TRANSMISSION – Toyota Tacoma X-Runner 2012 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

2.7L

2.7L, 4WD Wiring Diagram (1 of 2) for Toyota Tacoma X-Runner 2012

List of elements for 2.7L, 4WD Wiring Diagram (1 of 2) for Toyota Tacoma X-Runner 2012:

• (2.7l)
• (4.0l)
• (a/t)
• (differential) differential lock shift actuator assembly
• (m/t)
• (rear of cylinder head) (2.7l) eh
• (right rear of engine compt) (4.0l) ee
• 2-4
• 2.7l
• 4.0l
• 4wd
• 4wd control ecu (right side of dash)
• 4wd control switch
• 4wd fuse 20a
• 4wd position transfer indicator switch (transmission assembly)
• A13
• A18
• A19
• A21
• A22
• Add
• Add actuator assembly (front of engine)
• B17
• Bd1
• C13
• C14
• C20
• Differential lock switch
• Dl1
• Dl2
• Dm1
• Dm2
• Driver side j/b (left side of dash)
• E13
• Ec1
• Engine control module (behind right side of dash)
• F12
• F13
• Gnd
• H17
• Hot in run or start
• Ic (center of dash)
• Id1
• Ig1 2 fuse 10a
• Ind1
• Ind3
• Instrument panel j/b 1 (left side of dash)
• Instrument panel j/b 2 (right side of dash)
• J/c 13 (behind right kick panel)
• J/c 14 (behind right kick panel)
• J/c 5 (behind right side of dash)
• L4 position transfer indicator switch (transmission assembly)
• Limit switch
• Mtn
• Pnk
• Red
• Rlp
• Rly1
• Rly2
• Spd
• Tl1
• Tl2
• Tl3
• Tm1
• Tm2
• Transfer shift actuator assembly (transmission assembly)

2.7L, 4WD Wiring Diagram (2 of 2) for Toyota Tacoma X-Runner 2012

List of elements for 2.7L, 4WD Wiring Diagram (2 of 2) for Toyota Tacoma X-Runner 2012:

• (left side of dash) instrument panel j/b 1
• 4lo ind lamp
• 4wd
• 4wd ind lamp
• B14
• Bd1
• C10
• Combination meter
• Cpu
• Diode (clutch start) (m/t) (left side of dash)
• Driver side j/b (left side of dash)
• Engine room j/b (left side of engine compt)
• Engine room r/b (left front of engine compt)
• Exi
• Exi4
• Gauge fuse 7.5a
• H13
• H18
• Hot in run or start
• Hot in start
• Hydraulic booster type
• Ia1
• Ib1
• Ig1 fuse 10a
• Ih1
• Ij1
• Instrument panel j/b 2 (right side of dash)
• J/c 1 (left kick panel)
• Park/ neutral position switch (a/t) (trans- mission)
• Pnk
• Rear differential lock ind
• Rear differential transfer indicator switch (rear differential)
• Skid control ecu w/ actuator (hydraulic booster: left rear of engine compartment) (vacuum booster: right rear of engine compartment)
• Sp1
• Sta fuse 7.5a
• Vacuum booster type

2.7L, A/T Wiring Diagram (1 of 2) for Toyota Tacoma X-Runner 2012

List of elements for 2.7L, A/T Wiring Diagram (1 of 2) for Toyota Tacoma X-Runner 2012:

• 4wd
• 4wd circuit
• A/t oil temp
• At3
• Atd
• C10
• C11
• C12
• C13
• C14
• C15
• C16
• C17
• Canh
• Canl
• Combination meter
• Computer data lines system
• Cpu
• Data link connector 3 (below left center of dash)
• Driver side j/b (left side of dash)
• E03
• E04
• E12
• E15
• Eg (rear of cylinder head)
• Electronically controlled transmission solenoid (transmission)
• Engine control module (behind right side of dash)
• H13
• Hot in run or start
• Ia1
• Ig1 fuse 10a
• Ih1
• Ij1
• Instrument panel j/b 1 (left side of dash)
• Instrument panel j/b 2 (right side of dash)
• J/c 1 (left kick panel)
• J/c 4 & 5 (behind right side of dash)
• Me01
• Nco+
• Nco-
• Nssd
• Ot2+
• Ot2-
• Park/ neutral position switch (transmission)
• Pnk
• Red
• Shift lock control ecu (under center console)
• Skid control ecu w/ actuator (right rear of engine compt)
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Spd
• Starting/ charging system
• Stp
• Tac
• Tach
• Tho1
• Transmission revolution sensor (turbine) (left side of transmission assembly)
• Vehicle speed sensor (electronically controlled transmission) (transmission)

2.7L, A/T Wiring Diagram (2 of 2) for Toyota Tacoma X-Runner 2012

List of elements for 2.7L, A/T Wiring Diagram (2 of 2) for Toyota Tacoma X-Runner 2012:

