Toyota Tundra I facelift (2002-2006) ecu-ig fuse Wiring diagrams

ALT FUSE ALTL BATTERY BATTERY GROUND BLK WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) COMBINATION METER CHARGE WARNING LIGHT DRIVER'S DRIVER'S SIDE J/B (UNDER LEFT END OF DASH) ECU-IG FUSE ENGINE ROOM J/B ALT-S FUSE (ON LEFT SIDE OF ENGINE COMPT) EXCEPT TOWING TOWING PACKAGE PACKAGE FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GENERATOR GRN WIRE HOT IN ON OR START IGN 1 FUSE SIDE J/B (UNDER LEFT END OF DASH) JUNCTION CONNECTOR JUNCTION CONNECTOR 31 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) NCA WIRE ORG/ WIRE RED WIRE WHT WIRE YEL WIRE YEL/GRN WIRE

21 23 5 SIG CPUB CTYB 25 19 BECU 4 8 15 RRCY PCTY GND 6 20 13 DCYL 8 1 16 15 ILE IG RLCY DCTY 8 11 19 12 10 6 GND ACTY BLK WIRE BLK/RED WIRE BLU WIRE BLU/BLK WIRE BRN WIRE BS (AT LEFT REAR CORNER OF CAB) COMBINATION METER DOOR IND CONTROL CIRCUIT CTYB DIODE (DOOR COURTESY 1) (AT RIGHT ``B" PILLAR) DIODE (DOOR COURTESY 2) (AT LEFT ``B" PILLAR) DOME FUSE DOOR DRIVER SIDE J/B ECU-B FUSE ECU-IG FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GAUGE FUSE GRN/BLK WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IGNITION KEY CYLINDER LIGHT IN (BEHIND RIGHT END OF DASH) INTERIOR LIGHT) IP (BEHIND CENTER OF DASH) J/C 36, 37 (BEHIND LEFT KICK PANEL) J/C 38, 39 LEFT REAR DOOR COURTESY LIGHT (BEHIND LEFT KICK PANEL) J/C 42, 43 J/C 42, 43 (BEHIND LEFT KICK PANEL) J/C 45 (BEHIND LEFT SIDE OF DASH) J/C 46 (BEHIND LEFT SIDE OF DASH) J/C 58 (BEHIND RIGHT SIDE OF DASH) LEFT FRONT DOOR COURTESY LIGHT LEFT FRONT DOOR COURTESY SWITCH LEFT REAR DOOR COURTESY SWITCH LEFT VANITY LIGHT LT GRN WIRE LT GRN/BLK WIRE LUGGAGE ROOM LIGHT (LEFT REAR COMBINATION LIGHT) OF DASH) OFF ORG/ WIRE PCYL FRONT PASSENGER DOOR ECU (IN FRONT PASSENGER'S DOOR) PERSONAL LIGHT (OVERHEAD MODULE) RED WIRE RED/WHT WIRE RIGHT FRONT DOOR COURTESY LIGHT RIGHT FRONT DOOR COURTESY SWITCH RIGHT REAR DOOR COURTESY LIGHT RIGHT REAR DOOR COURTESY SWITCH RIGHT VANITY LIGHT SIG CPUB STEP LIGHT SUB J/B 3 (BEHIND CENTER SUB J/B 3 (BEHIND CENTER OF DASH) SUB J/B 4 (BEHIND CENTER OF DASH) WHT WIRE WHT/BLK WIRE WHT/RED WIRE YEL WIRE

