ENGINE PERFORMANCE – Toyota Sequoia Limited 2005 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

4.7L

4.7L, Engine Performance Wiring Diagram (1 of 6) for Toyota Sequoia Limited 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (1 of 6) for Toyota Sequoia Limited 2005:

• (4wd)
• (dash harn behind right side of dash)
• (engine harn, top center rear of engine)
• (rear of right cyl head)
• 4wd
• Acis
• Aip
• Aiv1
• Aiv2
• Camshaft position sensor (front of left cylinder head)
• Crankshaft position sensor (lower front of engine)
• E01
• E02
• E2g
• Ec (rear of left cyl head)
• Engine control module (behind right side of dash)
• Engine coolant temperature sensor (right front of engine)
• Fpr
• G2+
• G2-
• Geo1
• Hot at all times
• Ht1b
• Ig right kick panel)
• Igf1
• Igf2
• Ign2 fuse 20a
• Ignition coils & igniters
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Inj 1
• Inj 2
• Inj 3
• Inj 4
• Inj 5
• Inj 6
• Inj 7
• Inj 8
• Instru- ment panel j/b (behind left end of dash)
• J/c j18
• Left camshaft timing oil control valve (top left of eng)
• Left vvt sensor (top left side of eng)
• Mass airflow meter (right front of eng compt)
• Nca
• Nca nca
• Ne+
• Ne-
• Noise filter (top center of eng)
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Ox1b
• Pnk
• Prg
• Red
• Right camshaft timing oil control valve (on right front of eng)
• Right vvt sensor (right center of eng compt)
• Sta
• Starting/charging system
• Stsw
• Tha
• Throttle control motor & position sensor (left front of eng, on throttle body)
• Thw
• Vta1
• Vta2
• Vv1+
• Vv1-
• Vv2+
• Vv2-

4.7L, Engine Performance Wiring Diagram (2 of 6) for Toyota Sequoia Limited 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (2 of 6) for Toyota Sequoia Limited 2005:

• (dash harn, behind right side of dash)
• (top of eng) air pressure sensor
• (top right side of eng)
• 4wd control ecu (4wd) (behind right center of dash)
• A/f fuse 20a
• A/f relay
• Add actuator (rear of eng)
• Aip
• C/c
• Ec (rear of left cyl head)
• Ed (left front inner fender panel)
• Engine room r/b 2 (left side of engine compt)
• F23 add
• Fuel injectors
• Hot in start
• J/c j2 (left side of eng compt, near eng room j/b)
• J/c j42 (right side of dash)
• J/c j51 & j52 (behind right end of dash)
• J51
• J52
• Nca
• Nca e
• Red
• Vsv (acis) (top left of eng)
• Vsv (air switching valve bank 1)
• Vsv (air switching valve bank 2)
• Vsv (evap) (top left side of eng)

4.7L, Engine Performance Wiring Diagram (3 of 6) for Toyota Sequoia Limited 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (3 of 6) for Toyota Sequoia Limited 2005:

• (dash harn, behind right side of dash)
• A19
• Bi (at left side of room partition crossmember)
• C/opn relay
• Def i/up fuse 7.5a
• E17
• E18
• Efi 1 fuse 20a
• Efi 2 fuse 10a
• Efi relay
• Engine room j/b (left side of engine compt)
• Engine room r/b 2 (left side of engine compt)
• Fuel pump (in fuel tank)
• Fuel pump relay
• Fuel pump resistor (below master cylinder)
• Gauge fuse 10a
• H11
• Hot at all times
• Hot in run or acc
• Hot in run or start
• Hot in start
• Hot w/ defog relay energized
• Hot w/ taillight relay energized
• Ign 1 fuse 10a
• Instru- ment panel j/b (behind left end of dash)
• Instrument panel j/b (behind left end of dash)
• Ipo
• J/c j16 (behind right end of dash)
• J/c j2 (left side of eng compt, near eng room j/b)
• J/c j44 & j45 (right kick panel)
• J/c j5 (left side of eng compt, near eng room j/b)
• J14
• J15 j/c j14 & j15
• J44
• J45
• Rad 2 fuse 7.5a
• Sta fuse 7.5a
• Stop fuse 15a
• Stoplight switch (on bracket, above brake pedal)
• Sub j/b 4 (behind right side of cluster)
• Tail fuse 15a