• +bm
• A/t fluid temperature sensor (automatic transmission)
• A11
• A30
• A33
• Acc
• Accelerator position sensor (behind left side of dash)
• Am2
• Batt
• Driver side j/b (left side of dash)
• E01
• E02
• Ea (right front fender)
• Eb (near battery)
• Efi fuse 20a
• Efi relay
• Eh (rear of cylinder head)
• Engine control module (behind right side of dash)
• Engine coolant temperature sensor (rear of engine)
• Engine room j/b (left side of engine compt)
• Engine room r/b (left front of engine compt)
• Epa
• Epa2
• Etcs fuse 10a
• Gauge fuse 7.5a
• Ge01
• Hot at all times
• I15
• Ia1
• If1
• Ig2
• Ign fuse 15a
• Ignition switch
• Igsw
• J/c 12 (behind right side of dash)
• J/c 13 (behind right kick panel)
• J/c 14 (behind right kick panel)
• Lock
• Mrel
• Nca
• Off
• Pnk
• Red
• Start
• Stop fuse 10a
• Stop lamp switch (bracket, above brake pedal)
• Thoc
• Throttle body assembly (left top of engine)
• Thw
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vta
• Vta1
• Vta2

2.7L, Rear Differential Lock Wiring Diagram for Toyota Tacoma X-Runner 2012

List of elements for 2.7L, Rear Differential Lock Wiring Diagram for Toyota Tacoma X-Runner 2012:

• (differential) differential lock shift actuator assembly
• 4wd control ecu (right side of dash)
• 4wd fuse 20a
• B14
• Bd1
• C10
• C13
• C14
• Combination meter
• Cpu
• Differential lock switch
• Driver side j/b (left side of dash)
• Gauge fuse 7.5a
• Gnd
• H17
• H18
• Hot in run or start
• Hydraulic booster type
• Ia1
• Ib1
• Id1
• Ig1 2 fuse 10a
• Instrument panel j/b 1 (left side of dash)
• Instrument panel j/b 2 (right side of dash)
• J/c 1 (left kick panel)
• J/c 13 (behind right kick panel)
• J/c 14 (behind right kick panel)
• Limit switch
• Pnk
• Rear differential lock ind
• Rear differential transfer indicator switch (rear differential)
• Rlp
• Rly1
• Rly2
• Skid control ecu w/ actuator (vacuum booster: right rear of engine compt) (hydraulic booster: left rear of engine compt)
• Sp1
• Spd
• Vacuum booster type

4.0L

4.0L, 4WD Wiring Diagram (1 of 2) for Toyota Tacoma X-Runner 2012

List of elements for 4.0L, 4WD Wiring Diagram (1 of 2) for Toyota Tacoma X-Runner 2012:

• (2.7l)
• (4.0l)
• (a/t)
• (differential) differential lock shift actuator assembly
• (m/t)
• (rear of cylinder head) (2.7l) eh
• (right rear of engine compt) (4.0l) ee
• 2-4
• 2.7l
• 4.0l
• 4wd
• 4wd control ecu (right side of dash)
• 4wd control switch
• 4wd fuse 20a
• 4wd position transfer indicator switch (transmission assembly)
• A13
• A18
• A19
• A21
• A22
• Add
• Add actuator assembly (front of engine)
• B17
• Bd1
• C13
• C14
• C20
• Differential lock switch
• Dl1
• Dl2
• Dm1
• Dm2
• Driver side j/b (left side of dash)
• E13
• Ec1
• Engine control module (behind right side of dash)
• F12
• F13
• Gnd
• H17
• Hot in run or start
• Ic (center of dash)
• Id1
• Ig1 2 fuse 10a
• Ind1
• Ind3
• Instrument panel j/b 1 (left side of dash)
• Instrument panel j/b 2 (right side of dash)
• J/c 13 (behind right kick panel)
• J/c 14 (behind right kick panel)
• J/c 5 (behind right side of dash)
• L4 position transfer indicator switch (transmission assembly)
• Limit switch
• Mtn
• Pnk
• Red
• Rlp
• Rly1
• Rly2
• Spd
• Tl1
• Tl2
• Tl3
• Tm1
• Tm2
• Transfer shift actuator assembly (transmission assembly)

4.0L, 4WD Wiring Diagram (2 of 2) for Toyota Tacoma X-Runner 2012

List of elements for 4.0L, 4WD Wiring Diagram (2 of 2) for Toyota Tacoma X-Runner 2012:

• (left side of dash) instrument panel j/b 1
• 4lo ind lamp
• 4wd
• 4wd ind lamp
• B14
• Bd1
• C10
• Combination meter
• Cpu
• Diode (clutch start) (m/t) (left side of dash)
• Driver side j/b (left side of dash)
• Engine room j/b (left side of engine compt)
• Engine room r/b (left front of engine compt)
• Exi
• Exi4
• Gauge fuse 7.5a
• H13
• H18
• Hot in run or start
• Hot in start
• Hydraulic booster type
• Ia1
• Ib1
• Ig1 fuse 10a
• Ih1
• Ij1
• Instrument panel j/b 2 (right side of dash)
• J/c 1 (left kick panel)
• Park/ neutral position switch (a/t) (trans- mission)
• Pnk
• Rear differential lock ind
• Rear differential transfer indicator switch (rear differential)
• Skid control ecu w/ actuator (hydraulic booster: left rear of engine compartment) (vacuum booster: right rear of engine compartment)
• Sp1
• Sta fuse 7.5a
• Vacuum booster type

