ptnk
• Red
• Sdl
• Shield
• Sil
• Slt+
• Slt-
• Sp2+
• Sp2-
• Tbp
• Tha
• Thoc
• Throttle control motor and clutch (top right side of engine)
• Thw
• Vpa
• Vpa2
• Vta
• Vta2
• Wfse

3.4L, Engine Performance Wiring Diagrams (2 of 4) for Toyota 4Runner Limited 2001

List of elements for 3.4L, Engine Performance Wiring Diagrams (2 of 4) for Toyota 4Runner Limited 2001:

• A/t fluid temperature sensor (on transmission)
• Accel position sensor (right side of engine)
• Center j/b (behind left side of dash)
• Data link connector 1 (left side of engine compt)
• Driver side j/b (lower left side of dash)
• E2g
• Electronically controlled transmission solenoid
• Engine coolant temperature sensor (top front of engine)
• Evap vsv (left side of engine compartment)
• Heated oxygen sensor (bank 1 sensor 2) (underside of vehicle)
• Hot in start
• I20
• I20 (dash harn, right side of dash)
• Ig-
• Mass airflow meter (in air intake)
• Pressure switching valve vsv (left side of engine compartment)
• Ptnk
• Shield
• Sta fuse 7.5a
• Tha
• Throttle position sensor (on throttle body)
• Vapor pressure sensor (left rear of engine compt)
• Vcc
• Vehicle speed sensor (on transmission)

3.4L, Engine Performance Wiring Diagrams (3 of 4) for Toyota 4Runner Limited 2001

List of elements for 3.4L, Engine Performance Wiring Diagrams (3 of 4) for Toyota 4Runner Limited 2001:

• (behind right side of dash)
• Acc
• Air fuel ratio sensor (in exhaust)
• C11
• C15
• Canister closed valve vsv (left side of engine compartment)
• Center j/b (behind left side of dash)
• Circuit opening relay (behind lower left side of dash)
• Driver side j/b (lower left side of dash)
• Efi fuse 20a
• Efi relay
• Engine room j/b (left side of engine compt)
• Etcs fuse 15a
• F10
• Fuel pump (in fuel tank)
• G100 (left front fender)
• G404 (left inner quarter panel)
• Hot at all times
• I12
• I20
• Ign fuse 10a
• Ignition switch
• J/c
• J/c1, j/c2 (near left front shock tower)
• Lock
• Run
• Shield
• Start
• Stop fuse 10a
• Stoplight switch (under left side of dash)

3.4L, Engine Performance Wiring Diagrams (4 of 4) for Toyota 4Runner Limited 2001

List of elements for 3.4L, Engine Performance Wiring Diagrams (4 of 4) for Toyota 4Runner Limited 2001:

• (behind left side of dash) j/c 3
• (right side kick panel) g203
• +bm
• A/c system
• A/t oil temp ind
• A/t p ind
• Ac1
• Act
• Anti-lock brake system
• Anti-theft system
• Batt
• C25
• C26
• C27
• C28
• C29
• Center j/b (behind left side of dash)
• Detection switch (transfer l4 position) (on transmission)
• Detection switch (transfer neutral position) (on transmission)
• Driver side j/b (lower left side of dash)
• E10
• E12
• E13
• E14
• E16
• E18
• Ect pwr ind
• Electronically controlled transmision pattern select switch
• Eng+
• Eng-
• Engine control module (behind right side of dash)
• Eom
• G200 (left kick panel)
• G203 (right kick panel)
• Gauge fuse 10a
• Hot in run or start
• I13 (dash harn, left side of dash)
• I20
• I21
• Igsw
• Imld
• Instrument cluster
• J/c 7, j/c 8 (upper right side of dash)
• J/c7, j/c8 (upper right side of dash)
• Ksw
• Mal- function ind
• Mrel
• Neo
• Nsw
• O/d main switch (shift lock control computer)
• O/d off ind
• Odlp
• Odms
• Oil-w
• Park/neutral position switch
• Pnk
• Pwr
• Rxck
• Sil
• Sp1
• Speedometer
• Sta
• Starting system
• Stp
• Tfn
• Transponder key amplifier (left side of dash)
• Trc+
• Trc-
• Txct
• Wfse