Toyota Tundra I facelift (2002-2006) body ecu (behind left side of dash) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 ACTY 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 IG 3 6 CGSW CGID ACTD GND ANTI-THEFT SYSTEM BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CARGO LP FUSE COMPUTER DATA LINES SYSTEM COMPUTER DATA LINES SYSTEM INTEGRATION CONTROL, PANEL CIRCUIT HEADLIGHTS SYSTEM COMPUTER DATA LINES SYSTEM INTERIOR LIGHTS SYSTEM DOOR 2 FUSE DOOR LOCKS SYSTEM DRIVER SIDE J/B ECU-B FUSE ECU-IG FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM EXTERIOR LIGHTS SYSTEM HEADLIGHTS SYSTEM HEADLIGHTS SYSTEM STARTING/CHARGING SYSTEM HF HU TAIL HEAD CGSW FFOG ALTL HORN KSW HORNS SYSTEM HORNS SYSTEM HEADLIGHTS SYSTEM DOOR LOCKS SYSTEM HOT AT ALL TIMES HOT IN ACC OR ON HOT IN ON OR START HRLY TRLY ILE BDR CGB CGLP RLU RLD LSWL DCTY RLCY IND HIND INTEGRATION CONTROL, PANEL J/C 49, 50 (BEHIND CENTER OF DASH) LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE PNK DOP HCTY HR DIM H-ON BZR WIRE PNK WIRE PNK/BLK WIRE PNK/BLU WIRE POWER WINDOWS SYSTEM DOOR LOCKS SYSTEM INTERIOR LIGHTS SYSTEM RAD 2 FUSE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE SUB J/B 3 (BEHIND CENTER OF DASH) SUB J/B 4 (BEHIND CENTER OF DASH) VIO WIRE WARNING SYSTEM WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/GRN WIRE YEL/RED WIRE

10 11 CGB BLK WIRE BLK/WHT WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BR (IN LEFT REAR DOOR) CARGO LIGHT, HIGH MOUNTED STOP LIGHT CARGO LP FUSE CGID CGLP CGSW FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) HOT AT ALL TIMES INTEGRATION CONTROL, PANEL J/C 49, 50 (BEHIND CENTER OF DASH) J/C 58 (BEHIND RIGHT SIDE OF DASH) RED WIRE SUB J/B 4 (BEHIND CENTER OF DASH) WHT WIRE WHT/GRN WIRE

& MOTOR (AT CENTER FRONT OF ROOF) 11 3 12 TC D/G TS A/B ABS ACTUATOR WITH ECU (IN RIGHT REAR CORNER OF ENGINE COMPT) BLK WIRE BLK/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRN WIRE CENTER AIR BAG SENSOR ASSEMBLY (BEHIND LOWER CENTER OF DASH, ON TRANSMISSION TUNNEL) D/G DATA LINK CONNECTOR 3 (BELOW LEFT SIDE OF DASH, NEAR CENTER CONSOLE) DOOR DRIVER DOOR ECU (IN DRIVER'S DRIVER SIDE J/B (UNDER LEFT END OF DASH) EC (ON LEFT SIDE OF FIREWALL) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) FRONT PASSENGER DOOR ECU (IN FRONT PASSENGER'S DOOR) GRN WIRE GRN/BLK WIRE HOT AT ALL TIMES DRIVER SIDE J/B (UNDER LEFT END OF DASH) OBD FUSE J/C 45 (BEHIND LEFT SIDE OF DASH) MOON ROOF CONTROL ECU PNK WIRE PNK/BLK WIRE RED WIRE RED/BLU WIRE SIL SKID CONTROL ECU (BEHIND CENTER OF DASH) SRS WARNING LIGHT (COMBINATION METER) SUB J/B 3 (BEHIND CENTER OF DASH) W/ MOON- ROOF W/ VSC W/O VSC WFSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL/GRN WIRE