3.4L 4.7L A/T BLU WIRE BLU/RED WIRE BRAKE FLUID LEVEL WARNING SWITCH (W/O VSC) (ON BRAKE FLUID RESERVOIR) BRN WIRE COMBINATION METER COMBINATON SWITCH DAYTIME RUNNING LIGHT RESISTOR (ON LEFT SIDE OF ENGINE COMPT, NEAR BATTERY) DIMMER RELAY DIMMER SWITCH DRIVER'S SIDE J/B DRL 4 RELAY ECU-IG FUSE ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) FOG FUSE FOG RELAY FOGLIGHT SWITCH GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE H-LP RELAY HEAD HIGH BEAM IND HIGH FLASH LOW LOW HOT AT ALL TIMES HOT IN ON OR START IE (BEHIND LEFT KICK PANEL) IH (BEHIND RIGHT KICK PANEL) INTEGRATION RELAY J/C 13 (BEHIND RIGHT KICK PANEL) J/C 18 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) J/C 2 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) J/C 25 (ON LEFT SIDE OF ENGINE EA IF COMPT) J/C 25 EA J/C 26, 27 (BEHIND LEFT J/C 3 (BEHIND LEFT KICK PANEL) J/C 4 (BEHIND LEFT KICK PANEL) J/C 8 (BEHIND UPPER LEFT SIDE OF DASH, NEAR INSTRUMENT CLUSTER) JUNCTION CONNECTOR 25 (ON LEFT SIDE OF ENGINE COMPT) KICK PANEL) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT FOGLIGHT LEFT HEAD- LIGHT LEFT HI HEAD FUSE LEFT LO HEAD FUSE LIGHT CONTROL SWITCH M/T PARKING BRAKE SWITCH (INSIDE UPPER RIGHT SIDE OF STEERING COLUMN) PARKING BRAKE SWITCH (ON BASE OF PARK BRAKE PEDAL BRACKET, NEAR KICK PANEL) PNK PNK WIRE PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT FOGLIGHT RIGHT HEADLIGHT RIGHT HI HEAD FUSE RIGHT LO HEAD FUSE STARTING/ CHARGING SYSTEM TAIL TAIL FUSE (BEHIND LOWER LEFT SIDE OF DASH) TAIL HEAD FLASH OFF OFF VIO WIRE W/ DOOR LOCK CONTROL W/O DOOR LOCK CONTROL WHT WIRE WHT/BLK WIRE WHT/GRN WIRE YEL/BLK WIRE YEL/GRN WIRE

BLK WIRE BLU WIRE COMBINATION METER COMBINATION SWITCH DIMMER SWITCH DRIVER SIDE J/B (BEHIND LOWER LEFT SIDE DRIVER SIDE J/B (BEHIND LOWER LEFT SIDE OF DASH) ECU-IG FUSE ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPT) FOG FUSE FOG RELAY FOGLIGHT SWITCH GRN WIRE GRN/RED WIRE GRN/YEL WIRE H-LP RELAY HEAD HIGH BEAM INDICATOR HOT AT ALL TIMES HOT IN ON OR START IE (BEHIND LEFT KICK PANEL) INTEGRATION RELAY JUNCTION CONNECTOR 13 (BEHIND RIGHT KICK PANEL) II JUNCTION CONNECTOR 18 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) JUNCTION CONNECTOR 2 (ON LEFT SIDE JUNCTION CONNECTOR 2 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM JUNCTION CONNECTOR 25 (ON LEFT SIDE OF ENGINE COMPT) EA JUNCTION CONNECTOR 26, 27 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 3 (BEHIND LEFT KICK PANEL) IF JUNCTION CONNECTOR 4 (BEHIND LEFT KICK PANEL) JUNCTION CONNECTOR 8 (BEHIND UPPER LEFT SIDE OF DASH, NEAR INSTRUMENT CLUSTER) LEFT FRONT DOOR COURTESY SWITCH LEFT FRONT FOGLIGHT LEFT HEAD FUSE RIGHT HEAD FUSE LEFT HEADLIGHT LIGHT CONTROL SWITCH HEAD OF DASH) OF ENGINE COMPT, UNDER ENGINE ROOM OFF PNK WIRE R+B R/B) PNK WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RED/YEL WIRE RIGHT FRONT FOGLIGHT RIGHT HEADLIGHT TAIL TAIL FUSE W/ DOOR LOCK CONTROL W/O DOOR LOCK CONTROL WHT WIRE WHT/BLK 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

14 12 13 TAIL HF HU 16 5 RLCY TRLY EXTERIOR LIGHTS SYSTEM 17 15 FFOG HEAD 2 3 RDA PRG 22 25 4 8 9 10 KSW BECU RRCY PCTY RDA PRG BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLU WIRE BODY ECU (BEHIND LEFT END OF DASH) COMBINATION METER COMBINATION SWITCH COURTESY 1) (AT RIGHT "B" PILLAR) COURTESY 2) (AT LEFT "B" PILLAR) DIMMER SWITCH DIODE (DOOR DOOR LOCK CONTROL RECEIVER (BEHIND CENTER OF DASH) DRIVER SIDE J/B ECU-B FUSE ECU-IG FUSE ENGINE COMPT, UNDER ENGINE ROOM R/B) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FOG FUSE FOG LIGHT RELAY FOGLIGHT SWITCH GRN WIRE GRN/BLK WIRE GRN/YEL WIRE GRY/RED WIRE HEAD HEAD RELAY HIGH BEAM IND HOT AT ALL TIMES HOT IN ON OR START J/C 35 (ON LEFT SIDE OF ENGINE COMPT) EA 1 4 15 IG HRLY DCTY J/C 42, 43 (BEHIND LEFT KICK PANEL) J/C 46 (BEHIND LEFT SIDE OF DASH) J/C 50 (BEHIND CENTER OF DASH) JUNCTION CONNECTOR 32 (ON LEFT SIDE OF 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 LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE LT LT MAIN FUSE OFF 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 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/RED WIRE YEL WIRE YEL/GRN WIRE YEL/RED WIRE

3.4L 4.7L A/C FUSE ACC CUT RELAY (4.7L) AIR CONDITIONING SYSTEM ANTI LOCK BRAKES, HEADLIGHTS, EXTERIOR LIGHTS, POWER WINDOWS, DOOR LOCKS SYSTEMS BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/ORG WIRE BLU/RED WIRE CIGARETTE LIGHTER COMPUTER DATA LINES SYSTEM DOOR LOCKS SYSTEM ECU-IG FUSE EFI 2 FUSE EFI RELAY ENGINE CONTROLS SYSTEM ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FROM EFI 1 FUSE FROM ENGINE ROOM FROM HTR FUSE (DIAGRAM 1 OF 2) FROM J/B FUSE (DIAGRAM 1 OF 2) FUSE GAUGE FUSE FUSE GRN/BLK WIRE GRN/RED WIRE GRN/YEL WIRE GRY WIRE HEATER RELAY HORN FUSE TAIL FUSE CARGO LP FUSE POWER FUSE IGNITION SWITCH INTE- GRATION RELAY INTEGRATION RELAY J/C 1 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) J/C 2 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM R/B) J/C 26, 27 (BEHIND LEFT KICK PANEL) J/C 3 (BEHIND LEFT KICK PANEL) LOCK ON LOCK OFF ON ON LOCK OFF OFF POWER RELAY POWER WINDOWS SYSTEM RED WIRE RED/BLK WIRE ST RELAY (3.4L) STA FUSE IGN FUSE STARTING/ CHARGING SYSTEM STOP FUSE OBD FUSE TO POWER OUTLET RELAY (DIAGRAM 1 OF 2) TRANSMISSIONS SYSTEM TRANSMISSIONS, STARTING/CHARGING, ENGINE CONTROLS SYSTEMS TURN FUSE WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIP FUSE WIPER/WASHER SYSTEM YEL WIRE YEL/RED WIRE

1 4 7 3 +B AC INV FUSE ACC CUT RELAY BACK-UP LIGHT RELAY BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/YEL WIRE BODY COMPUTER SYSTEM CIGARETTE LIGHTER CIG FUSE FOG FUSE DEFOGGER, SEATS, AIR CONDITIONING SYSTEMS DRIVER SIDE J/B (UNDER LEFT END OF DASH) TO POWER MAIN RELAY (DIAGRAM 1 OF 2) DRIVER SIDE R/B ECU-IG FUSE ENGINE CONTROLS SYSTEM EXTERIOR LIGHTS, INSTRUMENT CLUSTER, AIR CONDITIONING SYSTEMS FOG LIGHT RELAY FROM ACC CUT RELAY (DIAGRAM 2 OF 2) FROM DRIVER SIDE J/B (DIAGRAM 1 OF 2) FUSE FUSE BOX (BEHIND RIGHT KICK PANEL) ST FUSE GAUGE FUSE GRN WIRE GRN/BLK WIRE GRY WIRE HTR FUSE WSH FUSE IGNITION SWITCH INSTRUMENT CLUSTER, MIRRORS, SOUND SYSTEMS INSTRUMENT CLUSTER, POWER TOPS SYSTEMS INV INVERTER RELAY IPO J/C 45 (BEHIND LEFT SIDE OF DASH) J/C 52 (BEHIND CENTER OF DASH) DRIVER SIDE J/B (UNDER LEFT END OF DASH) J/C 58 (BEHIND RIGHT SIDE OF DASH) LOCK LT GRN WIRE MAIN SWITCH ON LOCK OFF ON OFF PNK WIRE POWER OUTLET POWER OUTLET FUSE POWER OUTLET POWER OUTLET RAD 2 FUSE RELAY REAR POWER OUTLET RED WIRE RED/BLU WIRE RED/YEL RED/YEL WIRE RED/YEL WIRE RESTRAINTS SYSTEMS STARTING/ CHARGING SYSTEM INTERIOR LIGHTS, POWER WINDOWS, DOOR LOCKS STARTING/ CHARGING, ENGINE CONTROLS SYSTEMS SUB J/B 3 (BEHIND CENTER OF DASH) SUPPLEMENTAL RESTRAINTS SYSTEM SYSTEMS TO DRIVER SIDE J/B (DIAGRAM 2 OF 2) TRANSMISSIONS SYSTEM VOLTAGE INVERTER (AT RIGHT REAR CORNER OF CAB) 1 2 3 4 WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE WIP FUSE WIPER/ WASHER SYSTEM

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

25 19 8 5 6 15 BECU BLK WIRE BLK/RED WIRE BLU WIRE BLU/ORG WIRE BLU/WHT WIRE BODY ECU (BEHIND LEFT SIDE OF DASH) BQ (BELOW LEFT FRONT SEAT) DCTY RLU RLD DOOR 2 FUSE DRIVER SIDE J/B (UNDER LEFT END OF DASH) DWN ECU-B FUSE ECU-IG FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/YEL WIRE GRY WIRE GRY/RED WIRE HOT AT ALL TIMES HOT IN ON OR START IG BDR J/C 38, 39 (BEHIND LEFT KICK PANEL) J/C 45 (BEHIND LEFT END OF DASH) J/C 45 (BEHIND LEFT SIDE OF DASH) J/C 46 (BEHIND LEFT SIDE OF DASH) J/C 58 (BEHIND RIGHT SIDE OF DASH) LEFT FRONT DOOR COURTESY SWITCH LEFT REAR POWER WINDOW CONTROL SWITCH DWN LEFT REAR POWER WINDOW MOTOR (IN LEFT REAR DOOR) LT GRN WIRE LT GRN/BLK WIRE ORG/ WIRE PCTY RRU RRD GND POWER MAIN RELAY PWR 4 FUSE PWR 3 FUSE RED WIRE RED/BLU WIRE RIGHT FRONT DOOR COURTESY SWITCH RIGHT REAR POWER WINDOW CONTROL SWITCH RIGHT REAR POWER WINDOW MOTOR (IN RIGHT REAR DOOR) SUB J/B 3 (BEHIND CENTER OF DASH) SUB J/B 4 (BEHIND CENTER OF DASH) UP DOWN WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE