Toyota·Tacoma·2012 Toyota Tacoma·Wiring
Wiring diagram

2012 Toyota Tacoma — power distribution

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Power distribution

10A 30A 50A C 30A 15A 50A 50A 30A 10A 7.5A 15A 120A 140A 100A B A 30A 30A 50A 10A 7.5A 10A 30A 10A 7.5A 7.5A 15A 20A 30A 50A D ENGINE ROOM J/B ENGINE ROOM R/B ENGINE ROOM J/B BATTERY ENGINE ROOM J/B HEAD RELAY F2 F1 1C 1D 1E 5 2 BLK RED/ BLK BLK/RED BLU BLU WHT/ BLK BLK YEL BLK/ BLU RED BLU GRN/ WHT YEL GRN BLK BLK/BLU (OR WHT) BLU WHT/ GRY BLK RED WHT GRN WHT/ BLK LT GRN WHT RED BLK/ RED RED WHT/ WHT BLK/ YEL LT BLU (W/O TRAILER TOWING) (W/ TRAILER TOWING) (4.0L) W/ HYDRAULIC BOOSTER TYPE (W/ DRL & TRAILER TOWING) (W/ SEPARATE TYPE AMPLIFIER) (W/ DRL) (W/O DRL & TRAILER TOWING) (W/ BUILT-IN TYPE AMPLIFIER & ACCESS CAB) (IF EQUIPPED) (W/ BUILT-IN TYPE AMPLIFIER) (IF EQUIPPED) (W/ SEPARATE TYPE AMPLIFIER) (LEFT SIDE OF ENGINE COMPT) (LEFT FRONT OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) ALT FUSE AM1 FUSE HEATER FUSE AC SKT FUSE FR FOG FUSE BATT CHG FUSE TOWING BRK FUSE OBD FUSE STOP FUSE TOWING TAIL FUSE J/B FUSE ETCS FUSE TOWING FUSE HORN FUSE ABS 1 FUSE TRN-HAZ FUSE RADIO 2 FUSE AI VALVE FUSE ALT-S FUSE ABS 2 FUSE AM2 FUSE EFI FUSE A/F HEATER FUSE A/PUMP FUSE SHORT PIN DOME FUSE ECU-B FUSE RADIO 1 FUSE TOWING TAIL RELAY HEATER RELAY TOWING BRAKE CONTROLLER STOP LAMP SWITCH & STOP LAMP CONTROL RELAY FR FOG RELAY BATT CHG RELAY DATA LINK CONNECTOR 3 TO IGNITION SWITCH (DIAGRAM 2 OF 3) TO DRIVER SIDE J/B (DIAGRAM 3 OF 3) TO AC SKT RELAY (DIAGRAM 3 OF 3) STARTER GENERATOR TURN SIGNAL FLASHER AI VALVE RELAY STEREO COMPONENT AMPLIFIER TURN SIGNAL FLASHER ENGINE CONTROL MODULE HORN RELAY GENERATOR FLASH RELAY SPEAKER (WOOFER) SKID CONTROL ECU W/ ACTUATOR EFI RELAY & ENGINE CONTROL MODULE LEFT VANITY LIGHT (LEFT VISOR ASSEMBLY) A/F HEATER RELAY A/C AMPLIFIER, COMBINATION METER, TRANSPONDER KEY ECU, STEERING SENSOR OCCUPANT CLASSIFICATION ECU (W/ SEPARATE SEAT), DOOR CONTROL RECEIVER, BODY ECU & INNER REAR VIEW MIRROR RADIO RECEIVER ASSEMBLY & AIR INJECTION CONTROL DRIVER TO IGNITION SWITCH (DIAGRAM 2 OF 3) RIGHT VANITY LIGHT (RIGHT VISOR ASSEMBLY) RADIO & DISPLAY RECEIVER ASSEMBLY CENTER ROOM LAMP, MAP LAMP & HAZARD WARNING SIGNAL SWITCH ASSEMBLY
