All Wiring Diagrams for Toyota Prius 2003 model

AIR CONDITIONING

Automatic A/C Wiring Diagram (1 of 2) for Toyota Prius 2003

List of elements for Automatic A/C Wiring Diagram (1 of 2) for Toyota Prius 2003:

• A j24
• A j25
• A/c
• A/c amplifier (behind center of dash)
• A/c magnetic clutch & lock sensor (on left front of engine)
• A/c room temperature sensor (behind left center of dash)
• A/c solar sensor (behind top right side of dash)
• A/c thermistor (behind lower center of dash)
• Act
• Aif
• Air
• Air inlet control servo motor (behind right side of dash, on hvac assembly)
• Air mix control servo motor (behind left center of dash, on hvac assembly)
• Air vent mode control servo motor (behind left center of dash, on hvac assembly)
• Amc
• Amh
• Aod
• Aof
• Blower motor (behind lower right side of dash)
• Blower motor linear controller (behind right center of dash)
• Blw
• Body ecu
• Bset
• C j22
• Clr mg relay
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compartment)
• F/r
• Full a/c
• Gauge fuse 10a
• Gnd
• Hot at all times
• Hot in on or start
• Hrly
• Htr fuse 10a
• Htr fuse 50a
• Htr relay
• Htr2
• Htro
• Idh
• Instrument panel j/b (behind left end of dash)
• J13
• J22
• J23
• Junction connector (behind upper left center of dash)
• Junction connector 1 (behind left end of dash, near base of "a" pillar)
• Junction connector 11 (near base of "a" pillar)
• Junction connector 2 & 3 (behind upper left end of dash)
• Junction connector 22 & 23 (behind upper left side of dash)
• Junction connector 24 & 25 (behind upper left center of dash)
• Junction connector 6 (behind left end of dash, near base of "a' pillar)
• Led
• Lock
• Mgc
• Mp2+
• Mpx+
• Mset
• Pig
• Pig5
• Pnk
• Psg
• Psw
• Rdef
• Red
• S5tp
• S5tpi
• S5tpm
• S5ts
• Sglock
• Sgte
• Sgtp
• Sgtpi
• Sgtpm
• Sgtr
• Tpi
• Tpm
• Tset
• W/ drl
• W/o drl

Automatic A/C Wiring Diagram (2 of 2) for Toyota Prius 2003

List of elements for Automatic A/C Wiring Diagram (2 of 2) for Toyota Prius 2003:

• (behind left end of dash, near base of "a" pillar)
• (in engine compt harness, at left rear side of engine compt)
• (on left front of vehicle, behind bumper fascia) ambient temperature sensor
• A/c condenser fan motor (on left front of engine compt)
• A/c triple pressure switch (on left front of engine compt, behind bumper fascia)
• A/c w/p relay
• A11
• Act
• Body ecu (on right side of instrument panel j/b)
• C11
• Cds fan fuse 30a
• Combi- nation meter
• Converter (on left side of engine compt)
• Dual
• E10
• Ecu-ig fuse 5a
• Engine control module (behind right end of dash)
• Engine room j/b (on left side of engine compt)
• Engine room r/b 3 (on right rear of engine compartment)
• Fan
• Fan relay
• Gateway ecu (behind upper center of dash)
• Hot at all times
• Hot in on or start
• Htr 1 relay (if equipped)
• Htr 2 relay (if equipped)
• Htr 3 relay
• Htr1 fuse 30a
• Htr2 fuse 30a
• Htr3 fuse 50a
• Idh
• Instrument panel j/b (behind left end of dash)
• J10
• J12
• J27
• Junction connector (below right end of dash)
• Junction connector 1
• Junction connector 11 (behind left end of dash, near base of "a" pillar)
• Junction connector 27 & 28 (behind j28 upper left center of dash)
• Meo2
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Pnk
• Ptc heater (below right end of dash)
• Radiator fan motor
• Rdi fuse 30a
• Red
• Single
• Tam
• W/ cold area spec
• Water pump motor (a/c) (near left center of engine compt)
• Water temperature switch (on lower right front of engine compt)

ANTI-LOCK BRAKES

Anti-lock Brakes Wiring Diagram (1 of 3) for Toyota Prius 2003

List of elements for Anti-lock Brakes Wiring Diagram (1 of 3) for Toyota Prius 2003:

• (behind right end of dash) emps ecu
• Abs 2 fuse 30a
• Abs 3 fuse 20a
• B10
• B11
• Brake ecu (behind left center of dash)
• Brl
• D/g
• Engine room j/b (on left side of engine compt)
• Engine room r/b 2 (on rear of engine compt)
• Fl+
• Fl-
• Fr+
• Fr-
• Fss
• Gnd1
• Gnd2
• Gnd3
• Gnd4
• Hot at all times
• Hvi+
• Hvi-
• Hvo+
• Hvo-
• Hybrid vehicle control ecu (behind right side of dash, forward of glove box)
• Hydro motor relay 1
• Hydro motor relay 2
• I1 (in dash harness, behind left side of dash)
• I3 (behind left side of dash)
• Id (above left kick panel)
• Ig (above right kick panel)
• Ig1
• J/c 10 (behind left end of dash)
• J/c 11 (behind left end of dash)
• J18
• J19
• Junction connector 11 (behind left end of dash, near base of "a" pillar)
• Junction connector 17 (behind upper right side of dash)
• Junction connector 18 & 19 (behind right end of dash)
• Left front abs speed sensor
• Left rear abs speed sensor
• Mr1
• Mt+
• Mt-
• Mtt
• Nca
• Pmc
• Pnk
• R1+
• Red
• Right front abs speed sensor
• Right rear abs speed sensor
• Rl+
• Rl-
• Rlo
• Rr+
• Rr-
• Rro
• Rss
• Sflh
• Sflr
• Sfrh
• Sfrr
• Sg1
• Smc1
• Smc2
• Sp1
• Srrh
• Srrr
• Stp
• Vcm

Anti-lock Brakes Wiring Diagram (2 of 3) for Toyota Prius 2003

List of elements for Anti-lock Brakes Wiring Diagram (2 of 3) for Toyota Prius 2003:

• (on right rear of engine compartment)
• Abs 1 fuse 40a
• Abs ind
• Abs sol relay
• Body ecu (on right side of instrument panel j/b)
• Brake fluid level warning switch
• Brake ind
• C10
• C11
• Combination meter
• Compartment) e5
• Computer data lines system
• Data link connector (dlc) 3 (behind lower left side of dash)
• Engine room r/b 3 (on right rear of engine compartment)
• Gauge fuse 10a
• Hot at all times
• Hot in on
• Hydraulic booster
• Ie (above left kick panel)
• Ih (behind right kick panel)
• Instrument panel j/ b (behind left end of dash)
• Instrument panel j/b (behind left end of dash)
• J/c 7 (below right end of dash)
• Junction connector 1 (behind left end of dash, near base of "a" pillar)
• Junction connector 16 (behind upper right side of dash)
• Junction connector 22 (behind upper left side of dash)
• Junction connector 26 (behind upper left center of dash)
• Or start
• Red

Anti-lock Brakes Wiring Diagram (3 of 3) for Toyota Prius 2003

List of elements for Anti-lock Brakes Wiring Diagram (3 of 3) for Toyota Prius 2003:

• Abs 4 fuse 10a
• Acc
• All times
• Ast
• B12
• B13
• Brake actuator (on left rear of engine compt)
• Brake ecu (behind left center of dash)
• Brake warning buzzer (behind left side of dash)
• Bs+
• Ecu-ig fuse 5a
• Efr
• Engine room r/b 3 (on right rear of engine compt)
• Ereg
• Err
• G12
• Hot at
• Hot at all times
• Hot in on
• Ig2
• Ignition switch
• Instrument panel j/b (behind left end of dash)
• J14
• J15
• Junction connector 12 (behind upper left center of dash)
• Junction connector 14 & 15 (behind upper right side of dash)
• Junction connector 14 (behind upper right side of dash)
• Lbl
• Lock
• Mr2
• Nca
• Or start
• Parking brake switch (at base of parking brake lever)
• Pfr
• Pkb
• Pnk
• Preg
• Prr
• R2+
• Red
• Sg2
• Sg3
• Sg4
• Sla+
• Sla-
• Slr+
• Slr-
• Start
• Stop fuse 15a
• Stoplight switch (above brake pedal, on bracket)
• Vfr
• Vreg
• Vrr

ANTI-THEFT

Forced Entry Wiring Diagram (1 of 2) for Toyota Prius 2003

List of elements for Forced Entry Wiring Diagram (1 of 2) for Toyota Prius 2003:

• (behind upper left side of dash) j/c 22 & 23
• Act+
• Act-
• Actd
• Bdr
• Bi (on left ``c" pillar)
• Bj (on right ``c" pillar)
• Body ecu
• Dcty
• Dome fuse 15a
• Door fuse 30a
• Ecu-b fuse 7.5a
• Engine hood courtesy switch (near hood latch)
• Engine room j/b (on left side of engine compt)
• Gauge fuse 10a
• Hcty
• Horns system
• Hot at all times
• Hot in on or start
• Id (above left kick panel)
• Ie (above left kick panel)
• Ig (above right kick panel)
• Immobilizer circuit
• Ind
• Instrument panel j/b (behind left end of dash)
• J/c 1 (behind left end of dash)
• J/c 11 (behind left end of dash)
• J/c 14 & 15 (behind upper right side of dash)
• J/c 17 (behind upper right side of dash)
• J/c 18 & 19 (behind right end of dash)
• J/c 24 & 25 (behind upper left center of dash)
• J/c 26 (behind upper left center of dash)
• J/c 27 & 28 (behind j28
• J/c 27 (behind upper left center of dash)
• J/c 33 (above left rear wheelwell)
• J14
• J15
• J18
• J19
• J22
• J23
• J24
• J25
• J27
• Ksw
• Left rear door lock motor & door unlock detection switch
• Lock
• Lsr
• Lswp
• Lug
• Luggage compartment door key unlock switch
• Obdii fuse 7.5a
• Pcty
• Rcty
• Red
• Right front door lock control switch
• Right rear door lock motor & door unlock detection switch
• Theft deterrent horn (behind right headlight)
• Ul1
• Ul2
• Unlk
• Unlock warning switch
• Upper left center of dash)

Forced Entry Wiring Diagram (2 of 2) for Toyota Prius 2003

List of elements for Forced Entry Wiring Diagram (2 of 2) for Toyota Prius 2003:

• Center cluster switch
• Cpub
• Dcty
• Diode (door courtesy) (behind left end of dash, above instrument panel j/b)
• Id (behind left kick panel)
• If (behind left kick panel)
• Ig (above right kick panel)
• Immobilizer circuit
• Instrument panel j/b (behind left end of dash)
• J/c 11 (behind left end of dash)
• J/c 12, j/c 13 (behind upper left center of dash)
• J/c 16 (behind upper right side of dash)
• J/c 17 (behind upper right side of dash)
• J/c 18, j/c 19 (behind right end of dash) j18
• J/c 24 (behind upper left center of dash)
• J/c 24, j/c 25 (behind upper left center of dash)
• J/c 27, j/c 28 (behind upper left center of dash)
• J12
• J13
• J19
• J24
• J25
• J27
• J28
• Kul
• Left front door courtesy switch
• Left front door lock motor, door key lock & unlock switch & door unlock detection switch
• Left rear door courtesy switch
• Lock
• Lswd
• Mpx1
• Power window master switch
• Radio & player
• Red
• Right front door courtesy switch
• Right front door lock motor, door key lock & unlock switch & door unlock detection switch
• Right rear door courtesy switch
• Unlk

Immobilizer Wiring Diagram for Toyota Prius 2003

List of elements for Immobilizer Wiring Diagram for Toyota Prius 2003:

• Acc
• Center cluster switch
• Cty
• Data link connector (dlc) 3 (behind lower left side of dash)
• Ecu-b fuse 7.5a
• Fcvc
• Forced entry circuit
• Gnd
• H14
• Hevc
• Hot at all times
• Hybrid vehicle control ecu (behind right side of dash, forward of glove box)
• Id (above left kick panel)
• If (behind left kick panel)
• Ig2
• Ignition switch
• Ind
• Instrument panel j/b (behind left end of dash)
• J/c 10 (on left end of dash)
• J/c 11 (behind left end of dash)
• J/c 12 & 13 (behind upper left center of dash)
• J/c 20 (behind upper left center of dash)
• J/c 24 & 25 (behind upper left center of dash)
• J/c 24 (behind upper left center of dash)
• J/c 27 & 28 (behind upper left center of dash)
• J12
• J13
• J24
• J25
• J27
• J28
• Ksw
• Left front door courtesy switch
• Lock
• Op1
• Radio & player
• Run
• Start
• Transponder key computer (behind upper left side of dash)
• Unlock warning switch

BODY CONTROL MODULES

Body Control Modules Wiring Diagram for Toyota Prius 2003

List of elements for Body Control Modules Wiring Diagram for Toyota Prius 2003:

• (not used)
• A/c amplifier (behind center of dash)
• Acc fuse 10a
• Act+
• Act-
• Actd
• Air conditioning system
• Anti-lock brakes system
• Anti-theft & door locks system
• Anti-theft & door locks systems
• Anti-theft system
• Bdr
• Body ecu
• C11
• Combination meter
• Dbkl
• Dcty
• Def relay
• Dfg
• Door fuse 30a
• Door locks & anti-theft systems
• Door locks system
• Door locks, anti-theft & warning systems
• E10
• Ecu-b fuse 7.5a
• Engine control module (behind right end of dash)
• Exterior lights & interior lights systems
• Exterior lights, interior lights, headlights & warning systems
• Fld
• Flu
• Fu+
• Fu-
• Fua
• Gateway ecu (behind upper center of dash)
• Gauge fuse 10a
• Gtx+
• Gtx-
• Hcty
• Headlights system
• Horns system
• Hot at all times
• Hot in on or start
• Hot in on or acc
• Hot w/ tail relay energised
• Hrly
• Ind
• Instrument cluster system
• Instrument panel j/b (behind left end of dash)
• Interior lights system
• J/c 11 (behind left end of dash, near base of "a" pillar)
• J/c 12 & 13 (behind upper left center of dash)
• J/c 16 (behind upper right side of dash)
• J/c 26 (behind upper left center of dash)
• J/c 27 (behind upper left center of dash)
• J10
• J12
• J13
• Ksw
• Lcty
• Left front door courtesy switch
• Left rear door courtesy switch
• Lsr
• Lswp
• Lug
• Mp2+
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Multi display
• Obd ii fuse 7.5a
• Pcty
• Pkb
• Pkbl
• Power relay
• Power windows system
• Prg
• Rcty
• Rda
• Rdy
• Red
• Right front door courtesy switch
• Right rear door courtesy switch
• Rld
• Rlu
• Rrd
• Rru
• Tail
• Tail fuse 7.5a
• Trly
• Tx3+
• Tx3-
• Ul1
• Ul2
• Warning system

COMPUTER DATA LINES

Computer Data Lines Wiring Diagram for Toyota Prius 2003

List of elements for Computer Data Lines Wiring Diagram for Toyota Prius 2003:

• A/c amplifier (behind center of dash)
• A18
• Air bag sensor assembly (behind lower center of dash)
• B11
• B17
• Bat
• Battery ecu (above left rear wheelwell, near system main relay)
• Body ecu (on right side of instrument panel j/b)
• Brake ecu (behind left center of dash)
• C10
• C11
• Combination meter
• D/g
• Data link connector (dlc) 3 (behind lower left side of dash)
• E10
• Eb (at rear of engine)
• Emps ecu (behind right end of dash)
• Engine control module (behind right end of dash)
• Gateway ecu (behind upper center of dash)
• H13
• H14
• Hai
• Hao
• Hot at all times
• Hybrid vehicle control ecu (behind right side of dash, forward of glove box)
• Id (above left kick panel)
• Instrument panel j/b (behind left end of dash)
• J/c 11 (behind left end of dash, near base of 'a' pillar)
• J/c 16 (behind upper right side of dash)
• J/c 22 & 23 (behind upper left side of dash)
• J/c 24 (behind upper left center of dash)
• J/c 26 (behind upper left center of dash)
• J22
• J23
• Mp2+
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Multi display
• Obdii fuse 7.5a
• Op1
• Op2
• Op3
• Pnk
• Sil
• Transponder key computer (behind upper left side of dash)
• Wfse

COOLING FAN

Cooling Fan Wiring Diagram for Toyota Prius 2003

List of elements for Cooling Fan Wiring Diagram for Toyota Prius 2003:

