Toyota Tundra I facelift (2002-2006) engine controls system Wiring diagrams

+BM ODLP A/T INDICATOR LIGHT SWITCH (INTEGRAL TO PARK/NEUTRAL POSITION SWITCH) (ON TRANS) A/T OIL TEMP A/T OIL TEMPERATURE SENSOR (ON TRANSMISSION) BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CIRCUIT COMBINATION METER CONTROL UNIT) DIODE (A/T) (UPPER LEFT SIDE OF DASH) DRIVER SIDE J/B (BEHIND LEFT SIDE OF DASH) DRIVER SIDE J/B (BEHIND LOWER LEFT SIDE OF DASH) EC (LEFT SIDE OF FIREWALL) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE) GAUGE FUSE GAUGE FUSE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN HOT IN RUN OR ACC HOT IN RUN OR START HOT IN RUN OR START IE (BEHIND LEFT KICK PANEL) J/C 10 (UPPER LEFT SIDE OF DASH) J/C 28, J/C 29 (BEHIND CENTER OF DASH) J/C 9 (BEHIND UPPER LEFT SIDE OF DASH) LT GRN WIRE LT GRN/BLK WIRE M- M+ NSW STA VC THW O/D OFF IND PNK WIRE PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE SPD STP OILW STA FUSE STARTING/CHARGING SYSTEM STOP FUSE STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) STSW THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL/RED WIRE

+BM ODLP A/T INDICATOR LIGHT SWITCH (INTEGRAL TO PARK/NEUTRAL POSITION SWITCH) (ON TRANS) A/T OIL TEMP BLK WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/RED WIRE BLU/YEL WIRE BRN WIRE CIRCUIT COMBINATION METER CONTROL UNIT) DRIVER SIDE J/B (LEFT SIDE OF DASH) EB (RIGHT REAR OF ENGINE) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE CONTROLS SYSTEM ENGINE COOLANT TEMPERATURE SENSOR (RIGHT FRONT OF ENGINE) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE HOT AT ALL TIMES HOT IN RUN OR START IPO J/C 28, J/C 29 (BEHIND CENTER OF DASH) J/C 45 (BEHIND RIGHT SIDE OF DASH) J/C 48 (BEHIND LEFT SIDE OF DASH) J/C 55 (BEHIND RIGHT SIDE OF DASH) LT GRN WIRE LT GRN/BLK WIRE M- M+ NSW STA VC THW PNK WIRE O/D OFF IND PNK/BLU WIRE RED WIRE RED/BLK WIRE RED/BLU WIRE SPD STP OILW STARTING/CHARGING SYSTEM STOP FUSE STOPLIGHT SWITCH (ON BRACKET, ABOVE BRAKE PEDAL) STSW THROTTLE POSITION SENSOR (ON THROTTLE BODY ASSEMBLY) WHT WIRE WHT/BLK WIRE WHT/GRN WIRE WHT/RED WIRE YEL/RED WIRE

