Toyota MR2 W30 (1999-2007) engine control module (behind driver's seat, on panel) Wiring diagrams

ABS ABS 1 FUSE ABS 2 FUSE ABS IND. BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BM (ON LEFT FRONT STRUT TOWER) BRN WIRE COMBINATION METER DATA LINK CONNECTOR (DLC) 3 (BELOW LEFT END OF DASH) ECU-IG FUSE ENGINE CONTROL MODULE (BEHIND DRIVER'S SEAT, ON PANEL) FRO FLO RRO +BM GAUGE FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY/BLK WIRE HOT AT ALL TIMES HOT IN ON OR START IH (AT RIGHT KICK PANEL) J/B 6 (BEHIND CENTER OF DASH) JUNCTION CONNECTOR 4 (BEHIND RIGHT END OF DASH) JUNCTION CONNECTOR 7 (NEAR R/B 4) LEFT FRONT ABS SPEED SENSOR (ON LEFT FRONT WHEEL HUB/SPINDLE ASSEMBLY) LEFT REAR ABS SPEED SENSOR (ON LEFT REAR WHEEL HUB/ SPINDLE ASSEMBLY) PARKING BRAKE SWITCH (AT BASE OF PARKING BRAKE LEVER) PNK FL- FL+ STP RL+ RL- WA D/G TS TC RLO PKB WIRE PNK WIRE PNK/BLK WIRE R/B 3 (BEHIND LEFT CORNER OF DASH) R/B 4 (IN FRONT COMPT, ON LEFT FRONT FENDERWELL) RED WIRE RED/GRN WIRE RED/YEL WIRE RIGHT FRONT ABS SPEED SENSOR (ON RIGHT FRONT WHEEL HUB/SPINDLE ASSEMBLY) RIGHT REAR ABS SPEED SENSOR (ON RIGHT REAR WHEEL HUB/SPINDLE ASSEMBLY) RR- RR+ SIL SKID CONTROL ECU WITH ACTUATOR (IN FRONT COMPT, ON LEFT FRONT FENDERWELL) SPEEDOMETER SPFL SPFR SPRL SPRR STOP FUSE STOPLIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) TRA FR- FR+ TRANSMISSION CONTROL ECU (MANUAL) (BEHIND DRIVER'S SEAT, ON PANEL) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL WIRE

16 15 BAT BLK WIRE BLK/YEL WIRE BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY (BEHIND CENTER OF DASH, FORWARD OF GEAR SHIFTER) COMBINATION METER D/G DATA LINK CONNECTOR (DLC) 3 (BELOW LEFT END OF DASH) EB (ON REAR OF ENGINE) ENGINE CONTROL MODULE (BEHIND DRIVER'S SEAT, ON PANEL) GRN/RED WIRE HOT AT ALL TIMES IE (AT LEFT KICK PANEL) J/B 6 (BEHIND CENTER OF DASH) JUNCTION CONNECTOR 1 (BEHIND UPPER RIGHT SIDE OF DASH) OBD FUSE PNK/BLK WIRE POWER STEERING ECU (ON LEFT SIDE OF FRONT COMPT) R/B 3 (BEHIND LEFT CORNER OF DASH) SIL SIL A/B SG CG TRANSMISSION CONTROL ECU (BEHIND DRIVER'S SEAT, ON PANEL) TS TC 13 12 11 10 9 8 7 6 5 4 3 2 1 WHT/BLK WIRE WHT/GRN WIRE

