ENGINE PERFORMANCE – Toyota Avalon XLS 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.0L

3.0L, Engine Performance Wiring Diagram (1 of 4) for Toyota Avalon XLS 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (1 of 4) for Toyota Avalon XLS 2004:

• (cpu) multi-display
• (dash harn, behind right side of dash)
• (on left rear of engine) left variable valve timing solenoid
• (on left rear of left cyl head) camshaft position sensor (left)
• (on right rear of engine) right variable valve timing solenoid
• (on right rear of right cyl head) camshaft position sensor (right)
• (rear of surge tank)
• Aci1
• Acis
• Afl+
• Afl-
• Afr+
• Afr-
• Air fuel ratio sensor (bank 1, sensor 1) (on right exhaust manifold)
• Air fuel ratio sensor (bank 2, sensor 1) (on left exhaust manifold)
• Conn e4
• Conn e5
• E01
• E02
• E03
• E04
• E05
• E2g
• E5 (engine harn, top front of engine)
• Eb (right side of surge tank)
• Engine control module (behind right side of dash)
• Engine coolant temperature sensor (on top right front of engine)
• Evp1
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Fuel injector 5
• Fuel injector 6
• Hafl
• Hafr
• I22
• I23
• Igf
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• J/c 8 (behind right side of dash)
• Knkl
• Knkr
• Mass airflow meter (on left side of engine compartment)
• Nc2+
• Nc2-
• Nca
• Ne+
• Ne-
• Oc1+
• Oc1-
• Oc2+
• Oc2-
• Pnk
• Power steering oil pressure switch (right rear of engine compt)
• Ptnk
• Red
• Rso
• Sln+
• Sln-
• Tha
• Throttle position sensor (on throttle body)
• Thw
• Vapor pressure sensor (on left rear of vehicle, at fuel tank)
• Vcc
• Vsv (evap) (on top center of engine)
• Vta1
• Vv1+
• Vv2+

3.0L, Engine Performance Wiring Diagram (2 of 4) for Toyota Avalon XLS 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (2 of 4) for Toyota Avalon XLS 2004:

• (dash harn, behind upper right side of dash)
• (engine harn, front of engine)
• (on left side of engine compartment) noise filter
• (on lower left front of engine) crankshaft position sensor
• (on right side of engine)
• (on top of transaxle) o/d direct clutch speed sensor
• (rear side of surge tank)
• (right side of surge tank) eb
• (top left of engine) ignition coil & igniter 2
• (top left of engine) ignition coil & igniter 4
• (top left of engine) ignition coil & igniter 6
• (top right of engine) ignition coil & igniter 1
• (top right of engine) ignition coil & igniter 3
• (top right of engine) ignition coil & igniter 5
• Acc
• B5 (body harn, under right side of dash)
• E4 (engine harn, right rear of engine compt)
• Heated oxygen sensor (bank 1, sensor 2) (on exhaust pipe, rear of cat conv)
• Hot at all times
• I14
• Idle air control valve (on throttle body assembly)
• Ignition switch
• J/c 17 (behind center of dash)
• Knock sensor no. 1 (on top of engine)
• Knock sensor no. 2 (on top of engine)
• Lock
• Nca
• Pnk
• Red
• Start
• Top front of engine)
• Vsv (acis no.1)
• Vsv (acis no.2) (on right side of engine)
• Vsv (acm) (on right front of engine compartment)
• Vsv (canister closed valve) (on left side of engine compartment)
• Vsv (pressure switching valve) (on left rear of vehicle, at fuel tank)

3.0L, Engine Performance Wiring Diagram (3 of 4) for Toyota Avalon XLS 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (3 of 4) for Toyota Avalon XLS 2004:

• (dash harn, right end of dash)
• (dash harn, right side of dash)
• Af+
• Af-
• Air fuel ratio sensor (bank 1 sensor 1) (on exhaust manifold)
• Bb (right center pillar)
• Bc (left side of rear crossmember)
• Charcoal canister assembly
• Circuit opening relay
• Ee (intake side of cyl block)
• Efi 1 fuse 20a
• Efi relay
• Eh (under left headlight)
• Engine room j/b (on left side of engine compt)
• Fuel pump (in fuel tank)
• Heated oxygen sensor (bank 1 sensor 2) (on exhaust, after catalytic converter)
• Hot at all times
• Ht1b
• J/c
• J/c 19 (rear of vehicle)
• J/c 7 (right side of dash)
• Nca
• O1b-
• Ox1b
• Pnk
• R/b 1 (left of instrument panel j/b)
• Red
• V15 excd
• Voltage inverter (w/ rear seat entertainment system) (center of vehicle)

3.0L, Engine Performance Wiring Diagram (4 of 4) for Toyota Avalon XLS 2004

List of elements for 3.0L, Engine Performance Wiring Diagram (4 of 4) for Toyota Avalon XLS 2004:

• (behind right side of dash) passenger side j/b
• (intake side of cyl block)
• (on transmission) park/neutral position switch
• A1a+
• A1a-
• Center j/b (behind upper center of dash)
• Computer data lines system
• Counter gear speed sensor (left side of engine compt)
• Dsl
• E04
• E7 (engine harn, at left side of engine)
• Ecu-b fuse 7.5a
• Efi 2 fuse 10a
• Eknk
• Engine control module (ecm) (behind right side of dash)
• Engine room j/b (on left side of engine compt)
• Engine room r/b (on left side of engine compt)
• G10
• Ha1a
• Heater fuse 10a
• Hot at all times
• Hot in on & start
• Ht1b
• Ign fuse 10a
• Instrument panel j/b (behind left side of dash)
• J/c 6 (left side of dash)
• K13
• Knk1
• Knk2
• Knock sensor (right side of engine)
• L11
• Nc+
• Nc-
• Nca
• Nt+
• Nt-
• Ox1b
• P/n
• Passenger side j/b (behind right side of dash)
• Pnk
• Red
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Stop fuse 20a
• Stoplight switch (above brake pedal)
• Th0
• Turbine speed sensor (on side of trans- mission)