ENGINE PERFORMANCE – Scion xA 2004 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

Engine Performance Wiring Diagram (1 of 4) for Scion xA 2004

List of elements for Engine Performance Wiring Diagram (1 of 4) for Scion xA 2004:

52

• (center of dash) i3
• (front center of engine) e2
• (lower center of dash) i6
• A/t
• Ac1
• Acc
• Air conditioning system
• Batt
• C/ opn relay
• Ccv
• Cool
• Cooling fans system
• Defogger system
• E3 (left front of engine)
• Ec (left top of engine)
• Efi fuse 15a
• Efi relay
• Engine control module (behind lower right side of dash)
• Engine room r/b (on left side of engine compartment)
• F/ps
• Fan
• Fuel injector 1
• Fuel injector 2
• Fuel injector 3
• Fuel injector 4
• Hot
• Hot at all times
• Htl2
• Ignition coil & igniter 1 (on top of cylinder head cover)
• Ignition coil & igniter 2 (on top of cylinder head cover)
• Ignition coil & igniter 3 (on top of cylinder head cover)
• Ignition coil & igniter 4 (on top of cylinder head cover)
• Ignition switch
• Instrument panel j/b (behind left side of dash)
• Lock
• Mgv
• Mhsw
• Noise filter (ignition)
• Odlp
• Odms
• Off
• Pink
• Ptc1
• Rdef
• Red
• Sil
• Spd
• Start
• Stp
• Taco
• Thr
• Wfse

Engine Performance Wiring Diagram (2 of 4) for Scion xA 2004

List of elements for Engine Performance Wiring Diagram (2 of 4) for Scion xA 2004:

30

• (beneath left rear of vehicle) vsv (canister closed valve)
• (in fuel tank) fuel pump
• (lower left end of dash) data link connector 3
• Bh (behind left quarterpanel)
• C10
• C11
• Combination meter
• Gauge fuse 10a
• H12
• H13
• H14
• H16
• Hot at all times
• Hot in on or start
• If (left dash brace)
• Instrument panel j/b (behind left side of dash)
• J/c 3 (left side of dash)
• Malfunction indicator
• O/d off ind
• Ox1
• Park/neutral position switch (on left rear of transmission)
• Red
• Sil
• Speedometer
• Stop fuse 10a
• Stoplight switch (on bracket, above brake pedal)
• Tachometer
• Water temp cool indicator
• Water temp hot indicator
• Wfse

Engine Performance Wiring Diagram (3 of 4) for Scion xA 2004

List of elements for Engine Performance Wiring Diagram (3 of 4) for Scion xA 2004:

35

• (lower center of dash) i4
• (on right front of engine) camshaft timing oil control valve
• Air conditioning system
• Camshaft position sensor (on rear of cylinder head)
• Crankshaft position sensor (on front lower right of engine)
• Dash) i5
• Duty
• E01
• E02
• Ec (left top of engine)
• Engine control module (behind lower right side of dash)
• G22+
• Gnd
• I3 (center of dash)
• Idle air control valve
• Igf1
• Igt1
• Igt2
• Igt3
• Igt4
• Nca
• Ne+
• Ne-
• Ocv+
• Ocv-
• Oil
• Prg
• Rsd
• Slt+
• Slt-
• Tha
• Thw
• Visc
• Vsv (evap) (on left side of engine compartment)
• Vta

Engine Performance Wiring Diagram (4 of 4) for Scion xA 2004

List of elements for Engine Performance Wiring Diagram (4 of 4) for Scion xA 2004:

42

• (center of dash)
• (left top of engine) ec
• (on exhaust system, after catalytic converter) heated oxygen sensor (bank 1, sensor 2)
• (on exhaust system, before catalytic converter) heated oxygen sensor (bank 1, sensor 1)
• (on front of cylinder block) knock sensor
• (on left front of engine) engine coolant temperature sensor
• (on left side of engine compartment, near battery) mass air flow meter
• (on throttle body assembly) throttle position sensor
• (right rear of engine compt) power steering oil pressure sensor
• (under left rear of vehicle, near fuel tank) vapor pressure sensor
• Alt
• E03
• E2g
• Electronically controlled transmission solenoid
• Engine control module (behind lower right side of dash)
• Engine) ec
• Evg
• Gnd
• Htl
• I3 (center of dash)
• I4 (lower center of dash)
• Ie (left kick panel)
• Instrument panel j/b (behind left side of dash)
• Knkl
• Nca
• Nsw
• Nt+
• Nt-
• O/d main switch
• Oxl1
• Oxl2
• P13
• Pnk
• Psp
• Red
• Slt+
• Slt-
• Sta
• Starting/ charging system
• Tha
• Turbine speed sensor (on transmission)
• Vout