Wiring Diagrams for Toyota Echo I (1999-2005)

Heater circuit Manual a/c circuit

Anti-lock brakes circuit

Anti-theft circuit

Computer data lines circuit

Cooling fan circuit

Defoggers circuit

Wiring diagram engine performance 1.5l

Back-up lamps circuit Exterior lamps circuit

Ground distribution circuit

Headlights circuit, with drl Headlights circuit, without drl

Horn circuit

Instrument cluster circuit, without tachometer Instrument cluster circuit, with tachometer

Courtesy lamps circuit Instrument illumination circuit

Power distribution circuit

Power door locks circuit, with keyless entry Power door locks circuit, without keyless entry

Power mirrors circuit

Power windows circuit

Radio circuit

Shift interlock circuit

Charging circuit Starting circuit

Supplemental restraints circuit

A/t circuit

Warning systems circuit

Wiper/washer circuit

A/C AMPLIFIER A/C CONDENSER FAN RESISTOR A/C CONDENSER FAN RESISTOR (ON LEFT ANTI-LOCK BRAKES SYSTEM BATTERY GROUND BLOWER RESISTOR IGNITION COIL, IGNITER 1 IGNITION COIL, IGNITER 2 IGNITION COIL, IGNITER 3 IGNITION COIL, IGNITER 4 LEFT FRONT DOOR LOCK ASSEMBLY PTC AMPLIFIER RIGHT FRONT DOOR LOCK ASSEMBLY SH HEAD TAIL HORN W/ DOOR LOCK CONTROL W/ WIRELESS DOOR LOCK W/O DOOR LOCK CONTROL W/O WIRELESS DOOR LOCK

AIR INLET CONTROL SERVO MOTOR BLOWER MOTOR BLOWER MOTOR RESISTOR ENGINE CONTROLS SYSTEM ENGINE ROOM R/B FRONT WIPER MOTOR LEFT FRONT POWER WINDOW MOTOR RADIATOR FAN MOTOR RIGHT FRONT POWER WINDOW MOTOR SIDE OF ENGINE COMPT, BEHIND HEADLIGHT) WASHER MOTOR

CHECK CONNECTOR DATA LINK CONNECTOR 3 JUNCTION CONNECTOR 6, 7 (BEHIND JUNCTION CONNECTOR 6, 7 (BEHIND UPPER CENTER OF DASH, BELOW JUNCTION CONNECTOR 9 JUNCTION CONNECTOR 10 (REARWARD OF LEFT REAR JUNCTION CONNECTOR 12

ENGINE CONTROL MODULE

ABS ACTUATOR WITH ECU AIR INLET CONTROL SERVO MOTOR, THEFT DETERRENT ECU, PTC AMPLIFIER CLOCK ABS ACTUATOR WITH ECU, FAN 1 RELAY, FAN 2 RELAY DOOR LOCK CONTROL RELAY THEFT DETERRENT ECU ECU-B FUSE ECU-IG FUSE HORN RELAY, THEFT DETERRENT ECU

A/C FUSE ABS FUSE ALT FUSE D/L FUSE D/L FUSE HAZ FUSE DEF FUSE DOME FUSE DOME FUSE EFI FUSE EFI FUSE FOG FUSE GAUGE FUSE HAZ FUSE HORN FUSE HOT AT ALL TIMES HORN FUSE HTR FUSE HTR SUB 1 FUSE LEFT H-LP FUSE LH H-LP FUSE MAIN FUSE OBD FUSE POWER FUSE RDI FUSE RDI FUSE HTR RH H-LP FUSE RIGHT H-LP FUSE ST FUSE STOP FUSE TAIL FUSE WIPER FUSE

LEFT HEADLIGHT RIGHT HEADLIGHT

BLOWER SWITCH, RIGHT FRONT SEAT BELT WARNING LIGHT, SECURITY INDICATOR LIGHT INDICATOR LAMP MALFUNCTION MALFUNCTION INDICATOR LAMP O/D OFF INDICATOR SECURITY INDICATOR LIGHT TURN SIGNAL INDICATOR LIGHTS

EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HORNS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM MALFUNCTION IND LAMP

FUEL PUMP FUEL PUMP, FUEL

+BS RELAY A/C MG RELAY A/C MG RELAY, A/C TRIPLE PRESSURE SWITCH C/ OPN RELAY DOOR LOCK CONTROL RELAY EFI RELAY ENGINE ROOM R/B FAN 2 RELAY ST RELAY FAN 1 RELAY FAN 1 RELAY RELAY FAN 2 RELAY FLASHER RELAY FLASHER RELAY HEATER RELAY FOG LIGHT RELAY HEADLIGHT RELAY HEATER RELAY HEATER SUB 1 RELAY HORN RELAY IGNITION COILS, IGNITORS, EFI RELAY, NOISE FILTER LEFT HEADLIGHT, DRL 5 RELAY POWER RELAY REAR WINDOW DEFOGGER RELAY RELAY FL- FR+ FR- RIGHT HEADLIGHT, HEADLIGHT RELAY ST RELAY STARTER RELAY TAILLIGHT RELAY, COMBINATION SWITCH

CAMSHAFT POSITION SENSOR SHIELD CENTER AIRBAG SENSOR ASSEMBLY CRANKSHAFT POSITION SENSOR SHIELD HEATED OXYGEN SENSOR BANK 1 SENSOR 1 HEATED OXYGEN SENSOR BANK 1 SENSOR 2 HEATED OXYGEN SENSOR SHIELD KNOCK SENSOR SHIELD RIGHT BUCKLE SWITCH, SEAT BELT WARNING OCCUPANT DETECTION SENSOR

LEFT REAR SPEAKER RIGHT REAR SPEAKER

A/C SWITCH A/C TRIPLE PRESSURE SWITCH BLOWER SWITCH BRAKE FLUID LEVEL WARNING SWITCH BUCKLE SWITCH CENTER CLUSTER SWITCH COMBINATION SWITCH COMBINATION SWITCH COMB- INATION METER 17 2 COMBINATION SWITCH LIGHT CONTROL SWITCH DIMMER SWITCH ENGINE HOOD COURTESY SWITCH FOG LIGHT SWITCH FOGLIGHT SWITCH FOOT MODE SWITCH FRONT WIPER SWITCH FRONT WIPER/ WASHER SWITCH HAZARD, REAR WINDOW DEFOGGER SWITCH REMOTE CONTROL MIRROR SWITCH HEAD OFF TAIL LIGHT CONTROL SWITCH HORN SWITCH IGNITION SWITCH INLET AIR POSITION DETECTION SWITCH LEFT BUCKLE SWITCH LEFT DOOR LOCK CONTROL SWITCH LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT DOOR LOCK/ UNLOCK SWITCH, UNLOCK DETECTION SWITCH LEFT FRONT FOG LIGHT A/C SINGLE PRESSURE SWITCH LEFT REAR DOOR COURTESY SWITCH LEFT REAR DOOR UNLOCK DETECTION SWITCH LIGHT CONTROL SWITCH LIGHT CONTROL, DIMMER SWITCH LUGGAGE COMPARTMENT DOOR COURTESY SWITCH LUGGAGE COMPARTMENT DOOR KEY UNLOCK SWITCH MAX HOT SWITCH MAX HOT, FOOT MODE SWITCH OCCUPANT DETECTION SWITCH OFF TAIL LIGHT CONTROL SWITCH OPERATION SWITCH PARK SWITCH POSITION SWITCH) POWER WINDOW MASTER SWITCH REAR WINDOW DEFOGGER SWITCH REMOTE CONTROL MIRROR SWITCH RIGHT FRONT DOOR COURTESY SWITCH RIGHT FRONT PARK/TURN SIGNAL LIGHT WASHER LEVEL WARNING SWITCH RIGHT FRONT POWER WINDOW CONTROL SWITCH RIGHT REAR DOOR COURTESY SWITCH RIGHT REAR DOOR UNLOCK DETECTION SWITCH SELECT SWITCH SHIFT LOCK CONTROL SWITCH STOP LIGHT SWITCH TURN SIGNAL SWITCH TURN SIGNAL SWITCH O/D MAIN SWITCH UNLOCK WARNING SWITCH WASHER SWITCH W/ INTERMITTENT W/O INTERMITTENT WINDOW LOCK SWITCH WIPER/ WASHER SWITCH