1 2 3 4 5 6 7 8 IG LR LL +B EL ER BLK WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) COMBINATION METER DRIVER SIDE J/B DRIVER SIDE J/B STOP FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) TURN- HAZ FUSE FUSIBLE ALT FUSE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE HAZARD SWITCH (INTEGRATION CONTROL, PANEL) HIGH MOUNTED STOP LIGHT DRIVER SIDE J/B TURN TAIL STOP HOT AT ALL TIMES HOT IN ON OR START J/C 30 (ON RIGHT FRONT OF ENGINE EM COMPT) J/C 33 (ON LEFT SIDE OF ENGINE COMPT) J/C 33 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) J/C 35 (ON LEFT SIDE OF ENGINE COMPT) J/C 38, 39 (BEHIND LEFT KICK PANEL) J/C 45 (BEHIND LEFT SIDE OF DASH) J/C 45 (BEHIND LEFT SIDE OF DASH) (IN LEFT REAR DOOR) BR IO J/C 46 (BEHIND LEFT SIDE OF DASH) J/C 47, 48 (BEHIND LEFT SIDE OF DASH) J/C 51, 52 (BEHIND CENTER OF DASH) J/C 51, 52, 53 (BEHIND CENTER LEFT FRONT PARK/ TURN SIGNAL LIGHT 1 LEFT FRONT PARK/ TURN SIGNAL LIGHT 2 LEFT LICENSE PLATE LIGHT LEFT REAR COMBINATION LIGHT LH RH (COMBINATION SWITCH) LIGHT CONTROL SWITCH (COMBINATION SWITCH) HEAD OFF TAIL LT GRN WIRE LT GRN/RED WIRE OF DASH) ORG/ WIRE PARK RED WIRE RED/BLU WIRE RIGHT LICENSE PLATE LIGHT RIGHT REAR COMBIN- ATION LIGHT RIGHT RIGHT FRONT FRONT PARK/ PARK/ TURN TURN SIGNAL SIGNAL LIGHT 2 LIGHT 1 STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) TAIL TAIL FUSE TAILLIGHT RELAY TURN TURN SIGNAL FLASHER (UNDER LEFT SIDE OF DASH) TURN SIGNAL INDICATOR LIGHTS TURN SIGNAL SWITCH TURN TAIL STOP WHT WIRE WHT/BLK WIRE YEL WIRE

2 1 8 4 25 14 19 7 15 22 10 9 ACT- ACT+ PCTY RRCY BECU ACTD 2 3 5 1 RDA PRG +B 9 4 18 15 16 1 7 5 14 BDR HRLY SH DCTY RLCY IG 9 5 6 BZR HCTY HR BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU/BLK WIRE BLU/RED WIRE BLU/WHT WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BQ (BELOW LEFT FRONT SEAT) BUZZER DOOR LOCK CONTROL RECEIVER (W/ KEYLESS) (BEHIND CENTER OF DASH) ECU-B FUSE ENGINE HOOD COURTESY SWITCH (W/O KEYLESS) (AT LEFT FRONT OF ENGINE COMPT) GRY/RED WIRE HEADLIGHTS SYSTEM HORNS SYSTEM HOT AT ALL TIMES HOT AT ALL TIMES ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) DOOR 2 FUSE IND INTEGRATION CONTROL, PANEL INTERIOR LIGHTS J/C 34 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) J/C 35 (ON LEFT SIDE OF ENGINE COMPT) J/C 36, 37 (BEHIND LEFT KICK PANEL) J/C 38, 39 (BEHIND LEFT KICK PANEL) J/C 45 (BEHIND LEFT SIDE OF DASH) J/C 47, 48 (BEHIND LEFT SIDE OF DASH) J/C 58 (BEHIND RIGHT SIDE OF DASH) LSWR GND KSW PRG RDA LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE PNK/BLK WIRE PNK/BLU WIRE RED/BLK WIRE RED/WHT WIRE RED/YEL WIRE RIGHT REAR DOOR LOCK MOTOR, DOOR UNLOCK DETECTION SEQ SUB J/B 3 (BEHIND CENTER OF DASH) SWITCH (AT REAR OF RIGHT REAR DOOR) SYSTEM TRLY LSWL UNLOCK WARNING SWITCH (IN UPPER RIGHT SIDE OF STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WIRELESS DOOR LOCK BUZZER (W/ KEYLESS) (AT LEFT FRONT CORNER OF ENGINE COMPT) YEL/GRN WIRE

1 4 IG HRLY 16 5 RLCY TRLY EXTERIOR LIGHTS SYSTEM 2 3 DOOR LOCK CONTROL RECEIVER (BEHIND CENTER OF DASH) RDA PRG 25 4 8 3 22 18 9 10 BECU RRCY PCTY PKB KSW HIND RDA PRG 8 7 17 15 18 14 12 13 H-ON DIM FFOG HEAD ALTL TAIL HF HU BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) COMBINATION SWITCH COURTESY 1) (AT RIGHT "B" PILLAR) COURTESY 2) (AT LEFT "B" PILLAR) DAYTIME RUNNING LIGHT RESISTOR (ON LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) DCTY DIMMER RELAY DIMMER SWITCH DIODE (DOOR DRIVER SIDE J/B DRL 4 RELAY DRL FUSE ECU-B FUSE ECU-IG FUSE ENGINE COMPT, UNDER ENGINE ROOM R/B) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPT) FOG FUSE FOG LIGHT RELAY FOGLIGHT SWITCH FUSE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE H-LP RL HEAD RELAY HIGH BEAM IND HOT AT ALL TIMES HOT IN ON OR START J/C 35 (ON LEFT SIDE OF ENGINE COMPT) EA J/C 38, 39 (BEHIND LEFT KICK PANEL) J/C 50 (BEHIND CENTER OF DASH) SUB J/B 3 (BEHIND CENTER OF DASH) JUNCTION CONNECTOR 32 (ON LEFT SIDE OF JUNCTION CONNECTOR 34 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) JUNCTION CONNECTOR 35 JUNCTION CONNECTOR 45 (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT FOG LIGHT RIGHT FRONT FOG LIGHT LEFT HEADLIGHT LEFT REAR DOOR COURTESY SWITCH LH H-LP FUSE LIGHT CONTROL SWITCH LL H-LP FUSE LOW FLASH LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT LT MAIN FUSE OFF PARKING BRAKE SWITCH COMBINATION METER PNK 1 WIRE PNK WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RH H-LP FUSE RIGHT FRONT DOOR COURTESY SWITCH RIGHT HEADLIGHT RIGHT REAR DOOR COURTESY SWITCH STARTING/CHARGING SYSTEM SUB J/B 3 (BEHIND CENTER OF DASH) SUB J/B 4 (BEHIND CENTER OF DASH) UNLOCK WARNING SWITCH (IN UPPER RIGHT SIDE OF STEERING COLUMN) VIO WIRE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

6 SPEAKER 10 SPEAKER ALT FUSE ASHTRAY ILLUM BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CIGARETTE LIGHTER ILLUMINATION COMBINATION METER ILLUMINATION (COMBINATION METER) COMBINATION SWITCH TAIL HEAD OFF LIGHT CONTROL SWITCH DRIVER SIDE J/B FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GLOVE BOX LIGHT GRN WIRE GRY WIRE HOT AT ALL TIMES INTEGRATION CONTROL, PANEL ILL+ J/C 45 (BEHIND LEFT SIDE OF DASH) J/C 46 (BEHIND LEFT SIDE OF DASH) J/C 57 (BEHIND RIGHT SIDE OF DASH) J/C 58 (BEHIND RIGHT SIDE OF DASH) LT GRN WIRE OVERHEAD MODULE (AT CENTER FRONT OF ROOF) PANEL FUSE RADIO, PLAYER ILL+ RED WIRE RHEOSTAT SEAT HEATER SWITCH (DRIVER'S SEAT HEATER SWITCH (FRONT PASSENGER'S SEAT) SEAT) STEERING PAD SWITCH (COMBI- NATION SWITCH) SUB J/B 4 (BEHIND CENTER OF DASH) SWG TAIL TAIL RELAY WHT WIRE WHT/BLK WIRE WHT/GRN WIRE

A/C A/C FUSE ACLD AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM TRANSMISSIONS SYSTEM BLK/ORG WIRE BLK/WHT WIRE BLU WIRE BLU/WHT WIRE BLU/YEL WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CGID SEQ CGLP CGSW CGSW RDEF COMBINATION METER CPU H-L FRS REC -S DEF IG +B DEFOGGER SYSTEM DOME FUSE DRIVER SIDE J/B ENGINE CONTROLS SYSTEM ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE COMPARTMENT) GAUGE FUSE GND PBKL GRN WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE GRY/BLU WIRE HOT AT ALL TIMES HOT IN ON OR ACC HOT IN ON OR START ILL- A/CS IND INTEGRATION CONTROL, PANEL INTERIOR LIGHTS SYSTEM ENGINE CONTROLS SYSTEM J/C 49, 50 (BEHIND CENTER OF DASH) J/C 52, 53 (BEHIND CENTER OF DASH) J/C 58 (BEHIND RIGHT SIDE OF DASH) LT GRN/BLK WIRE PNK 2 4 WIRE PNK/BLK WIRE RAD 2 FUSE RED WIRE RED/BLU WIRE SUB J/B 4 (BEHIND CENTER OF DASH) TRANSMISSIONS SYSTEM WARNING SYSTEM WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL WIRE YEL/BLK WIRE

1 2 3 4 5 6 7 8 9 10 PNK WIRE 8 16 PCTY PNK WIRE BLK WIRE BLK/RED WIRE BLU WIRE BLU/WHT WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) CLS DCTY DOWN DOWN UP IG DRIVER SIDE J/B (UNDER LEFT END OF DASH) ECU-IG FUSE GRN/YEL WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START J/C 42, 43 (BEHIND LEFT KICK PANEL) J/C 46 (BEHIND LEFT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH LT GRN/BLK WIRE MOON ROOF CONTROL ECU, MOTOR (AT CENTER FRONT OF ROOF) MOON ROOF CONTROL SWITCH OPEN CLOSE OPN OVERHEAD MODULE (AT CENTER FRONT OF ROOF) PNK PNK WIRE PNK/BLK WIRE RED WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT DOOR COURTESY SWITCH SUN ROOF FUSE WHT WIRE WHT/BLK WIRE

1 2 3 4 5 6 7 8 +B RTOT RTIN LTOT 2 3 4 5 6 7 TRAILER SOCKET (AT CENTER OF REAR BUMPER) BACK-UP LAMPS CIRCUIT BATT CHARGE FUSE BLK WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BRK BRN (OR GRN) WIRE BS (AT LEFT REAR CORNER OF CAB) DRIVER SIED J/B ECU-IG FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 3 (ON LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN (OR BRN) WIRE GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE HOT AT ALL TIMES HOT IN ON OR START IPO J/C 31 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) J/C 34 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) J/C 35 (ON LEFT SIDE OF ENGINE COMPT) J/C 38, 39 (BEHIND LEFT KICK PANEL) J/C 45 (BEHIND LEFT SIDE OF DASH) J/C 46 (BEHIND LEFT SIDE OF DASH) J/C 47, 48 (BEHIND LEFT SIDE OF DASH) J/C 49, 50 (BEHIND CENTER OF DASH) J/C 51, 52 (BEHIND J/C 51, 52 (BEHIND CENTER OF DASH) LT GRN WIRE LTIN OPTION CONNECTOR (W/ TOWING PACKAGE) (BEHIND LEFT KICK PANEL) ORG/ WIRE RED (OR YEL) WIRE RED WIRE RED/BLK WIRE RED/WHT WIRE STIN STOP STOP FUSE STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) SUB J/B 3 (BEHIND CENTER OF DASH) TAIL TAIL FUSE TOWING BRK FUSE TOWING FUSE TOWING TAIL FUSE TOWING TAIL RELAY TRAILER CONVERTER TURN SIGNAL IG FLASHER (UNDER LEFT SIDE OF DASH) LR TURN, HAZ FUSE W/O TOWING PACKAGE WHT WIRE WHT/BLK WIRE YEL WIRE