4.0L, A/T Wiring Diagram (1 of 2) for Toyota Tacoma X-Runner 2012

List of elements for 4.0L, A/T Wiring Diagram (1 of 2) for Toyota Tacoma X-Runner 2012:

• (behind right side of dash) j/c 4 & 5
• (transmission)
• 4wd
• 4wd circuit
• A/t oil temp
• A10
• A20
• At2
• At4
• Atd
• Atl
• B11
• B12
• C10
• C11
• C12
• C14
• Canh
• Canl
• Combination meter
• Computer data lines system
• Cpu
• Driver side j/b (left side of dash)
• E03
• E04
• E05
• E10
• E11
• E12
• E13
• E14
• E15
• Ee (right rear of engine compt)
• Ef (left rear of engine compt)
• Electronically controlled transmission solenoid
• Engine control module (behind right side of dash)
• H13
• Hot in run or start
• Hydraulic booster type
• Ia1
• Ic (center of dash)
• Ig1 fuse 10a
• Ih1
• Ij1
• Instrument panel j/b 2 (right side of dash)
• J/c 1 (left kick panel)
• J/c 4 & 5 (behind right side of dash)
• J/c 5 (behind right side of dash)
• Me01
• Nssd
• Nssl
• Nt+
• Nt-
• Ot+
• Ot-
• Ot2+
• Ot2-
• Park/neutral position switch (transmission)
• Pnk
• Red
• Shift lock control ecu (under center console)
• Skid control ecu w/ actuator (hydraulic booster: left rear of engine compt) (vacuum booster: right rear of engine compt)
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• Spd
• Starting/ charging system
• Tach
• Tho1
• Tho2
• Transmission revolution sensor (electronically controlled transmission) (right rear of transmission assembly)
• Transmission revolution sensor (turbine) (left side of transmission assembly)
• Vacuum booster type

4.0L, A/T Wiring Diagram (2 of 2) for Toyota Tacoma X-Runner 2012

List of elements for 4.0L, A/T Wiring Diagram (2 of 2) for Toyota Tacoma X-Runner 2012:

• +b2
• +bm
• A11
• A30
• A33
• Acc
• Accelerator position sensor (behind left side of dash)
• Am2
• Batt
• Data link connector 3 (below left center of dash)
• Driver side j/b (left side of dash)
• E01
• E02
• E10
• E11
• E12
• E13
• E14
• Ea (right front fender)
• Ea1
• Eb (near battery)
• Ee (right rear of engine compt)
• Efi fuse 20a
• Efi relay
• Engine control module (behind right side of dash)
• Engine coolant temperature sensor (top center of engine)
• Engine room j/b (left side of engine compt)
• Engine room r/b (left front of engine compt)
• Epa
• Epa2
• Eta
• Etcs fuse 10a
• Ethw
• Gauge fuse 7.5a
• Ge01
• Hot at all times
• Hydraulic booster type
• I15
• Ia1
• If1
• Ig2
• Ign fuse 15a
• Ignition switch
• Igsw
• Instrument panel j/b 1 (left side of dash)
• Lock
• Mrel
• Nca
• Off
• Pnk
• Red
• Start
• Stop fuse 10a
• Stop lamp switch (bracket, above brake pedal)
• Stop lp ctrl relay
• Stp
• Tac
• Throttle body assembly (front top of engine)
• Thw
• Vacuum booster type
• Vcp2
• Vcpa
• Vcta
• Vpa
• Vpa2
• Vta1
• Vta2

4.0L, Rear Differential Lock Wiring Diagram for Toyota Tacoma X-Runner 2012

List of elements for 4.0L, Rear Differential Lock Wiring Diagram for Toyota Tacoma X-Runner 2012:

• (differential) differential lock shift actuator assembly
• 4wd control ecu (right side of dash)
• 4wd fuse 20a
• B14
• Bd1
• C10
• C13
• C14
• Combination meter
• Cpu
• Differential lock switch
• Driver side j/b (left side of dash)
• Gauge fuse 7.5a
• Gnd
• H17
• H18
• Hot in run or start
• Hydraulic booster type
• Ia1
• Ib1
• Id1
• Ig1 2 fuse 10a
• Instrument panel j/b 1 (left side of dash)
• Instrument panel j/b 2 (right side of dash)
• J/c 1 (left kick panel)
• J/c 13 (behind right kick panel)
• J/c 14 (behind right kick panel)
• Limit switch
• Pnk
• Rear differential lock ind
• Rear differential transfer indicator switch (rear differential)
• Rlp
• Rly1
• Rly2
• Skid control ecu w/ actuator (vacuum booster: right rear of engine compt) (hydraulic booster: left rear of engine compt)
• Sp1
• Spd
• Vacuum booster type