Toyota Sequoia I facelift (2004-2007) engine control module (behind right side of dash) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 CSLD CDR+ CDR- CDL+ CDL- MUTE 1 2 3 4 5 6 NTSC 1 2 3 4 5 PKB ACCR ATX- BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE COMBINATION METER EAU ECU-B FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B RAD 1 FUSE (ON LEFT SIDE OF ENGINE COMPARTMENT) FUSE GAUGE FUSE GRN WIRE GRN/ORG WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START ILL- ANT INSTRUMENT PANEL J/B INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) IO (AT RIGHT DASH BRACE) IPO J/C 17 (BEHIND LEFT CENTER OF DASH) J/C 37, 38 (LEFT SIDE OF DASH) J/C 8 (BEHIND LEFT END OF DASH) LT GRN WIRE LT GRN/RED WIRE MODE MUTE R+ L+ SLD NCA WIRE ORG/ WIRE PARK/NEUTRAL POSITION SWITCH (ON TRANSMISSION) PNK ATX- WIRE PNK WIRE R- L- GND RAD 2 FUSE (BEHIND LEFT END OF DASH) RADIO, PLAYER W/ DISPLAY RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE REV RSLD R-R+ R-R- R-L+ R-L- RMUT SEEK SGND SPEEDO- METER STEERING SWITCH (COMBINATION SWITCH) SUB J/B 3 (BEHIND RIGHT SIDE OF INSTRUMENT CLUSTER) SUB J/B 4 (BEHIND RIGHT SIDE OF INSTRUMENT CLUSTER) SWG TX+ TX- IVO+ IVO- VEHICLE SPEED SENSOR (COMBINATION METER) VIO WIRE VOL (-) WHT WIRE WHT/GRN WIRE YEL WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 S-GND R+ R- L+ L- MUTE 1 2 3 4 5 6 7 8 9 10 11 BU+B ILL+ 12 13 14 15 16 17 18 19 20 ILL- ANT+B ACCR ANTENNA AMPLIFIER (BEHIND RIGHT CENTER OF DASH) BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE BRN/WHT WIRE CLUSTER EAU ECU-B FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) RAD 1 FUSE ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT) GRN WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR ACC INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) IO (AT RIGHT DASH BRACE) J/C 37, 38 (LEFT SIDE OF DASH) LT GRN WIRE LT GRN/RED WIRE MODE MUTE R+ L+ GND ACC+B NCA WIRE ORG/ WIRE PNK TX- WIRE PNK WIRE R- L- GND RAD 2 FUSE RAD 3 FUSE RADIO, PLAYER RED WIRE RED/GRN WIRE RED/WHT WIRE RSE FUSE RSR+ RSR- RSL+ RSL- RMU SEEK STEERING SWITCH (COMBINATION SWITCH) SUB J/B 3 (BEHIND RIGHT SIDE OF INSTRUMENT VIO WIRE VOL (-) WHT WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE

ABS IND. BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRAKE INHIBIT RELAY (BEHIND LEFT CENTER OF DASH) BRN WIRE BRN/YEL WIRE CENTER CONSOLE COMBINATION METER CONTROL ECU (BEHIND RIGHT CENTER OF DASH) CPU GND CSW TS TC CD ENG ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) GAUGE FUSE FUSE GRN WIRE GRN/YEL WIRE GYAW HOT IN ACC OR ON HOT IN ON OR START HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) ECU-IG FUSE IG (AT RIGHT KICK PANEL) IND WT BRL GND INTEGRATION CONTROL, PANEL IPO JUNCTION CONNECTOR 18 (BEHIND RIGHT END OF DASH) JUNCTION CONNECTOR 41 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 43 JUNCTION CONNECTOR 51, 52 (BEHIND RIGHT END OF DASH) JUNCTION CONNECTOR 53, 54, 55, 56 (BEHIND RIGHT END OF DASH) LT GRN WIRE LT GRN/RED WIRE ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH (ON TRANSMISSION) PARKING BRAKE SWITCH (BEHIND LEFT SIDE OF DASH, ON PARKING BRAKE LEVER) PNK/BLK WIRE PNK/BLU WIRE RAD 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE SLIP IND STEERING ANGLE SENSOR (INSIDE OF STEERING COLUMN) SUB J/B 3 (BEHIND RIGHT SIDE OF INSTRUMENT CLUSTER) SUB J/B 4 (BEHIND RIGHT SIDE OF INSTRUMENT CLUSTER) SUSPENSION CONTROL ECU (CENTER OF DASH, BELOW RADIO) TRAC OFF IND TRANSLATE ECU (ABOVE RIGHT KICK PANEL) TRIG VSC VSC OFF IND VSC TRAC IND VSC WARNING BUZZER VYS WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLU WIRE YEL/GRN WIRE

21 28 THW 9 14 1 24 25 LMS THWO TACH A/C CONTROL (REAR HEATER CONTROL PANEL) (W/ REAR A/C) A/C POWER TRANSISTOR (W/ REAR A/C) (ON RIGHT REAR OF VEHICLE) A/C ROOM TEMPERATURE SENSOR (REAR) (W/ REAR A/C) (FRONT OF LEFT QUARTER PANEL) A/C WATER VALVE (REAR) (W/ REAR A/C) (ON RIGHT REAR OF VEHICLE) ACT ACT HR HRHR AIR VENT MODE CONTROL SERVO MOTOR (REAR) BLK WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BP (AT RIGHT SIDE OF REAR QUARTER PANEL) BRN/WHT WIRE CLK+ DPD ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE CONTROL SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (ON RIGHT FRONT OF ENGINE) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE HOT IN ON OR START IG (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION CONTROL, PANEL (BEHIND CENTER OF DASH) JUNCTION CONNECTOR 14 JUNCTION CONNECTOR 31, 32 (LEFT KICK PANEL) JUNCTION CONNECTOR 43 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 57 LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MCOOL MHOT NCA WIRE ORG/ WIRE PNK/BLK WIRE PNK/BLU WIRE PNK/GRN WIRE RED WIRE RED/ BLU WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RRFACE RRB/L RRBLK RRDPD RRSWD RRVM RRAMH RRAMC RRSG RRFOOT RRSTX RRCLK RRBLW RRTE RRTP RRTR SGRRTR STX SWD TW IGN W/ REAR A/C WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLK WIRE YEL/GRN WIRE

12 4 TC SIL 16 15 14 SIL TC LA 28 27 16 14 11 7 TC TS ENG- ENG+ VSC- VSC+ 30 28 29 SIL CANL CANH 34 33 CANL CANH 6 2 40 15 CANH CANL TS D/G BACK DOOR ECU (ON LEFT SIDE OF LIFTGATE) BLK WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT END OF DASH) BRN WIRE COMBINATION METER DIA DRIVER DOOR ECU (IN LEFT FRONT DOOR) EB (AT REAR OF OF RIGHT CYLINDER HEAD) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) FRONT PASSENGER DOOR ECU (IN RIGHT FRONT DOOR) GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE HOT AT ALL TIMES IG (AT RIGHT KICK PANEL) INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) INTEGRATION CONTROL, PANEL (BEHIND CENTER OF DASH) JUNCTION CONNECTOR 33, 34 (LEFT KICK PANEL) JUNCTION CONNECTOR 43 (RIGHT SIDE OF DASH) JUNCTION CONNECTOR 53, 54, 55, 56 (BEHIND RIGHT END OF DASH) LT GRN/BLK WIRE LT GRN/RED WIRE MEMORY SEAT ECU, SW (SIDE OF LEFT FRONT SEAT) MPX OBD FUSE ORG/ WIRE PNK/BLK WIRE RED WIRE RED/BLU WIRE SIL SKID CONTROL ECU W/ ACTUATOR (ON RIGHT REAR OF ENGINE COMPT) SLIDING ROOF CONTROL ECU (ON CENTER FRONT OF ROOF) SUB J/B 3 (BEHIND RIGHT SIDE OF INSTRUMENT CLUSTER) SUSPENSION CONTROL ECU (CENTER OF DASH, BELOW RADIO) TRANSLATE ECU (ABOVE RIGHT KICK PANEL) TRANSPONDER KEY COMPUTER (INSIDE OF STEERING COLUMN) W/O MEMORY W/ MEMORY WHT WIRE WHT/BLU WIRE WHT/RED WIRE

1 2 3 7 8 9 11 15 16 20 18 26 21 23 19 27 +B 2 8 18 21 33 34 35 CCS SPD PI 5 6 7 17 19 20 23 28 M+ ACCELERATOR PEDAL POSITION SENSOR (ON THROTTLE BODY) BATT +BM MREL IGSW CCC STP BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE C/C CANCEL ECC CANH CANL EOM COMBINATION METER COMBINATION SWITCH CRUISE CONTROL SWITCH CRUISE IND DATA LINK CONNECTOR 3 (BEHIND LOWER LEFT SIDE OF DASH, RIGHT OF STEERING COLUMN) EB (AT REAR OF RIGHT CYLINDER HEAD) EC (AT REAR OF LEFT CYLINDER HEAD) ECTS FUSE EFI 1 FUSE EFI RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) EPA VPA VCPA FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) IPO JUNCTION JUNCTION CONNECTOR JUNCTION CONNECTOR 16 (BEHIND RIGHT END OF DASH) JUNCTION CONNECTOR 17 (BEHIND LEFT END OF DASH) JUNCTION CONNECTOR 5 (ON LEFT SIDE OF ENGINE COMPT, NEAR ENGINE ROOM J/B) JUNCTION CONNECTOR 8 (BEHIND LEFT END OF DASH) LT GRN/RED WIRE M- M+ VC ON OFF ORG/ WIRE PNK M+ WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE RAD 2 FUSE RED WIRE RED/BLU WIRE RED/YEL WIRE SPEEDO- METER STOP FUSE STOP LIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) SUB J/B 3 (BEHIND RIGHT SIDE OF INSTRUMENT CLUSTER) SUB J/B 4 (BEHIND RIGHT SIDE OF INSTRUMENT CLUSTER) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE

AGND BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT END OF DASH) BRN WIRE CODE COMBINATION METER CTY DATA LINK CONNECTOR 3 DCTY ECU-B FUSE EFI 1 FUSE EFI RELAY EFII EFIO ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) EOM FUSE GRY/BLK WIRE GRY/BLU WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN RUN OR START IG (AT RIGHT KICK PANEL) IMI IMO IND INSTRUMENT PANEL J/B (BEHIND LEFT END OF DASH) J/C 16 (BEHIND RIGHT END OF DASH) J/C 29, 30 (LEFT KICK PANEL) J/C 43 (RIGHT SIDE OF DASH) J/C 5 (ON LEFT SIDE OF ENGINE COMPT, NEAR ENGINE ROOM J/B) ED J/C 8 (BEHIND LEFT END OF DASH) LEFT FRONT DOOR COURTESY SWITCH LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PNK/GRN WIRE RED/YEL WIRE RXCK SECURITY INDICATOR SUB J/B 3 (BEHIND RIGHT SIDE OF INSTRUMENT CLUSTER) SUB J/B 4 (BEHIND RIGHT SIDE OF INSTRUMENT CLUSTER) TRANSPONDER KEY AMPLIFIER (INSIDE OF STEERING COLUMN) TRANSPONDER KEY COIL TRANSPONDER KEY COMPUTER (INSIDE OF STEERING COLUMN) TXCT UNLOCK WARNING SWITCH WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/GRN WIRE

AIP ACIS PRG BLK WIRE BLK/BLU WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BRN WIRE CAMSHAFT POSITION SENSOR (FRONT OF LEFT CYLINDER HEAD) CRANKSHAFT POSITION SENSOR (LOWER FRONT OF ENGINE) EC (REAR OF LEFT CYL HEAD) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE COOLANT TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE) FPR FUSE GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES IG RIGHT KICK PANEL) IGNITION COILS, IGNITERS INJ 1 INJ 2 INJ 3 INJ 4 INJ 5 INJ 6 INJ 8 INJ 7 M- M+ INSTRU- MENT PANEL J/B (BEHIND LEFT END OF DASH) J/C LEFT VVT SENSOR (TOP LEFT SIDE OF ENG) LT GRN WIRE LT GRN/BLK WIRE MASS AIRFLOW METER (RIGHT FRONT OF ENG COMPT) NCA WIRE NE- NE+ NOISE FILTER 1 (TOP CENTER OF ENG) PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/WHT WIRE RIGHT CAMSHAFT TIMING OIL CONTROL VALVE (ON RIGHT FRONT OF ENG) STA STSW STARTING/CHARGING SYSTEM THA THROTTLE CONTROL MOTOR, POSITION SENSOR (LEFT FRONT OF ENG, ON THROTTLE BODY) THW THA VC VIO WIRE WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE

ACT BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE COMBINATION METER COMPUTER DATA LINES SYSTEM EFII EFIO ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) EOM FPS GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/GRN WIRE GRY/RED WIRE IE (LEFT KICK PANEL) IG RIGHT KICK PANEL) IMI IMO INTEGRATION CONTROL AND PANEL (BEHIND CENTER OF DASH) J/C LLP- LMS LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MALF IND LAMP A/T OIL TEMP IND O/D OFF IND ODLP OF DASH) OILW ORG/ WIRE PARK/ NEUTRAL POSITION SWITCH (ON TRANS) PNK/BLU WIRE PNK/GRN WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE SPEEDO- METER SUB J/B 3 (BEHIND RIGHT SIDE OF CLUSTER) SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEM CRUISE CONTROL TACH TACHO- METER THWO TRANSPONDER KEY COMPUTER (INSIDE OF STEERING COLUMN) VEHICLE SPEED SENSOR (ON TRANS) VIO/WHT WIRE WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

A/C SYSTEM ACCELERATOR PEDAL POSITION SENSOR ACCR VPA BATT SIV VPMP MPMP +BM MREL IGSW FC CCC ELS AIDI BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU LT WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE COMPUTER DATA LINES SYSTEM EC (REAR OF RIGHT CYL HEAD) ELECTRONICALLY CONTROLLED TRANSMISSION SOLENOID (ON TRANSMISSION) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (LEFT SIDE OF ENGINE COMPT) ETCS FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE GRY/GRN WIRE HOT AT ALL TIMES IF (LEFT DASH BRACE) J/C KNKE LT GRN WIRE LT GRN/BLK WIRE NT- NT- EKNK O/D MAIN SWITCH ORG/ WIRE OT+ OT- PNK/BLK WIRE PNK/BLU WIRE PPMP TC RED WIRE RED/BLK WIRE RED/GRN WIRE RED/WHT WIRE SIP VCPA SLT- SLT+ SLU+ SLU- SLU+ SLU- SLT+ SLT- STAR SR STARTING/ CHARGING SYSTEM VIO WIRE VIO/GRN WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/RED WIRE