4.7L, Engine Performance Wiring Diagram (4 of 6) for Toyota Sequoia Limited 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (4 of 6) for Toyota Sequoia Limited 2005:

• (4wd)
• (behind left end of dash) instrument panel j/b
• 2lo
• A/t oil temp ind
• A15
• Ac1
• Act
• Canh
• Canl
• Ccs
• Combination meter
• Computer data lines system
• Efii
• Efio
• Els1
• Els2
• Engine control module (behind right side of dash)
• Eom
• F/ps
• Ie (left kick panel)
• Ig (right kick panel)
• Imi
• Imo
• Integration control and panel (behind center of dash)
• J/c j14 & jc15
• J/c j17 (behind left center of dash)
• J/c j43 (right side of dash)
• J/c j51 j& j52 (behind right end of dash)
• J/c j8
• J51
• J52
• Llp
• Lms
• Malf ind lamp
• O/d off ind
• Odlp
• Oilw
• Park/ neutral position switch (on trans)
• Spd
• Speedo- meter
• Sub j/b 3 (behind right side of cluster)
• System cruise control
• Tach
• Tacho- meter
• Thwo
• Transponder key computer (inside of steering column)
• Vehicle speed sensor (on trans)

4.7L, Engine Performance Wiring Diagram (5 of 6) for Toyota Sequoia Limited 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (5 of 6) for Toyota Sequoia Limited 2005:

• (on left side of eng compt) air injector control driver
• (right kick panel) j/c j48 & j49
• (side of fuel tank) leak detection pump assembly
• (top of eng) air pump
• (top of eng) air switching valve
• A/pump fuse 50a
• A40
• A41
• Air fuel ratio sensor (bank 1 sensor 1) (top of eng)
• Air fuel ratio sensor (bank 2 sensor 1) (on top rear of eng)
• Batt
• Canister close valve
• E1 (eng harn, top center rear of eng)
• Eb (rear of right cyl head)
• Fusible link block (in eng room j/b)
• Heated oxygen sensor (bank 1 sensor 2) (rear of catalytic converter)
• Heated oxygen sensor (bank 2 sensor 2) (rear of catalytic converter)
• Hot at all times
• J/c j16 (behind right end of dash)
• J/c j42 (right side of dash)
• J48
• J49
• Knock sensor (bank 1) (top right side of eng)
• Knock sensor (bank 2) (top left side of eng)
• Nca
• Nca nca
• Pressure sensor
• Red
• Sip
• Siv

4.7L, Engine Performance Wiring Diagram (6 of 6) for Toyota Sequoia Limited 2005

List of elements for 4.7L, Engine Performance Wiring Diagram (6 of 6) for Toyota Sequoia Limited 2005:

• (on trans) o/d direct clutch speed sensor
• (on trans) vehicle speed sensor
• (rear of left cyl head)
• (rear of right cyl head)
• +b2
• +bm
• A/c system
• A1a+
• A1a-
• A2a+
• A2a-
• Accelerator pedal position sensor
• Accr
• Aidi
• Batt
• Ccc
• Computer data lines system
• E03
• Ekn2
• Eknk
• Electronically controlled transmission solenoid (on transmission)
• Els
• Engine control module (behind right side of dash)
• Engine room j/b (left side of engine compt)
• Eo4
• Eo5
• Epa
• Epa2
• Etcs fuse 15a
• Ha1a
• Ha2a
• Hot at all times
• Ht2b
• If (left dash brace)
• Igsw
• J/c j12
• Knk1
• Knke
• Me01
• Mpmp
• Mrel
• Nt+
• Nt-
• O/d main switch
• Ot+
• Ot-
• Ot2+
• Ot2-
• Ox2b
• Ppmp
• Red
• Sip
• Siv
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• St1-
• Star
• Starting/ charging system
• Stp
• Tho1
• Tho2
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vpmp