IDLE AIR CONTROL VALVE SHIFT LOCK SOLENOID

1 2 3 4 5 6 7 8 9 10 FR+ FL+ PNK WIRE BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE BRN/YEL WIRE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE LT BLU WIRE LT GRN WIRE LT GRN/BLK WIRE LT PNK WIRE NCA WIRE ORG/ BLU WIRE ORG/ WIRE PNK (OR LT WIRE PNK SRLY IND WIRE PNK VG WIRE PNK VUPR WIRE PNK W/ ABS WIRE PNK WA WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RUN WIRE VIO WIRE VIO/RED WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 DRL 1 2 3 4 5 6 7 8 9 10 11 12 PL- PL+ DML- DML+ SFL+ SFL- VUPL 1 2 3 4 5 6 7 8 9 10 11 12 SFR- SFR+ DMR+ DMR- PR+ PR- ESR RBE+ FSR SSR+ 1 2 3 4 5 6 RR+ RL+ RR- 1 2 3 4 5 GND RDA PRG 1 2 DMR- DMR+ 2 1 DML+ DML- 3 1 18 20 BATT +B SIL TC 4 3 2 1 ESL FSL SSL+ VUPL 4 DOOR 7 6 FAN CF 12 5 ELS TACO 16 15 14 13 12 11 10 9 8 7 6 5 4 3 2 1 BAT WFSE 17 11 29 8 9 10 19 7 SPD 19 28 18 21 30 17 16 6 7 THW 31 33 AC ACT (OR (OR LT (OR LT (OR LT +B EHW +B FR- FL- GND +BM +SR P+ P- SIL D- D+ +SL A/C SYSTEM A/C SYSTEM A/C SYSTEM COOLING FAN SYSTEM A/T M/T ABS IND. ABS WARNING LIGHT (W/ TACHOMETER ABS WARNING LIGHT (W/O TACHOMETER BEAM IND BELT IND BRAKE IND CFN- CFN- MGC SG CHARGE IND CHARGE IND W/ TACHOMETER CHARGE IND W/O TACHOMETER CIGARETTE LIGHTER OR POWER OUTLET CIGARETTE LIGHTER POWER OUTLET COMB- INATION METER COMBINATION METER DOOR IND DOOR IND DOOR IND DOOR LOCKS SYSTEM DSWL DSWH DSWD DSWP KSW LUG EC (ON REAR OF LEFT EC ST ER IG FENDERWELL) FOOT, DEF DEF FRONT FENDER) FRONT PASSENGER SEAT BELT WARNING LIGHT FRS REC FRS REC REC/FRS FSR SSR+ VUPR FUEL GAUGE FUEL IND FUEL INJECTOR 1 FUEL INJECTOR 2 FUEL INJECTOR 3 FUEL INJECTOR 4 FUEL INJECTORS FUEL SENDER GND CFN+ ACT A/C TE HEAD OFF TAIL HI CHG BRK PKB IG HIGH MOUNTED STOP LIGHT HIGH OFF HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HOT ODMS IE (BEHIND CENTER IG LSWD LSWP LSWR IG MAX HOT NE GND INSTRUMENT CLUSTER INSTRUMENT PANEL J/B INTERIOR LIGHT) J/C 12 J/C 13, 14 JUNCTION CONNECTORS 13, 14 LCD DISPLAY LCD ILLUM COMBINATION METER LCD ILLUMINATION LEFT BACK-UP LIGHT