• (behind upper left center of dash)
• A/c amplifier (behind center of dash)
• A/c condenser fan motor (on left front of engine compt)
• A/c triple pressure switch (on left front of engine compt, behind bumper fascia)
• A11
• Cds fan fuse 30a
• Ecu-ig fuse 5a
• Engine control module (behind right end of dash)
• Engine controls system
• Engine coolant temperature sensor (on rear of cylinder head)
• Engine room j/b (on left side of engine compt)
• Fan
• Fan relay
• Hot at all times
• Hot in on or start
• I7 (in dash harness, behind right side of dash)
• Ie (above left kick panel)
• Instrument panel j/b (behind left end of dash)
• J10
• J12
• J27
• Junction connector 1 (behind left end of dash, near base of "a" pillar)
• Junction connector 27, junction connector 28 j28
• Junction connector 7 (below right end of dash)
• Radiator fan motor
• Rdi fuse 30a
• Single
• Thw
• Water temperature switch (on lower right front of engine compt)

CRUISE CONTROL

Cruise Control Wiring Diagram for Toyota Prius 2003

List of elements for Cruise Control Wiring Diagram for Toyota Prius 2003:

• (above brake pedal, on bracket) stoplight switch
• +b1
• +b2
• Acc
• Accel position sensor (behind upper left side of dash)
• B11
• Batt
• Brake ecu (behind left center of dash)
• Bth+
• Bth-
• C10
• C11
• Cancel
• Ccs
• Combination meter
• Combination switch
• Computer data lines system
• Cruise
• Cruise control switch
• Cruise ind
• Dome fuse 15a
• E10
• Ecc
• Engine control module (behind right end of dash)
• Engine room j/b (on left side of engine compt)
• Engine room r/b 2 (on rear of engine compt)
• Eom
• Ep1
• Ep2
• Estp
• Eth+
• Eth-
• F11
• Gauge fuse 10a
• Gnd1
• Gnd2
• H12
• H13
• H14
• Hot at all times
• Hot in on or start
• Htb+
• Htb-
• Hte+
• Hte-
• Hv fuse 20a
• Hvi+
• Hvi-
• Hvo+
• Hvo-
• Hybrid vehicle control ecu (behind right side of dash, forward of glove box)
• I4 (in dash harness, behind center of dash)
• Id (above left kick panel)
• Ie (above left kick panel)
• Ig (above right kick panel)
• Ig2
• Igct relay
• Ignition switch
• Igsw
• Instrument panel j/b (behind left end of dash)
• J18
• J19
• J22
• J23
• J24
• J25
• J27
• J28
• Junction connector 1 (behind left end of dash)
• Junction connector 11 (behind left end of dash, near base of "a" pillar)
• Junction connector 14 (behind upper right side of dash)
• Junction connector 17 (behind upper right side of dash)
• Junction connector 18 & 19 (behind right end of dash)
• Junction connector 18 (behind right end of dash)
• Junction connector 2 & 3 (behind upper left end of dash)
• Junction connector 21 (behind right end of dash)
• Junction connector 22& 23 (behind upper left side of dash)
• Junction connector 24 & 25 (behind upper left center of dash)
• Junction connector 27 & 28 (behind upper left center of dash)
• Lock
• Mpx1
• Mpx2
• Mrel
• Nca
• Park/neutral position switch (behind left side of dash)
• Pnk
• Red
• Res/ acc
• Set/ coast
• Spdi
• Spdo
• Sphv
• St1-
• Start
• Stop fuse 15a
• Stp
• Vcp1
• Vcp2
• Vpa1
• Vpa2

DEFOGGERS

Defoggers Wiring Diagram for Toyota Prius 2003

List of elements for Defoggers Wiring Diagram for Toyota Prius 2003:

• (behind center of dash)
• A/c amplifier
• Body ecu (on right side of instrument panel j/b)
• C11
• Combination meter
• Def
• Def fuse 40a
• Def relay
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• Instrument panel j/b (behind left end of dash)
• Mpx
• Mpx+
• Mpx-
• Noise filter (rear window defogger) (on left ``c" pillar)
• Psg
• Rear window defogger
• Rear window defogger switch
• Sw rdef

ELECTRONIC POWER STEERING

Electronic Power Steering Wiring Diagram for Toyota Prius 2003

List of elements for Electronic Power Steering Wiring Diagram for Toyota Prius 2003:

• B11
• Brake ecu (behind left center of dash)
• C10
• Combination meter
• Data link connector (dlc) 3 (behind lower left side of dash)
• Dc motor (on center rear of engine compt)
• Ecu-b fuse 7.5a
• Ecu-ig fuse 5a
• Emps ecu (behind right end of dash)
• Emps fuse 50a
• Emps relay
• Engine room r/b 3 (on right rear of engine compt)
• Gnd
• Hot at all times
• Hot in on or start
• I7 (in dash harness, behind right side of dash)
• Instrument panel j/b (behind left end of dash)
• J/c 14 & 15 (behind upper right side of dash)
• J/c 16 (behind upper right side of dash)
• J/c 17 (behind upper right side of dash)
• J/c 18 & 19 (behind right end of dash)
• J/c 22 (behind upper left side of dash)
• J/c 26 (behind upper left center of dash)
• J14
• J15
• J18
• J19
• Nca
• Pgnd
• Pig
• Red
• Rlo
• Rly
• Rro
• Sil
• Steering shaft torque sensor (on rear of engine compt)
• Trq1
• Trq2
• Trqg
• Trqv
• Vcc
• Vt1
• Vt2
• Wrl
• Wrr

ENGINE PERFORMANCE

Hybrid System Wiring Diagram (1 of 3) for Toyota Prius 2003

List of elements for Hybrid System Wiring Diagram (1 of 3) for Toyota Prius 2003:

• (right side of dash)
• (right side of dash) j/c 8, j/c 9
• As1
• As1g
• Battery input relay (left rear of luggage compt)
• C10
• C11
• Cbi
• Cei
• Charge
• Circuit breaker sensor (left side of engine compt)
• Combination meter
• Compt) m3
• Computer data lines system
• Con1
• Con2
• Cvrsw
• Engine room r/b 2 (rear of engine compt)
• G-finv
• G-ginv
• G-invt
• G-iva
• G-ivb
• G-iwa
• G-iwb
• G-sdn
• G-sinv
• G-uu
• G-vu
• G-wu
• G1t
• Gauge fuse 10a
• Gcs
• Gcsg
• Gfiv
• Giva
• Givb
• Givg
• Giwa
• Giwb
• Gmt
• Gmtg
• Gnd
• Grf
• Grfg
• Gsdn
• Gsiv
• Gsn
• Gsng
• Guu
• Gvu
• Gwu
• H10
• H11
• H12
• Hot at all times
• Hybrid vehicle control ecu (behind right side of dash, forward of glove box)
• I10
• I11
• I12
• I13
• I14
• Igct
• Igct relay
• Ih (right kick panel)
• Instrument panel j/b (left end of dash)
• Inverter (left side of engine compt)
• J/c 1 (left end of dash)
• J/c 27, j/c 28 (upper left center j28
• J/c 7 (right end of dash)
• J27
• M-finv
• M-ginv
• M-invt
• M-iva
• M-ivb
• M-iwa
• M-iwb
• M-sdn
• M-sinv
• M-uu
• M-vu
• M-wu
• Mcs
• Mcsg
• Mfiv
• Mit
• Miva
• Mivb
• Mivg
• Miwa
• Miwb
• Mmt
• Motor generator 1 (left front of engine compt)
• Motor generator 2 (left front of engine mrf
• Mrel
• Mrf
• Mrfg
• Msdn
• Msiv
• Msn
• Msng
• Muu
• Mvu
• Mwu
• Nca
• Nmtg
• Nodd
• Of dash)
• Output control
• Pnk
• Red
• Spdi

Hybrid System Wiring Diagram (2 of 3) for Toyota Prius 2003

List of elements for Hybrid System Wiring Diagram (2 of 3) for Toyota Prius 2003:

• (above left rear wheelwell) hybrid vehicle battery
• (left center of dash) j/c 24, j/c 25
• (left side of luggage compt) battery blower motor controller
• (right side of dash)
• Acc
• Am2 fuse 15a
• B17
• B18
• Batt fan fuse 10a
• Battery blower motor (left side of luggage compt)
• Battery ecu (above left rear wheelwell)
• Battery fan relay (behind left taillight)
• Bi (left "c" pillar)
• Bj (right "c"
• Busbar module
• Engine room j/b (left side of engine compt)
• F11
• G11
• H16
• H17
• Hot at all times
• Hv fuse 20a
• Hybrid battery
• Ig2 relay
• Ignition switch
• Instrument panel j/b (left end of dash)
• J/c 11 (left end of dash)
• J/c 32, j/c 33 (above left rear wheelwell)
• J24
• J25
• J32
• J33
• Lock
• Pillar)
• Pnk
• Red
• S10
• S11
• S12
• Sensor
• Service plug
• Start
• Stop fuse 15a
• Stop light switch
• System main relay (left rear wheelwell)
• Water pump motor (inverter) (below left headlamp)

Hybrid System Wiring Diagram (3 of 3) for Toyota Prius 2003

List of elements for Hybrid System Wiring Diagram (3 of 3) for Toyota Prius 2003:

• (behind left side of dash) park/neutral position switch
• (left center of dash) j/c 24, j/c 25
• (left end of dash) j/c 2, j/c 3
• (left rear of engine compt) converter
• (left rear wheelwell)
• (left side of dash) j/c 22, j/c 23
• (right side of dash)
• +b1
• +b2
• A j19
• A/c amplifier
• Abfs
• Accelerator position sensor (behind upper
• Air bag sensor assembly
• Amd
• Batt
• Brake ecu (behind center of dash)
• Bth+
• Bth-
• Ccs
• Computer data lines system
• Con3
• Cruise control system
• Data link connector 3 (behind lower left side of dash)
• Dc/dc fuse 100a
• Dc/dc-s fuse 5a
• Dth+
• Dth-
• E10
• Engine control module (right end of dash)
• Eom
• Ep1
• Ep2
• Estp
• Eth+
• Eth-
• Fcvc
• Fusible link block 1 (left side of engine compt)
• Fusible link block 2 (behind left rear wheelwell)
• Gnd1
• Gnd2
• Gsft
• H13
• H14
• Hai
• Hao
• Hot at all times
• Htb+
• Htb-
• Htd+
• Htd-
• Hte+
• Hte-
• Hybrid vehicle control ecu (behind right side of dash, forward of glove box)
• Idh
• Igct
• Igsw
• Ilk
• Interlock switch
• J/c 16 (right side of dash)
• J/c 17 (right side of dash)
• J/c 18, j/c 19 (right end of dash)
• J/c 21 (right end of dash)
• J/c 22, j/c 23 (left side of dash)
• J/c 26 (left center of dash)
• J18
• J19
• J22
• J23
• J24
• J25
• Left side of dash)
• Mcs
• Mcsg
• Mmt
• Mrf
• Mrfg
• Msn
• Msng
• Nca
• Nmtg
• Nodd
• Pnk
• Red
• Sft
• Sil
• Spdo
• St-
• St2
• Stp
• Transponder key computer (upper left side of dash)
• Vcp1
• Vcp2
• Vpa1
• Vpa2
• Vsft
• Wfse

1.5L

1.5L, Engine Controls Wiring Diagram (1 of 3) for Toyota Prius 2003

List of elements for 1.5L, Engine Controls Wiring Diagram (1 of 3) for Toyota Prius 2003:

• #10
• #20
• #30
• #40
• (rear of engine)
• +bm
• A10
• Acc
• Am2 fuse 15a
• Batt
• Camshaft timing oil control valve (front of cylinder head)
• Cir relay
• Cooling fans system
• E01
• E02
• E03
• E4 (rear of engine)
• Ea (rear of engine block)
• Eb (rear of engine block)
• Efi fuse 15a
• Efi relay
• Engine control module (behind right end of dash)
• Engine room j/b (left side of engine compt)
• Evg
• Evp1
• F12
• F13
• Fan
• Fuel injector
• G11
• Ge01
• Hot at all times
• I7 (behind right side of dash)
• Ig2 relay
• Igf
• Ignition coil & ignitor 1 (top of cylinder head)
• Ignition coil & ignitor 2 (top of cylinder head)
• Ignition coil & ignitor 3 (top of cylinder head)
• Ignition coil & ignitor 4 (top of cylinder head)
• Ignition switch
• Igt1
• Igt2
• Igt3
• Igt4
• Instrument panel j/b (behind left end of dash)
• J/c 24, j/c 25 (upper left j25 center of dash)
• J24
• Knk1
• Knock sensor (left side of engine)
• Lock
• Me01
• Mops
• Nca
• Ne+
• Ne-
• Noise filter (left rear of engine)
• Ocv+
• Ocv-
• Pnk
• Red
• Side of engine)
• Start
• Tha
• Thro fuse 15a
• Throttle control motor (left
• Thw
• Vsv (evap) (right side of engine compt)
• Vta
• Vta2

1.5L, Engine Controls Wiring Diagram (2 of 3) for Toyota Prius 2003

List of elements for 1.5L, Engine Controls Wiring Diagram (2 of 3) for Toyota Prius 2003:

• (left front of engine) (hc absorber & catalyst system) vacuum sensor
• (left side of engine) oil pressure switch
• (lower right side of dash) j/c 8, j/c 9
• (on throttle body) throttle position sensor
• (rear of cylinder head) engine coolant temperature sensor
• (under left rear of vehicle) vapor pressure sensor
• Camshaft position sensor (rear of cylinder head)
• Crankshaft position sensor (lower left front of engine)
• Eb (rear of engine block)
• Fuel pump
• I7 (behind right side of dash)
• J/c 1 (left end of dash)
• J/c 17 (behind upper right side of dash)
• J/c 7 (right end of dash)
• J/c 8, j/c 9 (lower right side of dash)
• Mass air flow meter (left side of engine)
• Nca
• Pnk
• Red

1.5L, Engine Controls Wiring Diagram (3 of 3) for Toyota Prius 2003

List of elements for 1.5L, Engine Controls Wiring Diagram (3 of 3) for Toyota Prius 2003:

• (behind right end of dash) j/c 18
• (behind right side of dash, forward of glove box) hybrid vehicle control ecu
• (lower left side of dash) data link connector 3
• (under center rear of vehicle) vsv (purge switching valve)
• (under left rear of vehicle) vsv (canister closed valve)
• (upper
• A/c amplifier
• Act
• Ambient temperature sensor (behind
• C10
• C11
• Ccv
• Combination meter
• Computer data lines system
• E10
• E11
• Engine control module (behind right end of dash)
• Estp
• Eth+
• Eth-
• Gauge fuse 15a
• H12
• H14
• Hcc
• Hcls
• Heated oxygen sensor (bank 1, sensor 2) (below vehicle, on exhaust)
• Hot in on or start
• Ht1a
• Ht1b
• Hte-
• Igsw
• Instrument panel j/b (behind left end of dash)
• J/c 16 (upper right side of dash)
• J/c 17 (behind upper right side of dash)
• J/c 22 (upper left side of dash)
• J/c 22, j/c 23 (upper
• J/c 26 (upper left center of dash)
• J/c 27, j/c 28 (upper left center j27 of dash)
• J22
• J23
• J28
• Left end of dash) j/c 4, j/c 5
• Left front bumper)
• Left side of dash)
• Malfunction indicator lamp
• Mpx1
• Mpx2
• Mrel
• Nca
• Neo
• Ox1a
• Ox1b
• Pnk
• Ptnk
• Sil
• Spd
• Sphv
• Tam
• Tbp
• Vsv (hc absorber & catalyst system (right front of engine compt)

EXTERIOR LIGHTS

Back-up Lamps Wiring Diagram for Toyota Prius 2003

List of elements for Back-up Lamps Wiring Diagram for Toyota Prius 2003:

• A/c amplifier (behind center of dash)
• B j32
• Back- up light
• Back-up light relay (behind right side of dash, forward of glove box)
• Bi (on left "c" pillar)
• Bk (below center rear of trunk)
• Body ecu (on right side of instrument panel j/b)
• C10
• C11
• Combination meter
• E10
• Engine control module (behind right end of dash)
• Gateway ecu (behind upper center of dash)
• Gauge fuse 10a
• H14
• Hot in on or start
• Hte+
• Hte-
• Hybrid vehicle control ecu (behind right side of dash, forward of glove box)
• Ih (behind right kick panel)
• Instrument panel j/b (behind left end of dash)
• J/c 11 (behind left end of dash, near base of "a" pillar)
• J/c 17 (behind upper right side of dash)
• J/c 18 (behind right end of dash)
• J/c 22 (behind upper left side of dash)
• J/c 24 (behind upper left center of dash)
• J/c 27 & 28 (behind upper left center of dash)
• J/c 30 & 31 (left rear of vehicle, above left rear wheelwell)
• J/c 32 & 33 (left rear of vehicle, above left rear wheelwell)
• J27 d
• J28 b
• J30
• J30 b
• J31 b
• J33
• Left rear combination light
• Mpd1
• Mpd2
• Mpx+
• Mpx-
• Mpx1
• Mpx2
• Mpx2+
• Navigation ecu (near base of left "c" pillar)
• Nca
• Park/ neutral position switch (behind left side of dash)
• Rev
• Right rear combination light

Exterior Lamps Wiring Diagram for Toyota Prius 2003

List of elements for Exterior Lamps Wiring Diagram for Toyota Prius 2003:

• (behind upper left center of dash) j/c 12 & 13
• (behind upper left end of dash) j/c 4 & 5
• (behind upper left end of dash, near base of "a" pillar) turn signal flasher relay
• (left rear of vehicle, above left rear wheelwell) j/c 30 & 31
• (left rear of vehicle, above left rear wheelwell) j/c 32 & 33
• B j32
• Bi (on left "c" pillar)
• Bk (below center rear of trunk)
• Body ecu (on right side of instrument panel j/b)
• C10
• C13
• Combin- ation switch
• Combination meter
• Dc/dc fuse 100a
• E1 (in engine compt harness, at right rear side of engine compt)
• Engine room j/b (on left side of engine compt)
• F11
• Fusible link block 1 (on left side of engine compt)
• Gauge fuse 10a
• Haz
• Hazard switch (hazard warning switch)
• Head
• High mounted stop light
• Hot at all times
• Hot in on or start
• Ih (behind right kick panel)
• Instrument panel j/b (behind left end of dash)
• J/c 1 (behind left end of dash, near base of "a" pillar)
• J/c 11 (behind left end of dash, near base of "a" pillar)
• J/c 14 (behind upper right side of dash)
• J/c 17 (behind upper right side of dash)
• J/c 18 (behind right end of dash)
• J/c 20 (behind upper left center of dash)
• J/c 22 & 23 (behind upper left side side of dash)
• J/c 24 (behind upper left center of dash)
• J/c 32 & 33 (left rear of vehicle, above left rear wheelwell)
• J/c 4 (behind upper left end of dash)
• J/c 7 (below right end of dash)
• J12
• J13
• J22
• J23
• J30
• J31
• J32
• J32 a
• J33
• J33 a
• K10
• Left
• Left front parking light
• Left front side marker light
• Left front turn signal light
• Left license plate light
• Left rear combin- ation light
• Light control switch
• Off
• Right
• Right front parking light
• Right front side marker light
• Right front turn signal light
• Right license plate light
• Right rear combin- ation light
• Stop
• Stop fuse 15a
• Stoplight switch (above brake pedal, on bracket)
• Tail
• Tail fuse 7.5a
• Tail relay
• Trly
• Turn
• Turn signal indicator lights
• Turn signal switch
• Turn- haz fuse 10a

GROUND DISTRIBUTION

Ground Distribution Wiring Diagram (1 of 3) for Toyota Prius 2003

List of elements for Ground Distribution Wiring Diagram (1 of 3) for Toyota Prius 2003:

• A/c triple pressure switch
• B10
• Blower motor linear controller
• Brake ecu
• Brake fluid level warning switch
• Data link connector
• Drl relay
• E01
• E02
• E03
• E1 (engine harn, right rear of engine compt)
• E3 (engine harn, rear of engine)
• E5 (engine harn, left rear of engine compt)
• Ea (engine block)
• Eb (engine block)
• Ec (left side of engine compt)
• Efi relay
• Engine control module
• Engine hood courtesy switch
• Engine room j/b
• Engine room r/b 2
• Engine room r/b 3
• Fan 2 relay
• Front wiper motor
• G202
• Gnd
• Gnd1
• Gnd2
• Htr relay
• Hydraulic booster
• I12
• Ig2 relay
• Igct relay
• Ignition coil & igniter
• Inverter
• J/c 1 (left end of dash)
• J/c 7 (below right end of dash)
• J/c 8, j/c 9 (behind lower right j9 side of dash)
• Left front parking light
• Left front side marker light
• Left front turn signal light
• Me01
• Ptc heater
• Radiator fan motor
• Right front parking light
• Right front side marker light
• Right front turn signal light
• Water pump motor (a/c)
• Water pump motor (inverter)
• Water temper- ature switch

Ground Distribution Wiring Diagram (2 of 3) for Toyota Prius 2003

List of elements for Ground Distribution Wiring Diagram (2 of 3) for Toyota Prius 2003:

• A/c amplifier
• A18
• Acc relay
• Air bag sensor assembly
• B11
• B3 (body harn, in right rear door)
• Bl (near fuel tank)
• Body ecu
• Brake ecu
• C12
• C13
• Cigarette lighter
• Combination switch
• Cruise control switch
• Data link connector
• Daytime running light relay
• Ecc
• Emps ecu
• Eom
• Front wiper & washer switch
• Fuel pump
• Gateway ecu
• Gnd
• Gnd1
• Gnd2
• Gnd3
• Gnd4
• H13
• H14
• Hazard warning switch
• Hybrid vehicle control ecu
• Ig2 relay
• Instrument panel j/b
• J/c 10 (on left end of dash)
• J/c 11 (behind left end of dash)
• J/c 17 (behind upper right side of dash)
• J/c 18, j/c 19 (behind right end of dash)
• J/c 21 (behind right end of dash)
• J/c 22, j/c 23 (behind upper left side of dash)
• J/c 24, j/c 25 (behind upper left center of dash)
• J18
• J19
• J22
• J23
• J24
• J25
• Key interlock solenoid
• Left buckle switch & tension reducer
• Left front door lock unit
• Light control rheostat
• Park/ neutral position switch
• Pgnd
• Power window master switch
• Ptc heater
• Remote control mirror switch
• Right buckle switch & seat belt warning occupant detection sensor
• Right front door lock control switch
• Right front door lock unit
• Right front power window control switch
• Right rear door lock unit
• Right rear power window control switch
• Shift lock ecu
• Transponder key computer
• Turn signal flasher relay
• Turn signal switch
• Unlock warning switch
• Wireless door control receiver

Ground Distribution Wiring Diagram (3 of 3) for Toyota Prius 2003

List of elements for Ground Distribution Wiring Diagram (3 of 3) for Toyota Prius 2003:

• A18
• Air bag sensor assembly
• B1 (body harn, in left rear door)
• B17
• Battery ecu
• Battery fan relay
• Battery input relay
• Battery motor blower controller
• Bi (left side of rear pillar)
• Bj (right side of rear pillar)
• Bk (center of back panel)
• C10
• Combination meter
• High mounted stop- light
• If (left kick panel)
• Ih (right kick panel)
• Instrument panel j/b
• J/c 32, j/c 33 (left rear of vehicle, above left rear wheelwell)
• J32
• J33
• Left license plate light
• Left rear combination light
• Left rear door lock unit
• Left rear power window control switch
• Luggage compartment door unlock switch
• Multi- display
• Navigation ecu
• Personal light
• Radio & player
• Right license plate light
• Right rear combination light
• System main relay

HEADLIGHTS

Headlights Wiring Diagram, with DRL for Toyota Prius 2003

List of elements for Headlights Wiring Diagram, with DRL for Toyota Prius 2003:

• (above left kick panel) id
• A10
• Body ecu (on right side of instrument panel j/b)
• C10
• Chg-
• Combination meter
• Combination switch
• Daytime running light relay (behind upper left side of dash)
• Dim
• Dim relay
• Dimmer switch
• Diode (drl) (behind right end of dash)
• Dome fuse 15a
• Drl
• Drl fuse 7.5a
• Drl relay
• E2 (in engine compt harness, inside engine room r/b 3)
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• Engine room r/b 3 (on right rear of engine compt)
• Flash
• Gauge fuse 10a
• H-lp
• Head
• Head fuse 30a
• Head hi (left) 10a
• Head hi (right) 10a
• Head indicator
• Head lo (left) 10a
• Head lo (right) 10a
• Head relay
• High
• High beam indicator
• Hot at all times
• Hot in on or start
• Hrly
• Ie (above left kick panel)
• Ig (above right kick panel)
• Ih (behind right kick panel)
• Ind
• Instrument panel j/b (behind left end of dash)
• J12 e
• J13 e
• J27 f
• J28 h
• Junction connector 1 (behind left end of dash, near base of "a" pillar)
• Junction connector 11 (behind left end of dash, near base of "a" pillar)
• Junction connector 12 & 13 (behind upper left center of dash)
• Junction connector 17 (behind upper right side of dash)
• Junction connector 20 (behind upper left center of dash)
• Junction connector 27 & 28 (behind upper left center of dash)
• K10
• Left headlight
• Light control switch
• Low
• Off
• Parking brake switch (at base of parking brake lever)
• Pkb
• Rdy
• Red
• Right headlight
• Tail

Headlights Wiring Diagram, without DRL for Toyota Prius 2003

List of elements for Headlights Wiring Diagram, without DRL for Toyota Prius 2003:

• A10
• Body ecu (on right side of instrument panel j/b)
• C10
• Combination meter
• Combination switch
• D j5
• Dimmer switch
• Dome fuse 15a
• E j4
• E j5
• Engine room j/b (on left side of engine compt)
• F j4
• F12
• F13
• F18
• Flash
• Fusible link block 1 (on left side of engine compt)
• Fusible link block 2 (behind left rear wheelwell, in luggage compartment)
• Head
• Head (left) 10a
• Head (right) 10a
• Head indicator
• Head relay
• High
• High beam indicator
• Hot at all times
• Hrly
• Ih (behind right kick panel)
• Instrument panel j/b (behind left end of dash)
• J12 f
• J13 d
• Junction connector 12 & 13 (behind upper left center of dash)
• Junction connector 17 (behind upper right side of dash)
• Junction connector 20 (behind upper left center of dash)
• Junction connector 4 & 5 (behind upper left end of dash)
• Left headlight
• Light control switch
• Low
• Main fuse 120a
• Off
• Red
• Right headlight
• Short pin
• Tail

HORN

Horn Wiring Diagram for Toyota Prius 2003

List of elements for Horn Wiring Diagram for Toyota Prius 2003:

• (on left side of engine compt)
• Body ecu (on right side of instrument panel j/b)
• Combination switch
• Engine room j/b
• Horn
• Horn fuse 10a
• Horn relay
• Horn switch
• Hot at all times
• Junction connector 20 (behind upper
• Left center
• Of dash)
• Theft deterrent horn (behind right headlight)

INSTRUMENT CLUSTER

Instrument Cluster Wiring Diagram for Toyota Prius 2003

List of elements for Instrument Cluster Wiring Diagram for Toyota Prius 2003:

• (behind left end of dash) instrument panel j/b
• (near base of left ``c" pillar) navigation ecu
• A10
• A11
• A12
• A13
• A14
• A15
• A16
• A17
• A18
• A19
• A20
• A21
• A22
• Abs ind
• Acc fuse 10a
• Anti-lock brakes system
• B10
• Body ecu (on right side of instrument panel j/b)
• Brake ind
• Buzzer
• C10
• C11
• Charge ind
• Combination meter
• Computer data lines system
• Cruise ind
• Dome fuse 15a
• Door ind
• E10
• Ecu-b fuse 7.5a
• Electronic power steering system
• Engine control module (behind right end of dash)
• Engine controls system
• Engine room j/b (on left side of engine compt)
• Exterior lights system
• Fu+
• Fu-
• Fua
• Fuel pump & fuel sender (under rear of vehicle, in fuel tank)
• Fuel sender
• Gauge fuse 10a
• H12
• Head ind
• Headlights system
• High beam ind
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Hybrid vehicle control ecu (behind right side of dash, forward of glove box)
• Ih (behind right kick panel)
• Instrument panel j/b (behind left end of dash)
• Interior lights system
• J/c 27 & 28 (behind upper left center of dash)
• J27
• J28
• Junction connector 26 (behind upper left center of dash)
• Junction connector 27 (behind upper left center of dash)
• Left turn ind
• Malfunction ind lamp
• Mpx+
• Mpx-
• Multi display
• Odo
• Odo/trip switch (hazard warning switch)
• Oil ind
• Output control ind
• Right turn ind
• Seat belt ind (driver's)
• Seat belt ind (front passenger's)
• Sensor
• Spd
• Spdi
• Srs ind
• Vfd
• Water temperature ind (high)
• Water temperature ind (low)

INTERIOR LIGHTS

Courtesy Lamps Wiring Diagram for Toyota Prius 2003

List of elements for Courtesy Lamps Wiring Diagram for Toyota Prius 2003:

• Bi (on left "c" pillar)
• Body ecu
• C10
• C11
• Combination meter
• Computer data lines system
• Dcty
• Dome fuse 15a
• Door
• Door ind
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• Hot at all times
• Ih (behind right kick panel)
• Instrument panel j/b (behind left end of dash)
• Interior light
• J12
• J13
• J30 d
• J30 e
• J31 d
• J31 e
• Junction connector 30 & 31 (left rear of vehicle, above left rear wheelwell)
• Junction connector 33 (left rear of vehicle, above left rear wheelwell)
• Junction connector 11 (behind left end of dash, near base of "a" pillar)
• Junction connector 12 & 13 (behind upper left center of dash)
• Junction connector 16 (behind upper right side of dash)
• Junction connector 27 (behind upper left center of dash)
• Junction connector 30 & 31 (left rear of vehicle, above left rear wheelwell)
• Lcty
• Left front door courtesy switch
• Left rear door courtesy switch
• Luggage compartment light
• Luggage compartment light switch
• Mpx+
• Mpx-
• Off
• Pcty
• Personal light
• Rcty
• Red
• Right front door courtesy switch
• Right rear door courtesy switch

Instrument Illumination Wiring Diagram for Toyota Prius 2003

List of elements for Instrument Illumination Wiring Diagram for Toyota Prius 2003:

• Ashtray illumination
• Body ecu (on right side of instrument panel j/b)
• C10
• C11
• Center cluster switch
• Combination meter
• Dc/dc fuse 100a
• Dome fuse 15a
• Engine room j/b (on left side of engine compt)
• F j28
• F11
• Fusible link block 1 (on left side of engine compt)
• Hazard warning switch
• Head
• Hot at all times
• If (behind left kick panel)
• Ih (behind right kick panel)
• Ill-
• Instrument panel j/b (behind left end of dash)
• J27 h
• J28 f
• Junction connector 11 (behind left end of dash, near base of "a" pillar)
• Junction connector 17 (behind upper right side of dash)
• Junction connector 21 (behind right end of dash)
• Junction connector 27 & 28 (behind upper left center of dash)
• Light control rheostat
• Light control switch (combination switch)
• Multi- display
• Off
• Panel fuse 5a
• Radio & player
• Tail
• Taillight relay
• Trly

NAVIGATION

Navigation Wiring Diagram for Toyota Prius 2003

List of elements for Navigation Wiring Diagram for Toyota Prius 2003:

• (behind center of dash)
• +b1
• Acc
• Acc fuse 10a
• Aui+
• Aui-
• Auo+
• Auo-
• Back-up light relay (behind right side of dash, forward of glove box)
• C10
• C11
• Center cluster switch
• Combination meter
• Data link connector (dlc) 3 (behind lower left side of dash)
• Dome fuse 15a
• Ecu-ig fuse 5a
• Engine room j/b (on left side of engine compt)
• Fl+
• Fl-
• Gateway ecu (behind upper center of dash)
• Gauge fuse 10a
• Gnd
• Gnd1
• Gtx+
• Gtx-
• Hot at all times
• Hot in acc or on
• Hot in on or start
• If (behind left kick panel)
• Ih (behind right kick panel)
• Instrument panel j/b (behind left end of dash)
• J/c 12 & 13 (behind upper left center of dash)
• J/c 14 (behind upper right side of dash)
• J/c 21 (behind right end of dash)
• J/c 24 & 25 (behind upper left center of dash)
• J/c 26 (behind upper left center of dash)
• J/c 27 & 28 (behind upper left center of dash)
• J/c 27 (behind upper left center of dash)
• J12
• J13
• J24
• J25
• J27
• J28
• Left "c" pillar)
• Left front door speaker
• Multi-display
• Navigation ecu (near base of
• Nca
• Parking brake switch (at base of parking brake lever)
• Pkb
• Pnk
• Radio & player
• Red
• Rev
• Spd
• Sync
• Tx+
• Tx-
• Tx1+
• Tx1-
• Tx3+
• Tx3-

PASSIVE RESTRAINTS

Passive Restraints Wiring Diagram for Toyota Prius 2003

List of elements for Passive Restraints Wiring Diagram for Toyota Prius 2003:

• Buckle switch (left) & tension reducer (under right side of driver's seat)
• Ecu-ig fuse 5a
• Hot in on or start
• Id (above left kick panel)
• Instrument panel j/b (behind left end of dash)
• J/c 11
• J/c 22 & 23 (behind upper
• J/c 24 (behind upper left center of dash)
• J22
• J23
• Left side of dash)
• Tension reducer solenoid (at base of left "b" pillar)

POWER DISTRIBUTION

Power Distribution Wiring Diagram (1 of 2) for Toyota Prius 2003

List of elements for Power Distribution Wiring Diagram (1 of 2) for Toyota Prius 2003:

• (on left side of engine compt) engine room j/b
• Abs 1 fuse 40a
• Abs 2 fuse 30a
• Abs 3 fuse 20a
• Abs 4 fuse 10a
• Abs system
• Air conditioning system
• Am2 fuse 15a
• Batt fan fuse 10a
• Battery
• Cds fan fuse 30a
• Cigarette lighter
• Dc/dc fuse 100a
• Dc/dc-s fuse 5a
• Dim relay
• Dome fuse 15a
• Drl fuse 7.5a
• Efi fuse 15a
• Electronic power steering system
• Emps fuse 50a
• Engine controls system
• Engine room j/b (on left side of engine compt)
• Engine room r/b 3 (on right rear of engine compt)
• Exterior lights system
• F10
• F11
• F12
• F13
• F17
• Fan 1 relay
• Fan 3 relay
• From cig fuse f (diagram 2 of 2)
• From dc/dc fuse a (diagram 1 of 2)
• From dc/dc fuse c (diagram 1 of 2)
• Fusible link block 1 (on left side of engine compt)
• Fusible link block 2 (behind left rear wheelwell in luggage compt) f18
• Head fuse 30a (w/ drl)
• Head relay
• Headlights system (w/ drl)
• Headlights system (w/o drl)
• Headlights system, interior lights system, warning systems, door locks system, anti-theft system, sound systems, navigation system, instrument cluster system
• Horn fuse 10a
• Horn relay
• Htr 1 fuse 30a
• Htr 2 fuse 30a
• Htr 3 fuse 50a
• Htr fuse 50a
• Htr relay
• Hv fuse 20a
• J/c 11 (behind left end of dash)
• J11
• Lh head fuse 10a
• Lh hi head fuse 10a
• Lh lo head fuse 10a
• Main fuse 120a
• Nca
• Rdi fuse 30a
• Red
• Rh head fuse 10a
• Rh hi head fuse 10a
• Rh lo head fuse 10a
• Short pin (w/ drl)
• Short pin (w/o drl)
• Thro fuse 15a
• To abs 1 fuse (diagram 1 of 2)
• To cds fan fuse (diagram 1 of 2)
• To instrument panel j/b (diagram 2 of 2)
• To power fuse (diagram 2 of 2)
• Turn- haz fuse 10a

Power Distribution Wiring Diagram (2 of 2) for Toyota Prius 2003

List of elements for Power Distribution Wiring Diagram (2 of 2) for Toyota Prius 2003:

• (behind left end of dash) instrument panel j/b
• (not used)
• Acc
• Acc fuse 10a
• Acc relay
• Air condit- ioning system
• Air conditioning system
• Am1
• Am1 fuse 5a
• Am2
• Anti-theft system, headlights system, interior lights system, exterior lights system, warning systems, body computer system, door locks system, gateway ecu, air conditioning system
• Body ecu
• Cig fuse 15a
• Computer data lines system, body computer system
• Def fuse 40a
• Def relay
• Door fuse 30a
• Ecu- b fuse 7.5a
• Ecu- ig fuse 5a
• Electronic power steering system
• Engine controls system
• Engine controls system, anti-theft system
• Engine controls system, exterior lights system, shift interlock system, abs system
• Engine controls system, warning systems, abs system, instrument cluster system
• Exterior lights system
• From am1 fuse e (diagram 2 of 2)
• From am2 fuse d (diagram 1 of 2)
• From dc/dc fuse b (diagram 1 of 2)
• Gauge fuse 10a
• Headlights system, exterior lights system, power windows system
• Htr fuse 10a
• Ig1
• Ig1 relay
• Ig2
• Ignition switch
• Instrument panel j/b (behind left end of dash)
• Interior lights system
• J/c 11 (behind left end of dash)
• J11
• K10
• Lock
• Obdii fuse 7.5a
• Panel fuse 5a
• Power fuse 30a
• Power relay
• Power windows system
• Pwr1 fuse 20a
• Red
• Run
• Shift interlock system, navigation system, gateway ecu, passive restraints system, electronic power steering system, abs system, cooling fans system
• Srs acc fuse 10a
• St1
• St2
• Start
• Stop fuse 15a
• Tail fuse 7.5a
• Tail relay
• To cigarette lighter (diagram 1 of 2)
• To ignition switch (diagram 2 of 2)
• Washer fuse 15a
• Wiper fuse 30a
• Wiper/ washer system

POWER DOOR LOCKS

Power Door Locks Wiring Diagram (1 of 2) for Toyota Prius 2003

List of elements for Power Door Locks Wiring Diagram (1 of 2) for Toyota Prius 2003:

• (behind upper left center of dash) junction connector 27
• (behind upper left side of dash) junction connector 22 & 23
• (on left "c" pillar) bi
• Act+
• Act-
• Actd
• Body ecu
• Control switch
• Dcty
• Dome fuse 15a
• Door fuse 30a
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• Gauge fuse 10a
• Hot at all times
• Hot in run or start
• Id (above left kick panel)
• Ig (above right kick panel)
• Instrument panel j/b (behind left end of dash)
• J14
• J15
• J18
• J19
• J22
• J23
• J24
• J25
• Junction connector 11
• Junction connector 14 & 15 (behind upper right side of dash)
• Junction connector 17
• Junction connector 18 & 19 (behind a right end of dash)
• Junction connector 23 (behind upper left side of dash)
• Junction connector 24 & 25 (behind upper j24
• Junction connector 27 (behind upper left center of dash)
• Ksw
• Left center of dash)
• Left rear door lock motor & door unlock detection switch
• Lock
• Lsr
• Lswp
• Lug
• Pcty
• Prg
• Rcty
• Rda
• Red
• Right front door lock
• Right rear door lock motor & door unlock detection switch
• Ul1
• Ul2
• Unlk
• Unlock warning switch (behind left side of dash)
• Wireless door control receiver (w/ wireless door locks) (behind upper left side of dash)

Power Door Locks Wiring Diagram (2 of 2) for Toyota Prius 2003

List of elements for Power Door Locks Wiring Diagram (2 of 2) for Toyota Prius 2003:

• Bj (on right "c" pillar)
• Cpub
• Dcty
• Diode (door courtesy) (behind left end of dash, above instrument panel j/b)
• Ig (above right kick panel)
• J12
• J13
• J19
• J24
• J25
• Junction connector 12 & 13 (behind upper left center of dash)
• Junction connector 16 (behind upper right side of dash)
• Junction connector 17
• Junction connector 18 & 19 (behind right end of dash) j18
• Junction connector 24 & 25 (behind upper left center of dash)
• Junction connector 33 (left rear of vehicle, above left rear wheelwell)
• Kul
• Left front door courtesy switch
• Left front door lock motor, door key lock & unlock switch & door unlock detection switch
• Left rear door courtesy switch
• Lock
• Lswd
• Luggage compartment door unlock switch
• Mpx1
• Power window master switch
• Red
• Right front door courtesy switch
• Right front door lock motor, door key lock & unlock switch & door unlock detection switch
• Right rear door courtesy switch
• Unlk

POWER MIRRORS

Power Mirrors Wiring Diagram for Toyota Prius 2003

List of elements for Power Mirrors Wiring Diagram for Toyota Prius 2003:

• Acc fuse 10a
• Down
• Hot in acc or on
• Instrument panel j/b (behind left end of dash)
• J/c 11 (behind left end of dash, near base of "a" pillar)
• J/c 24 & 25 (behind upper left center of dash)
• J/c 26 (behind upper left center of dash)
• J/c 27 (behind upper left center of dash)
• J24
• J25
• Left
• Left remote control mirror
• Left/ right
• Operation switch
• Remote control mirror switch
• Right
• Right remote control mirror
• Select switch
• Up/ down

POWER WINDOWS

Power Windows Wiring Diagram for Toyota Prius 2003

List of elements for Power Windows Wiring Diagram for Toyota Prius 2003:

• (at left ``c" pillar) bi
• (behind left end of dash, near base of ``a" pillar) j/c 11
• Body ecu (on right side of instrument panel j/b)
• Cpub
• Dcty
• Ddn
• Diode (courtesy) (above instrument panel j/b)
• Dome fuse 15a
• Down
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• Fld
• Flu
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• Instrument panel j/b (behind left end of dash)
• J/c 11 (near base of ``a" pillar)
• J/c 12, j/c 13 (behind upper left center of dash)
• J/c 14, j/c 15 (behind upper right side of dash)
• J/c 16 (behind upper right center of dash)
• J/c 17 (behind upper right side of dash)
• J/c 17 (behind uppre right side of dash)
• J/c 20 (behind upper left center of dash)
• J/c 24, j/c 25 (behind upper left center of dash)
• J/c 27 (behind upper left center of dash)
• J10
• J11
• J12
• J13
• J14 a
• J15 c
• J24 b
• J25 c
• K10
• Left front door courtesy switch
• Left front power window motor
• Left rear power window control switch
• Left rear power window motor
• Limit switch
• Lmt
• Mpx1
• Pls
• Power fuse 30a
• Power relay
• Power window master switch
• Pulse sensor
• Pwr1 fuse 20a
• Right front door courtesy switch
• Right front power window control switch
• Right front power window motor
• Right rear power window control switch
• Right rear power window motor
• Rld
• Rlu
• Rrd
• Rru
• Sgnd
• Wlsw

RADIO

Radio Wiring Diagram for Toyota Prius 2003

List of elements for Radio Wiring Diagram for Toyota Prius 2003:

• Acc
• Acc fuse 10a
• Acc+b
• Aui+
• Aui-
• Auo+
• Auo-
• Bu+b
• C j27
• Center cluster switch
• Dome fuse 15a
• Ejct
• Eject
• Engine room j/b (on left side of engine compartment)
• Fl+
• Fl-
• Fr+
• Fr-
• Gnd
• Hot at all times
• Hot in acc or on
• If (behind left kick panel)
• Illum
• Instrument panel j/b (behind left end of dash)
• Interior lights system
• J/c 24 (behind upper left center of dash)
• J/c 26 (behind upper left center of dash)
• J/c 27 & 28 (behind upper left center of dash)
• J27 c
• J28 c
• Left front door speaker
• Left rear speaker
• Multi-display
• Navigation ecu (if equipped) (near base of left "c" pillar)
• Pnk
• Radio & player
• Red
• Right front door speaker
• Right rear speaker
• Rl+
• Rl-
• Rr+
• Rr-
• Tx+
• Tx-
• W/ navigation system
• W/o navigation system

SHIFT INTERLOCK

Shift Interlock Wiring Diagram for Toyota Prius 2003

List of elements for Shift Interlock Wiring Diagram for Toyota Prius 2003:

• A j24
• Acc
• Acc fuse 10a
• C j28
• D j15
• D j23
• E j22
• Ecu-ig fuse 5a
• Free
• Hot at all times
• Hot in acc or on
• Hot in on or start
• Id (above left kick panel)
• Instrument panel j/b (behind left end of dash)
• J/c 11 (behind left end of dash, near base of "a" pillar)
• J/c 14 & 15 (behind upper right side of dash)
• J/c 14 (behind upper right side of dash)
• J/c 21 (behind right end of dash)
• J/c 22 & 23 (behind upper left side of dash)
• J/c 24 & 25 (behind upper left center of dash)
• J/c 26 (behind upper left center of dash)
• J/c 27 & 28 (behind upper left center of dash)
• J14
• J25
• J27
• Key interlock solenoid
• Kls+
• Lock
• Red
• Shift lock control switch
• Shift lock ecu (behind left center of dash)
• Shift lock solenoid
• Sls+
• Sls-
• Stop fuse 15a
• Stoplight switch (above brake pedal, on bracket)
• Stp
• Unlock warning switch

SUPPLEMENTAL RESTRAINTS

Supplemental Restraints Wiring Diagram for Toyota Prius 2003

List of elements for Supplemental Restraints Wiring Diagram for Toyota Prius 2003:

• air bag squib (steering wheel pad)
• (at base of left "b" pillar, behind trim) (w/side air bags) left side air bag sensor
• (right kick panel) ih
• (w/side air bags) left side air bag squib
• +sl
• +sr
• -sl
• -sr
• A17
• A18
• A19
• Abfs
• Acc
• Acc fuse 10a
• Air bag sensor assembly (behind lower center of dash)
• Air bag squib (front passenger air bag assembly)
• Am2
• Body ecu (on right side of instrument panel j/b)
• C10
• C11
• Combination meter
• Data link connector (dlc) 3 (partial) (behind lower left side of dash)
• Esl
• Esr
• Gsw2
• H13
• Hot at all times
• Hot in acc or on
• Hybrid vehicle control ecu (behind right side of dash, forward of glove box)
• Ig2
• Ignition switch
• Ih (right kick panel)
• Instrument panel j/b (behind left end of dash)
• J/c 11 (behind left end of dash, near base of "a" pillar)
• J/c 22
• J/c 22 & j/c 23 (behind upper left side of dash)
• J/c 23
• J/c 24
• J/c 24 & j/c 25 (behind upper left center of dash)
• J/c 25
• J/c 26 (behind upper left center of dash)
• J/c 27
• J/c 27 & j/c 28 (behind upper left center of dash)
• J/c 28
• J/c 29 (below center of dash)
• Lbe+
• Left buckle switch (under right side of driver's seat)
• Left front air bag sensor (on left front of engine compartment, behind headlight)
• Left pretensioner (at base of left "b" pillar, behind trim)
• Lock
• Pl+
• Pl-
• Pnk
• Pr+
• Pr-
• Rbe+
• Right buckle switch & seat belt warning occupant detection sensor (under passenger's seat)
• Right front air bag sensor (on right front of engine compartment, behind headlight)
• Right pretensioner (at base of right "b" pillar, behind trim)
• Right side air bag sensor (w/side air bags) (at base of right "b" pillar, behind trim)
• Right side air bag squib (w/side air bags)
• Sfl+
• Sfl-
• Sfr+
• Sfr-
• Sil
• Spiral cable
• Srs acc fuse 10a
• Srs warning light
• Ssl+
• Ssl-
• Ssr+
• Ssr-
• Start
• Vupl
• Vupr

WARNING SYSTEMS

Warning Systems Wiring Diagram for Toyota Prius 2003

List of elements for Warning Systems Wiring Diagram for Toyota Prius 2003:

• Body ecu (on right side of instrument panel j/b)
• Buzzer
• C10
• C11
• Combination meter
• Computer data lines system
• Dbkl
• Dcty
• Dome fuse 15a
• Door ind
• Ecu-b fuse 7.5a
• Engine room j/b (on left side of engine compt)
• Exterior lights system
• F j13
• Gauge fuse 10a
• Headlights system
• Hot at all times
• Hot in on or start
• Hot w/ tail relay energized
• Id (above left kick panel)
• Ih (behind right kick panel)
• Instrument panel j/b (behind left end of dash)
• J/c 11 (behind left end of dash, near base of "a" pillar)
• J/c 12 & 13 (behind upper left center of dash)
• J/c 22 & 23 (behind upper left side of dash)
• J/c 24 & 25 (behind upper left center of dash)
• J/c 27 (behind upper left center of dash)
• J/c 29 (below center of of dash)
• J12 d
• J22 e
• J23
• J24
• J24 a
• J25
• Ksw
• Left buckle switch (under right side of driver's seat)
• Left front door courtesy switch
• Mpx+
• Mpx-
• Pkbl
• Red
• Right buckle switch & seat belt warning occupant detection sensor (under passenger's seat)
• Seat belt ind (driver's)
• Seat belt ind (front passenger's)
• Tail
• Tail fuse 7.5a
• Trly
• Unlock warning switch

WIPER/WASHER

Wiper/Washer Wiring Diagram for Toyota Prius 2003

List of elements for Wiper/Washer Wiring Diagram for Toyota Prius 2003:

• C12
• Combination switch
• Front washer switch
• Front wiper motor (on upper left rear of engine compt)
• Front wiper switch
• High
• Hot in on or start
• Instrument panel j/b (behind left end of dash)
• Int
• Int time
• J/c 1 (behind left end of dash, near base of ``a" pillar)
• J/c 17 (behind upper right side of dash)
• J/c 18 (behind right end of dash)
• Low
• Off
• Solid state
• Washer fuse 15a
• Washer motor (on washer reservoir, below left headlight)
• Wiper fuse 30a