A/C CONDENSER FAN MOTOR (ON FRONT OF VEHICLE, ON CONDENSER) BI (ON RIGHT FRONT STRUT TOWER) BL (ON LEFT FRONT STRUT TOWER) BLK WIRE BLU WIRE BLU/BLK WIRE BRN WIRE CDS FAN FUSE ENGINE CONTROL MODULE (BEHIND DRIVER'S SEAT, ON PANEL) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (ON REAR OF CYLINDER HEAD) FAN FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FAN-IG FUSE GRN WIRE HOT AT ALL TIMES HOT IN ON OR START R/B 3 (BEHIND LEFT CORNER OF DASH) R/B 4 (IN FRONT COMPT, ON LEFT FRONT FENDERWELL) RADIATOR FAN MOTOR (FRONT LEFT SIDE OF FRONT COMPARTMENT) RDI FAN FUSE RED WIRE RED/BLU WIRE WHT WIRE WHT/BLK WHT/BLK WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL/GRN WIRE

1 2 18 6 11 13 17 19 20 22 23 EVG VC 1 6 7 8 11 16 BATT 5 6 10 14 21 22 TC STP 6 7 8 9 19 20 21 29 31 +BM CL- BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BRN WIRE CRUISE CRUISE CONTROL SWITCH (COMBINATION SWITCH) EA (ON LEFT REAR STRUT TOWER) EB (ON REAR OF ENGINE) EC (ON REAR OF ENGINE) EFI 1 FUSE EFI MAIN RELAY ENGINE CONTROL MODULE (BEHIND DRIVER'S SEAT, ON PANEL) ETCS FUSE FUSE FUSIBLE LINK BLOCK (IN LEFT FRONT SIDE OF ENGINE COMPT) GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES IGNITION SWITCH J/C 3, J/C 4 (BEHIND RIGHT END OF DASH) M+ CL+ NSW IGSW SIL +B ON LOCK OFF PI MREL SPD PNK/BLK WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE RESUME/ ACCEL SET/ COAST STOPLIGHT SWITCH (ABOVE BRAKE PEDAL, ON BRACKET) THROTTLE CONTROL MOTOR (ON TOP REAR OF ENGINE) VIO WIRE VIO/WHT WIRE VPA THA VTA WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 IDUP SPD TC 1 2 3 4 IGB SIL 1 2 MH PGND BL (ON LEFT FRONT STRUT TOWER) BLK WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BM (ON LEFT FRONT STRUT TOWER) BRN WIRE COMBINATION METER DATA LINK CONNECTOR (DLC) 3 (BELOW LEFT END OF DASH) ECU-IG FUSE EHPS FUSE EHPS RELAY ENGINE CONTROL MODULE (BEHIND DRIVER'S SEAT, ON PANEL) GAUGE FUSE GRN WIRE GRN/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IE (AT LEFT KICK PANEL) IE (AT LEFT KICK PANEL) IH (AT RIGHT KICK PANEL) J/B 6 (BEHIND CENTER OF DASH) MRLY EFI TS ORG/ WIRE PNK WIRE PNK/BLK WIRE POWER STEERING ECU (ON LEFT SIDE OF FRONT COMPT) POWER STEERING WARNING LIGHT PSCT R/B 3 (BEHIND LEFT CORNER OF DASH) R/B 4 (IN FRONT COMPT, ON LEFT FRONT FENDERWELL) RED WIRE SIL VIO WIRE VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE

1 2 16 BATT IMLD +B 26 7 15 21 17 RXCK CODE TXCT MREL KSW 5 4 3 2 1 +B RXCK GND CODE TXCT A/C SWITCH BLK WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/YEL WIRE EA (ON LEFT REAR STRUT TOWER) EFI MAIN RELAY ENGINE CONTROL MODULE (BEHIND DRIVER'S SEAT, ON PANEL) ENGINE ROOM R/B (IN LEFT SIDE OF ENGINE COMPT, ON FIREWALL) FUSE FUSIBLE LINK BLOCK (IN LEFT FRONT SIDE OF ENGINE COMPT) GRY WIRE HOT AT ALL TIMES IF (BEHIND LEFT CENTER OF DASH, ON BRACE) J/B 6 (BEHIND CENTER OF DASH) SECURITY INDICATOR LIGHT TRANSPONDER KEY AMPLIFIER (BEHIND LEFT SIDE OF DASH, NEAR IGNITION KEY CYLINDER) UNLOCK WARNING SWITCH WHT/BLK WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