LEFT FRONT LEFT FRONT FOG LIGHT LEFT FRONT FOGLIGHT LEFT FRONT PARK/TURN SIGNAL LIGHT LEFT FRONT TURN SIGNAL LIGHT TURN LEFT LICENSE PLATE LIGHT LEFT LICENSE PLATE LIGHT LEFT REAR SIDE MARKER LIGHT LEFT REAR LEFT REAR COMBINATION LIGHT LEFT REAR DOOR COURTESY LEFT REAR SIDE MARKER LIGHT LEFT REMOTE CONTROL MIRROR LEFT RIGHT LEFT TURN IND LOW/ MIST INT LOW/ MIST INT INT LOW/ MIST LR LL LT LT LUGGAGE COMP- ARTMENT LIGHT NE+ NSW STA NT+ EC PSP NT- NT- NT+ O/D OFF IND OCV- ODO/TRIP FUEL CLOCK ODO/TRIP FUEL WARNING ODO/TRIP SW OF DASH) OFF LO OFF TAIL OIL IND OT SLT+ POSITION SWITCHES CONTROL CIRCUIT PRS DEF RADIO, PLAYER RBE+ REAR WINDOW DEFOGGER REMOTE CONTROL MIRROR RIGHT BACK-UP LIGHT RIGHT DOWN LEFT UP RIGHT FRONT RIGHT FRONT FOG LIGHT RIGHT FRONT FOGLIGHT RIGHT LEFT RIGHT LICENSE PLATE LIGHT RIGHT REAR RIGHT REAR COMBINATION LIGHT RIGHT REAR DOOR COURTESY RIGHT REAR SIDE MARKER LIGHT RIGHT REMOTE CONTROL MIRROR RIGHT TURN IND RR- RR+ RL- RL+ TC SG ALT MODE IN SG CG SIL WFSE TC PTNK SL- SLS+ SLS- SLT- SLT- SLT+ SOLID STATE SPIRAL CABLE SRS IND SSL+ FSL LBE+ ESL ST SL STARTING/ CHARGING SYSTEM STARTING/CHARGING SYSTEM STARTING/CHARGING SYSTEM TRANSMISSIONS SYSTEM STP ODLP SUPPLEMENTAL RESTRAINTS SYSTEM TC -SR TIMER CIRCUIT TRANSMISSIONS SYSTEM HEADLIGHTS SYSTEM TURN STOP TAIL UP DOWN UPPER CENTER OF DASH, BELOW INSTRUMENT CLUSTER) VC VTA OIL SLT+ SLT- W/ DRL W/ DRL W/O DRL W/ INTERMITTENT W/ KEYLESS ENTRY/ FOGLIGHT W/ KEYLESS ENTRY/ FOGLIGHT W/O KEYLESS ENTRY/ FOGLIGHT W/ REMOTE KEYLESS ENTRY W/ TACH W/ TACHOMETER W/ WIRELESS DOOR LOCKS W/O ABS W/O DRL W/O KEYLESS ENTRY/ FOGLIGHT W/O REMOTE KEYLESS ENTRY W/O SIDE AIR BAG W/ SIDE AIR BAG W/O TACH W/O TACHO- METER W/ TACHO- METER W/O TACHOMETER W/O TACHOMETER RIGHT FRONT TURN SIGNAL LIGHT TURN PARK W/ TACHOMETER W/O WIRELESS DOOR LOCKS WARNING SYSTEM WARNING SYSTEM WARNING SYSTEM WASHER LEVEL IND WATER TEMP COOL WATER TEMP HOT WATER TEMPERATURE COOL IND WATER TEMPERATURE HOT IND WIPER/WASHER SYSTEM WIPER/WASHER SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM