Toyota Tundra I facelift (2002-2006) engine room j/b (on left side of engine compt) Wiring diagrams

1 2 3 4 5 6 7 8 9 10 FR+ FL+ ACC+B BU+B FR- FL- GND PNK WIRE 4 PNK WIRE BLK WIRE BLU WIRE BLU/YEL WIRE BRN WIRE DRIVER SIDE J/B (UNDER LEFT END OF DASH) RAD 2 FUSE ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON ILL- RL- INTERIOR LIGHTS SYSTEM ILL + IP LEFT FRONT DOOR SPEAKER J/C 31 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE ROOM J/B) J/C 54 (BEHIND CENTER OF DASH) LEFT REAR DOOR SPEAKER LEFT TWEETER LT GRN WIRE PNK 2 WIRE RAD 1 FUSE RADIO, PLAYER RED WIRE RIGHT FRONT DOOR SPEAKER RIGHT REAR DOOR SPEAKER RIGHT TWEETER RR- RL+ RR+ SUB J/B 4 (BEHIND CENTER OF DASH) VIO WIRE WHT WIRE WHT/GRN WIRE YEL WIRE

+BI SFRH 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 SRLR ABS 2 FUSE ABS MTR RELAY ABS SOL RELAY ABS, BA, TRAC, VSC ACTUATOR (AT LEFT REAR OF ENGINE COMPT) AST AST SRLH SFRR PL BLK WIRE BLK/ WHT WIRE BLK/ORG WIRE BLK/RED WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE COMPT) COMPT) J/C 35 DASH) DRIVER SIDE J/B (BEHIND LOWER LEFT SIDE OF DRIVER SIDE J/B (BEHIND LOWER LEFT SIDE OF DASH) ECU-B FUSE EM COMPT) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ENGINE ROOM R/B 2 (ON LEFT SIDE OF ENGINE FUSIBLE LINK BLOCK (ON LEFT SIDE OF ABS 1 FUSE ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES J/C 30 (ON RIGHT FRONT OF ENGINE J/C 34 (ON LEFT SIDE OF ENGINE COMPT, UNDER ENGINE LBL LT GRN WIRE M/T MT- SR MTT MTT MT+ NCA WIRE ORG/ WIRE PHG PLG PMC PNK 2 3 4 5 WIRE PNK FR- FR+ FL- FL+ WIRE PNK/BLU WIRE RED WIRE RED/BLU WIRE RED/WHT WIRE RED/YEL WIRE ROOM R/B) SFLH SFLH PMC MSS SFLR SFLR SRRH SRRR VCM PH SFRH SFRR SKID CONTROL ECU (BEHIND CENTER OF DASH) SRLH SRLR SRRH SRRR STR+ SUB J/B 3 (BEHIND CENTER OF DASH) SUB J/B 4 (BEHIND CENTER OF DASH) TRAC MTR RELAY TRIG +BO VCM VIO WIRE VIO/WHT WIRE VSC R/B (AT RIGHT SIDE OF ENGINE COMPT) WHT WIRE WHT/BLK WIRE WHT/BLU WIRE WHT/RED WIRE YEL WIRE YEL/BLK 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

1 2 3 8 9 22 28 26 23 29 27 +B 13 19 6 12 10 24 17 PI STP +BM 2 3 17 M- M+ ACTIVE CIRCUIT ANTI-LOCK BRAKES SYSTEM BATT MREL IGSW VPA EPA VCPA BLK WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE BRN WIRE CCS ON/OFF CCS SPD COMBINATION METER CONTROL CIRCUIT CRUISE CONTROL SWITCH (COMBINATION SWITCH) CRUISE IND D POSITION SWITCH (PARK/NEUTRAL POSITION SWITCH) (ON TRANSMISSION) DRIVER'S SIDE J/B (UNDER LEFT END OF DASH) DRIVER'S SIDE J/B GAUGE FUSE (UNDER LEFT END OF DASH) EB (ON RIGHT REAR OF ENGINE) EFI 1 FUSE EFI RELAY ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) ETCS FUSE GRN/BLK WIRE GRN/ORG WIRE GRN/RED WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN ON OR START IGN 1 FUSE IP (BEHIND CENTER IPO J/C 28, 29 (BEHIND CENTER OF DASH) J/C 34 (UNDER ENGINE ROOM R/B) J/C 35 (ON LEFT SIDE OF ENGINE COMPT) J/C 45 (BEHIND LEFT SIDE OF DASH) J/C 55 (BEHIND RIGHT SIDE OF DASH) J/C 55, 56 (BEHIND RIGHT SIDE OF DASH) LT GRN/RED WIRE OF DASH) PNK/BLU WIRE RED WIRE RED/BLU WIRE RED/YEL WIRE SHORT CONNECTOR (BEHIND LEFT SIDE OF DASH) SPEEDOMETER STOP FUSE SUB J/B 3 (BEHIND CENTER OF DASH) THROTTLE CONTROL MOTOR, POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED 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

BLK WIRE BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH) BLOWER SWITCH BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE DRIVER SIDE J/B HEATER FUSE (UNDER LEFT END OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HTR RELAY J/C 35 (ON LEFT SIDE OF ENGINE COMPT) J/C 58 (BEHIND RIGHT SIDE OF DASH) LO OFF LO OFF HI RED WIRE WHT WIRE WHT/BLK WIRE YEL WIRE

1 2 33 31 32 HP ACMG ACLD A/CS THE 14 13 17 10 18 IG DEF A/C GND 8 7 12 21 9 REC FRS A/CS ACLD -S A/C A/C DUAL PRESSURE SWITCH (IN RIGHT FRONT OF ENGINE COMPT, BEHIND HEADLIGHT) A/C FUSE A/C LOCK SENSOR A/C THERMISTOR (BEHIND RIGHT SIDE OF DASH, IN HVAC HOUSING) AIR INLET CONTROL SERVO MOTOR (UNDER RIGHT SIDE OF DASH, ON HVAC HOUSING) BLK WIRE BLK/WHT WIRE BLOWER MOTOR (UNDER RIGHT SIDE OF DASH, ON HVAC HOUSING) BLOWER RESISTOR (BEHIND RIGHT SIDE OF DASH) BLOWER SWITCH BLU WIRE BLU/RED WIRE BLU/WHT WIRE BLU/YEL WIRE DEFROSTER SWITCH DRIVER SIDE J/B (UNDER LEFT END OF DASH) GAUGE FUSE ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE ROOM J/B (ON LEFT SIDE OF ENGINE COMPT) FRS FUSIBLE LINK BLOCK (ON LEFT SIDE OF ENGINE COMPT) GRN WIRE GRN/BLK WIRE GRN/WHT WIRE GRY/BLU WIRE HEATER FUSE HOT AT ALL TIMES HOT IN ON OR START HTR RELAY INTEGRATION CONTROL, PANEL J/C 30 (ON RIGHT FRONT OF ENGINE COMPT) J/C 35 (ON LEFT SIDE OF ENGINE COMPT) J/C 52, 53 (BEHIND CENTER OF DASH) J/C 58 (BEHIND RIGHT SIDE OF DASH) LCKI LO OFF HI LT GRN/BLK WIRE MAGNETIC CLUTCH OFF REC RED WIRE RED/BLU WIRE RED/YEL WIRE 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

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

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