1 2 1 2 IG IG 10A ON START ST1 ACC LOCK OFF C AM1 ON OFF ACC LOCK ON ACC LOCK OFF IG1 START START ACC 7.5A E G 30A 10A 7.5A START ST2 D AM2 ON OFF LOCK ACC ON OFF ACC LOCK IG2 START 15A 7.5A 20A 10A 10A F ENGINE ROOM R/B ENGINE ROOM J/B DRIVER SIDE J/B INSTRUMENT PANEL J/B 2 DRIVER SIDE J/B BODY ECU FLASH RELAY O8 1 H11 3 4 2 1 A6 B3 A5 B18 F9 D3 B9 A11 J10 J16 J20 A5 A4 J6 H15 B8 5 7 6 B9 I15 C8 I2 C17 H20 C13 J3 B11 B10 H17 H13 J9 L1 E8 5 C14 D9 I13 B3 GRN GRN WHT/ YEL BLU/ BLU WHT/ BLK/ WHT VIO GRN WHT/ BLU/ YEL VIO VIO VIO VIO VIO VIO VIO VIO VIO GRY GRY GRY GRY BLU BLU RED WHT/ BLK GRN/ BLK/ RED ORG ORG ORG ORG BLK ORG VIO RED BLK/ RED BLK/ LT GRN LT GRN PNK PNK VIO LT GRN PNK ORG PNK 4WD M/T (M/T) (W/ HYDRAULIC BOOSTER TYPE) A/T M/T 4.0L A/T 2.7L A/T EXCEPT TMMTX MADE TMMTX MADE (A/T) (4WD) (W/O DRL & TRAILER TOWING) (W/ DRL & TRAILER TOWING) (W/ SEPARATE TYPE AMPLIFIER), (W/O REAR DIFFERENTIAL LOCK) (W/ BUILT-IN TYPE AMPLIFIER) (W/ BUILT-IN TYPE AMPLIFIER ACCESS CAB) (W/ HYDRAULIC BOOSTER, VACUUM BOOSTER TYPE & TRAILER TOWING) (W/ SEPARATE AMPLIFIER) (W/ SEPARATE AMPLIFIER) (LEFT FRONT OF ENGINE COMPT) (LEFT SIDE OF ENGINE COMPT) (LEFT SIDE OF DASH) (RIGHT SIDE OF DASH) (LEFT SIDE OF DASH) IGNITION SWITCH STA FUSE IGN FUSE GAUGE FUSE ACC FUSE WIP FUSE IG1 2 FUSE IG1 FUSE BKUP LP FUSE 4WD FUSE WSH FUSE FROM AM1 FUSE (DIAGRAM 1 OF 3) FROM AM2 FUSE (DIAGRAM 1 OF 3) STA RELAY CLUTCH START DIODE C/OPN RELAY FUEL INJECTORS OCCUPANT CLASSIFICATION ECU SKID CONTROL ECU W/ ACTUATOR ENGINE CONTROL MODULE IGNITION COILS & NOISE FILTER (IGNITION) COMBINATION METER STOP LAMP SWITCH TRANSPONDER KEY ECU CENTER AIR BAG SENSOR ASSEMBLY TO VOLTAGE INVERTER (DIAGRAM 3 OF 3) PARK/ NEUTRAL POSITION SWITCH CLUTCH START CANCEL SWITCH ENGINE CONTROL MODULE TO ACC SKT RELAY (DIAGRAM 3 OF 3) TURN SIGNAL FLASHER BACKUP LAMP SWITCH (M/T) & PARK/NEUTRAL POSITION SWITCH (A/T) TO INSTRUMENT PANEL J/B 1 (DIAGRAM 3 OF 3) HAZARD WARNING SIGNAL SWITCH ASSEMBLY COMBINATION SWITCH WINDSHIELD WASHER MOTOR SHIFT LOCK CONTROL ECU STEREO COMPONENT AMPLIFIER INNER REAR VIEW MIRROR SHIFT LOCK CONTROL ECU, HAZARD WARNING SIGNAL SWITCH ASSEMBLY, GENERATOR (2.7L), AIR MIX DAMPER SERVO MOTOR, A/C CONTROL ASSEMBLY, AIR VENT DAMPER SERVO MOTOR, A/C AMPLIFIER, STOP LP CTRL RELAY & RADIO TYPE RECEIVER ASSEMBLY WINDSHIELD WIPER MOTOR OUTER MIRROR SWITCH SKID CONTROL ECU W/ ACTUATOR 4WD CONTROL ECU BACKUP LAMP RELAY SPEAKER (WOOFER) & RADIO & DISPLAY RECEIVER ASSEMBLY RADIO & DISPLAY RECEIVER ASSEMBLY
1 2 1 2 E B ELS2 ALTB E B TRLY 10A A IND IND+ IND- F B G 15A 20A E P/T 400W SPD AC1 NSW CCCL OUT AC2 B+ PGND REDR GND ACC1 ACC2 INSTRUMENT PANEL J/B 1 DRIVER SIDE J/B BODY ECU ENGINE ROOM R/B 2 P/W RELAY BODY ECU JUNCTION CONNECTOR J1 ENGINE CONTROL MODULE BC2 3 ED2 IM1 5 BC2 2 1 BC1 1 IA4 2 ED1 1 IM1 IM1 10 2 9 6 IM1 7 3 C7 D10 C2 C11 19 2 J19 J7 3 1 5 A4 D10 B5 A11 C14 D2 C11 C5 A6 1 2 5 3 1 4 2 3 6 A5 A13 A12 C13 C4 B15 1 2 3 5 A6 4 3 C3 1 2 3 5 7 6 4 1 3 9 8 10 12 V8 11 1 2 V9 5 E13 E7 20 10 H18 K4 2 1 K11 2 1 4 1 BLK WHT/ RED/ WHT BLU BLU BLU BLU/BLK VIO BLU BLU VIO/WHT VIO GRN GRN GRN GRN GRN BLK LT GRN LT GRN LT GRN LT GRN LT GRN/ LT GRN LT GRN LT GRN LT GRN LT GRN BLK BLK LT GRN/ LT GRN BLU GRN/ RED LT GRN BLK LT GRN LT GRN LT GRN LT GRN LT GRN/ BLU LT GRN BLU BLU VIO GRN/BLK RED VIO/WHT RED/WHT BLU VIO RED/ WHT LT GRN BLU/BLK BLK/WHT LT GRN BLK/ BLU WHT/BLK BLK WHT/ BLK WHT/ WHT BLK WHT/ LT GRN BLK WHT/ LT GRN BLK WHT/ WHT/ BLK BLK WHT/ BLK (4WD M/T) (M/T) (4.0L) (W/ TRAILER TOWING) (115V) (12V) (12V) (A/T) (M/T) (2.7L) (W/ BUILT-IN TYPE AMPLIFIER) (W/ SEPARATE TYPE AMPLIFIER) (4.0L) (2.7L) (4.0L) (120V) W/O TRAILER TOWING W/ TRAILER TOWING (IF EQUIPPED) (4WD) (LEFT SIDE OF DASH) (LEFT SIDE OF DASH) (LEFT FRONT OF ENGINE COMPT) (LEFT KICK PANEL) (LEFT REAR OF VEHICLE COMPT) (UNDER FRONT PASSENGER'S SEAT) DR LCK FUSE PWR OUTLET FUSE TAIL RELAY POWER OUTLET MAIN SWITCH ACC SKT RELAY AC SKT RELAY TAIL FUSE FRONT POWER OUT LET SOCKET 2 POWER POINT SOCKET ASSEMBLY FRONT POWER POINT SOCKET 1 POWER POINT SOCKET ASSEMBLY VOLTAGE INVERTER REAR POWER POINT SOCKET ASSEMBLY IA BC FROM IG1 2 FUSE (DIAGRAM 2 OF 3) TIRE PRESSURE WARNING ECU CRUISE CONTROL CLUTCH SWITCH MG CLT RELAY RHEOSTAT CLUTCH START CANCEL SWITCH DIFFERENTIAL LOCK SWITCH BATT CHG RELAY HEATER RELAY STEERING SENSOR GENERATOR SKID CONTROL ECU W/ ACTUATOR YAW RATE SENSOR FROM J/B FUSE (DIAGRAM 1 OF 3) FROM AC SKT FUSE (DIAGRAM 1 OF 3) FROM ACC FUSE (DIAGRAM 2 OF 3) FROM INSTRUMENT PANEL J/B (DIAGRAM 2 OF 3) RIGHT HEADLIGHT ASSEMBLY TOWING TAIL RELAY INSTRUMENT CLUSTER SYSTEM LEFT HEADLIGHT ASSEMBLY LEFT REAR COMBINATION LAMP, RIGHT REAR COMBINATION LAMP, LEFT LICENSE PLATE LAMP & RIGHT LICENSE PLATE LAMP COMBINATION METER ENGINE CONTROL MODULE, CRUISE CONTROL SYSTEM HAZARD WARNING SIGNAL SWITCH ASSEMBLY, RADIO RECEIVER ASSEMBLY, RADIO & DISPLAY RECEIVER ASSEMBLY A/T SHIFT LEVER ILLUMINATION, A/C CONTROL ASSEMBLY & TAIL DIODE SPIRAL CABLE, RHEOSTAT, FOG LAMP SWITCH, TRACTION CONTROL SWITCH, DOWNHILL ASSIST CONTROL SWITCH, DIFFERENTIAL LOCK SWITCH, TOWING BRAKE CONNECTOR & CURTAIN AIR BAG CUTOFF SWITCH