A/T OIL TEMP IND ABS IND. ACTIVE CIRCUIT ANTI-LOCK BRAKES SYSTEM ANTI-LOCK BRAKES SYSTEM (W/ VSC) (W/O VSC) AUTO LSD IND BLK WIRE BLK/ORG WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/ORG WIRE BLU/WHT WIRE BLU/YEL WIRE BRAKE FLUID LEVEL WARNING SWITCH (ON BRAKE FLUID RESERVOIR) BRAKE IND BRN WIRE CHARGE IND COMBINATION METER CONTROL SPEEDOMETER CIRCUIT CRUISE IND DIODE (PARKING BRAKE SWITCH) DOOR IND DRIVER SIDE J/B ECU (BEHIND RIGHT HICK PANEL) ENGINE CONTROL MODULE (BEHIND RIGHT SIDE OF DASH) ENGINE CONTROLS SYSTEM ENGINE DOME FUSE ROOM J/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FUEL FUEL IND FUEL SENDER (IN FUEL TANK) GAUGE FUSE GRN WIRE GRN/BLK WIRE GRN/ORG WIRE GRN/WHT WIRE GRN/YEL WIRE GRY/RED WIRE HEADLIGHTS SYSTEM HIGH BEAM IND HOT AT ALL TIMES HOT IN ON OR START HOT ON TAILLIGHT RELAY ENERGIZED IGN 1 FUSE ILLUM J/C 42, 43 (BEHIND LEFT KICK PANEL) J/C 54 (BEHIND CENTER OF DASH) J/C 55, 56 (BEHIND RIGHT SIDE OF DASH) J/C 59 (BEHIND RIGHT SIDE OF DASH) LEFT TURN IND LT GRN WIRE LT GRN/BLK WIRE LT GRN/RED WIRE MALFUNCTION INDICATOR LAMP NEAR KICK PANEL) (W/O VSC) PARKING BRAKE SWITCH O/D OFF IND OIL OIL PRESSURE SENDER (ON LOWER LEFT FRONT OF ENGINE) OVERHEAD MODULE (AT CENTER FRONT OF ROOF) PANEL FUSE PNK WIRE PNK/BLK WIRE RED WIRE RED/BLU WIRE RED/GRN WIRE RED/WHT WIRE RIGHT TURN IND SEAT BELT IND SHORT CONNECTOR (BEHIND LEFT SIDE OF DASH) SLIP IND SRS IND STARTING/CHARGING SYSTEM SUB J/B 4 (BEHIND CENTER OF DASH) SUPPLEMENTAL RESTRAINTS SYSTEM ANTI-LOCK BRAKES SYSTEM EXTERIOR LIGHTS SYSTEM TACH TACHOMETER TRANSMISSIONS SYSTEM VIO WIRE VIO/WHT WIRE VOLTMETER VSC OFF IND VSC TRAC IND W/O VSC, W/O DAYTIME RUNNING LIGHT WARNING SYSTEM WARNING SYSTEM ANTI-LOCK BRAKES SYSTEM WASHER IND WATER TEMPERATURE WATER TEMPERATURE SENDER (ON RIGHT FRONT OF ENGINE) WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE WIPER/WASHER SYSTEM YEL WIRE YEL/BLK WIRE YEL/GRN WIRE YEL/RED WIRE

1 2 3 4 5 6 7 8 9 10 11 12 13 14 GND 1 2 3 4 5 6 7 CSW- 4.7L 3.4L 8 9 10 11 12 13 14 15 16 17 MGC CAR+ A/C FUSE AC+2 A/C ACLD ACT ACMG 19 20 21 AIR CONDITIONING SYSTEM AIR CONDITIONING SYSTEM ANTI-LOCK BRAKES SYSTEM AIR CONDITIONING SYSTEM ENGINE CONTROLS SYSTEM AIR CONDITIONING SYSTEM INTERIOR LIGHTS SYSTEM BLK WIRE BLK/BLU WIRE BLK/ORG WIRE BLK/RED WIRE BLK/WHT WIRE BLK/YEL WIRE BLU WIRE BLU/BLK WIRE BLU/WHT WIRE BLU/YEL WIRE BRN/YEL WIRE CPU CARS REC DOME FUSE DRIVER SIDE J/B (BEHIND LOWER LEFT SIDE DRIVER SIDE J/B (BEHIND LOWER LEFT SIDE OF DASH) ENGINE CONTROLS SYSTEM ENGINE ROOM R/B (ON LEFT SIDE OF ENGINE COMPARTMENT) FRS BKLD FUSE GRN WIRE GRN/RED WIRE GRN/WHT WIRE GRN/YEL WIRE GRY WIRE HOT AT ALL TIMES HOT IN ACC OR ON IG B+ IL- ILL- IN ACS INTEGRATION CONTROL, PANEL INTEGRATION RELAY J/C 13 (BEHIND RIGHT KICK PANEL) J/C 23, 24 (BEHIND LEFT END OF DASH) J/C 26, 27 (BEHIND LEFT KICK PANEL) OF DASH) OFF H-L 2-4 IG+ ILL+ 1 1 PNK WIRE ORG/ WIRE RED WIRE RED/BLK WIRE SOUND SYSTEMS SUPPLEMENTAL RESTRAINTS SYSTEM SUPPLEMENTAL RESTRAINTS SYSTEM EXTERIOR LIGHTS SYSTEM TRANSMISSIONS SYSTEM W/ DRL W/O DRL WHT/BLK WIRE WHT/BLU WIRE WHT/GRN WIRE WHT/RED WIRE YEL/BLK 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

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