1 3 2 FV FE FR ABS IND. AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM WARNING SYSTEM ANTI-LOCK BRAKES SYSTEM BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BRAKE FLUID LEVEL WARNING SWITCH BRAKE IND BRN WIRE BUZZER CHARGE IND CLOCK COMBINATION METER CRUISE CONTROL SYSTEM CRUISE IND DEFOGGER SYSTEM DOME FUSE DOOR IND ECU-B FUSE ELECTRONIC POWER STEERING SYSTEM ANTI-LOCK BRAKES SYSTEM AIR CONDITIONING SYSTEM ENGINE CONTROL MODULE (BEHIND DRIVER'S SEAT, ON PANEL) ENGINE CONTROLS SYSTEM FUEL GAUGE FUEL IND FUEL PUMP/ FUEL SENDER (IN FUEL TANK) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HIGH BEAM IND HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HOT W/TAIL RELAY ENERGIZED IE (AT LEFT KICK PANEL) IF (BEHIND LEFT CENTER OF DASH, ON BRACE) IGNITION SWITCH IH (AT RIGHT KICK PANEL) INTERIOR LIGHTS SYSTEM AIR CONDITIONING SYSTEM J/B 6 (BEHIND CENTER OF DASH) JUNCTION CONNECTOR 3, 4 (BEHIND RIGHT END OF DASH) JUNCTION CONNECTOR 4 (BEHIND RIGHT END OF DASH) LEFT TURN IND RIGHT TURN IND MALFUNCTION IND LAMP METER ILLUMINATION ODO TRIP OIL IND ORG/ WIRE POWER STEERING ECU (ON LEFT SIDE OF FRONT COMPT) PS IND R/B 3 (BEHIND LEFT CORNER OF DASH) PANEL FUSE RADIO 2 FUSE RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SEAT BELT IND SEQUENTIAL MANUAL TRANSMISSION SEQUENTIAL MANUAL TRANSMISSION SHIFT POSITION SPEEDOMETER SRS IND SUPPLEMENTAL RESTRAINTS SYSTEM TACH TACHOMETER TEMPERATURE GAUGE VIO/WHT WIRE WARNING SYSTEM WARNING SYSTEM HEADLIGHTS SYSTEM INTERIOR LIGHTS SYSTEM WARNING SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 7 12 13 14 4 IG S A/C R DEF DEF L A/C GND A/C COMP RELAY A/C CONDENSER FAN MOTOR (ON FRONT OF VEHICLE, ON CONDENSER) A/C SWITCH A/C TRIPLE PRESSURE SWITCH (ON RIGHT SIDE OF FRONT COMPT, BESIDE HEADLIGHT) ACMG BLK WIRE BLK/ WHT WIRE BLOWER MOTOR (BEHIND RIGHT END OF DASH) BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH) BLOWER SWITCH BLU RED/ WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CDS FAN FUSE COMBINATION METER COMPARTMENT, ON LEFT FRONT FENDERWELL) DEFOGGER SYSTEM DUAL PRESS ENGINE CONTROL MODULE (BEHIND DRIVER'S SEAT, ON PANEL) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (ON REAR OF CYLINDER HEAD) ENGINE ROOM R/B (IN LEFT SIDE OF ENGINE COMPT, ON FIREWALL) FAN FAN 1 RELAY FAN 2 RELAY FAN 3 RELAY FAN-IG FUSE FUSIBLE LINK BLOCK (IN LEFT FRONT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRY/RED WIRE HI OFF LO 6 5 4 1 HOT AT ALL TIMES HOT IN ON OR START HTR FUSE HTR RELAY IF (BEHIND LEFT CENTER OF DASH, ON BRACE) J/B 6 (BEHIND CENTER OF DASH) LCKI OFF LO PNK/BLU WIRE PRE R/B 3 (BEHIND LEFT CORNER OF DASH) R/B 3 (BEHIND LEFT CORNER OF DASH) HTR FUSE R/B 4 (IN FRONT R/B 4 (IN FRONT COMPT, ON LEFT FRONT FENDERWELL) RADIATOR FAN MOTOR (FRONT LEFT SIDE OF FRONT COMPT) RDI FAN FUSE RED WIRE RED/BLU WIRE SIDE OF DASH) SINGLE PRESS WHT WIRE WHT/ BLK WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 STD A/C SYSTEM BATT IMLD FC PTNK BK (NEAR RIGHT DOOR STRIKER) BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE CF FAN TC STP CODE F/PS CIRCUIT OPENING RELAY CODE COMBINATION METER COOLING FANS SYSTEM DOOR SILL) EA (LEFT REAR STRUT TOWER) EFI 1 FUSE EFI 2 FUSE EFI MAIN RELAY ELECTRONIC POWER STEERING SYSTEM ENGINE CONTROL MODULE (BEHIND DRIVER'S SEAT, ON PANEL) ENGINE ROOM R/B (LEFT SIDE OF ENGINE COMPT) FUEL PUMP (IN FUEL TANK) FUSE FUSIBLE LINK BLOCK (LEFT FRONT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRY WIRE HOT AT ALL TIMES HOT AT ALL TIMES IGNITION SWITCH HOT IN HOT IN ON OR START IF (BEHIND LEFT CENTER OF DASH, ON BRACE) INSTRUMENT CLUSTER SYSTEM J/B 6 (BEHIND CENTER OF DASH) LOCK MREL SPD TBP NSW IGSW PNK/BLK WIRE POWER STEERING SYSTEM (POWER STEERING ECU) PS RXCK TACH LCKI R/B 3 (BEHIND LEFT CORNER OF DASH) RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RXCK SECURITY INDICATOR LIGHT (A/C SWITCH) SIL ACMG ST FUSE STARTING/ CHARGING SYSTEM (ST RELAY) TRA TRANSMISSION SYSTEM TRANSPONDER KEY AMPLIFIER (BEHIND LEFT SIDE OF DASH, NEAR IGNITION KEY CYL) TXCT TXCT ABS KSW PRE PSCT UNLOCK WARNING SWITCH SKID CONTROL ECU (ON LEFT FRONT FENDERWELL) VIO/WHT WIRE VSV (PRESSURE SWITCHING VALVE) (UNDER REAR OF VEHICLE) W/ SEQUENTIAL M/T WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

1 1 1 1 +BM CL- 1 1 CAN+ NEO 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 EVG VC AT LEFT QUARTERPANEL) BLK WIRE BLK/BLU 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 CAMSHAFT TIMING OIL CONTROL VALVE (ON LEFT FRONT OF CYLINDER HEAD) CCV RSO M+ CL+ CSMT EC (REAR OF ENGINE) EB (REAR OF ENGINE) ENGINE CONTROL MODULE (BEHIND DRIVER'S SEAT, ON PANEL) GENERATOR GRN WIRE GRN/RED WIRE GRY WIRE HEATED OXYGEN SENSOR (BANK 1, SENSOR 1) (ON EXHAUST SYSTEM) HEATED OXYGEN SENSOR (BANK 1, SENSOR 2) (ON EXHAUST SYSTEM) HEATED OXYGEN SENSOR (BANK 2, SENSOR 1) (ON EXHAUST SYSTEM) KNOCK SENSOR (LEFT SIDE OF ENGINE BLOCK) MOPS OCV- OCV+ IGF CAN- NCA WIRE NE+ OIL PRESSURE SWITCH (ON LEFT SIDE OF ENGINE) PNK/BLK WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE RL VG THA THA VTA NE- THROTTLE CONTROL MOTOR (TOP REAR OF ENGINE) TRANSMISSION SYSTEM VIO WIRE W/ SEQUENTIAL M/T W/O SEQUENTIAL M/T WHT WIRE WHT/BLK WIRE YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE