TRANSMISSION — Toyota Tacoma 1999 — SYSTEM WIRING DIAGRAMS

TRANSMISSION

2.4L

2.4L, Overdrive Wiring Diagram for Toyota Tacoma 1999

List of elements for 2.4L, Overdrive Wiring Diagram for Toyota Tacoma 1999:

• (w/ tach)
• (w/o tach)
• A5 d1
• Canada
• Cig fuse 15a
• Combination meter
• Cruise control ecu (on right kick panel)
• D13
• D14
• D15
• D16
• D19
• D20
• Diode (behind top center of dash)
• Diode (behind top right side of dash)
• F16
• F20
• G10
• G14
• G17
• G201 (right side of dash)
• G22
• Guage fuse 10a
• H11
• H12
• H13
• H20
• H22
• Hot in accy or on
• Hot in on or start
• J/b 1 (behind dash, left side of steering column)
• J/b 3 (behind dash, above steering column)
• J/b 3 (behind dash, above steering column) (w/ cruise control only)
• Junction connector 3 (above glove box)
• O/d cut relay (on right side of engine compt) (w/ cruise control)
• O/d main switch
• O/d off
• O/d solenoid (on transmission)
• Park/ neutral position switch (on transmission)
• Pnk
• Pnk pnk
• Red
• Usa
• W/ cruise
• W/o cruise

4WD Wiring Diagram, with 2-4 Select Switch for Toyota Tacoma 1999

List of elements for 4WD Wiring Diagram, with 2-4 Select Switch for Toyota Tacoma 1999:

• (left front fender) g104
• (left front shock tower) j/c 9, j/c 10
• 2-4
• 2-4 select motor (on transmission)
• 2-4 select switch
• 4wd
• 4wd control ecu (w/ rear diff lock) (upper left kick panel)
• 4wd ecu (below center of dash)
• 4wd fuse 15a
• 4wd ind
• A/t ind switch
• A/t parking ind
• A22
• Abs actuator w/ ecu (below center of dash)
• Add indicator switch (left side of engine)
• B12
• C10
• C13
• Combination meter
• D16
• D18
• D19
• Detection switch (transfer 4wd position) (on trans- mission)
• Detection switch (transfer l4 position) (on trans- mission)
• Detection switch (transfer neutral position) (on trans- mission)
• Engine control module (behind right side of dash)
• Exi3
• F12
• F16
• Floor a/t only
• G17
• G19
• G20
• G201 (right end of dash)
• G202 (left end of dash)
• Gauge fuse 10a
• Gnd
• H20
• H21
• H22
• Hot in run or start
• I9 (dash harn, upper right side of dash)
• Ind
• J/b 1 (behind left side of dash)
• J/b 3 (center) (center of dash)
• J/b 3 (center) (w/rear diff. lock) (center of dash)
• J/b 3 (left) (above steering column)
• J/c 2 (above glove box)
• Park/ neutral position switch
• Red
• Rl1
• Rl2
• Spd
• Speed
• Tfn
• Vsv 2 (add) (left front of engine compt)
• Vsv 4 (add) (left front of engine compt)

4WD Wiring Diagram, without 2-4 Select Switch for Toyota Tacoma 1999

List of elements for 4WD Wiring Diagram, without 2-4 Select Switch for Toyota Tacoma 1999:

• (on trans- mission)
• 2.7l
• 3.4l
• 4wd
• 4wd control ecu (w/ rear diff lock) (upper left kick panel)
• 4wd fuse 15a
• 4wd ind
• A/t parking ind
• Abs actuator w/ ecu (right rear of engine compt)
• Add control relay (upper right kick panel)
• Add indicator switch (left side of engine)
• B12
• C10
• C13
• D16
• D18
• D19
• Detection switch (transfer 4wd position) (on trans- mission)
• Detection switch (transfer l4 position) (on trans- mission)
• Detection switch (transfer neutral position)
• Engine control module (behind right side of dash)
• Exi3
• Floor a/t only
• G104 (left front fender)
• G202 (left end of dash)
• Gauge fuse 10a
• Hot in on or start
• I9 (dash harn, upper right side of dash)
• Instrument cluster
• J/b 1 (behind left side of dash)
• J/b 3 (center) (behind center of dash)
• J/b 3 (left) (above steering column)
• J/c 2 (behind top right side of dash)
• J/c 9, j/c 10 (left front shock tower)
• Park/neutral position switch (a/t indicator switch) (transmission)
• Tfn
• Vsv 2 (add) (left front of engine compt)
• Vsv 4 (add) (left front of engine compt)
• W/ abs
• W/ rear diff lock
• W/o abs
• W/o rear diff lock

Rear Differential Lock Wiring Diagram for Toyota Tacoma 1999

List of elements for Rear Differential Lock Wiring Diagram for Toyota Tacoma 1999:

• 3.4l w/ a/t
• 4wd
• 4wd control ecu (upper left kick panel)
• 4wd ecu (w/ 2-4 select switch) (below center of dash)
• 4wd fuse 20a
• A22
• Abs actuator with ecu (w/ abs) (right rear of engine compt)
• B12
• C10
• C13
• Combination meter
• D11
• D16
• D19
• Detection switch (transfer l4 position) (on transmission)
• Except 3.4l w/ a/t
• Exi2
• Exi3
• F12
• F16
• Free
• G17
• G18
• G201 (right end of dash)
• G202 (left end of dash)
• Gauge fuse 10a
• Gnd
• Hot in on or start
• J/b 1 (behind left side of dash)
• J/b 3 (center) (behind center dash)
• J/b 3 (center) (behind center of dash)
• J/b 3 (left) (above steering column)
• J/b 3 (left) (behind dash, above steering column)
• J/c 2 (top right side of dash)
• Limit switch
• Lock
• Rear differential lock switch
• Rear differential lock detection switch
• Rear differential lock indicator
• Rear differential lock motor
• Rel1
• Rel2
• Rlp
• Spd
• Speed
• W/ abs or w/ 2-4 select switch
• W/o abs and w/o 2-4 select switch

2.7L

2.7L, A/T Wiring Diagram for Toyota Tacoma 1999

List of elements for 2.7L, A/T Wiring Diagram for Toyota Tacoma 1999:

• (left kick panel) g200
• (r/b 2)
• A/t oil temp sensor (on transmission)
• Batt
• Cruise control system
• D13
• D18
• D19
• Data link connector 1 (left side of engine compt)
• Ect pwr
• Efi fuse 15a
• Efi relay
• Electronic controlled transmission solenoids
• Electronically controlled transmission select switch
• Engine control module (behind right side of dash)
• Engine controls
• Engine coolant temperature sensor (on engine)
• F15
• G102 (left front fender)
• G113 (near throttle body)
• G17
• G22
• Gauge fuse 10a
• Hot at all times
• Hot in on or start
• I9 (dash harness, behind right side of dash)
• Idl0
• Ign fuse 7.5a
• J/b 1 (behind dash, left of steering column)
• J/b 3 (behind dash) above steering column)
• J/b 3 (behind dash, above steering column)
• J/c 11 (above glove box)
• J/c 2 (above glove box)
• J/c 9, 10 (left side of engine compt)
• No. 1
• No. 2
• No. 3
• O/d main switch
• Od off
• Od1
• Od2
• Oil
• Oil temp
• Oil-w
• P ind
• Park/neutral position switch (on transmission)
• Pnk
• Pwr
• R/b 2 (left side of engine compt)
• Red
• Sp1
• Sp2+
• Sp2-
• Speedo
• Stop fuse 15a
• Stoplamp switch (brake pedal bracket)
• Te1
• Throttle position sensor (on throttle body)
• Thw
• Vcc
• Vehicle speed sensor (for ect) (on transmission)
• Vta

4WD Wiring Diagram, with 2-4 Select Switch for Toyota Tacoma 1999

List of elements for 4WD Wiring Diagram, with 2-4 Select Switch for Toyota Tacoma 1999:

• (left front fender) g104
• (left front shock tower) j/c 9, j/c 10
• 2-4
• 2-4 select motor (on transmission)
• 2-4 select switch
• 4wd
• 4wd control ecu (w/ rear diff lock) (upper left kick panel)
• 4wd ecu (below center of dash)
• 4wd fuse 15a
• 4wd ind
• A/t ind switch
• A/t parking ind
• A22
• Abs actuator w/ ecu (below center of dash)
• Add indicator switch (left side of engine)
• B12
• C10
• C13
• Combination meter
• D16
• D18
• D19
• Detection switch (transfer 4wd position) (on trans- mission)
• Detection switch (transfer l4 position) (on trans- mission)
• Detection switch (transfer neutral position) (on trans- mission)
• Engine control module (behind right side of dash)
• Exi3
• F12
• F16
• Floor a/t only
• G17
• G19
• G20
• G201 (right end of dash)
• G202 (left end of dash)
• Gauge fuse 10a
• Gnd
• H20
• H21
• H22
• Hot in run or start
• I9 (dash harn, upper right side of dash)
• Ind
• J/b 1 (behind left side of dash)
• J/b 3 (center) (center of dash)
• J/b 3 (center) (w/rear diff. lock) (center of dash)
• J/b 3 (left) (above steering column)
• J/c 2 (above glove box)
• Park/ neutral position switch
• Red
• Rl1
• Rl2
• Spd
• Speed
• Tfn
• Vsv 2 (add) (left front of engine compt)
• Vsv 4 (add) (left front of engine compt)

4WD Wiring Diagram, without 2-4 Select Switch for Toyota Tacoma 1999

List of elements for 4WD Wiring Diagram, without 2-4 Select Switch for Toyota Tacoma 1999:

• (on trans- mission)
• 2.7l
• 3.4l
• 4wd
• 4wd control ecu (w/ rear diff lock) (upper left kick panel)
• 4wd fuse 15a
• 4wd ind
• A/t parking ind
• Abs actuator w/ ecu (right rear of engine compt)
• Add control relay (upper right kick panel)
• Add indicator switch (left side of engine)
• B12
• C10
• C13
• D16
• D18
• D19
• Detection switch (transfer 4wd position) (on trans- mission)
• Detection switch (transfer l4 position) (on trans- mission)
• Detection switch (transfer neutral position)
• Engine control module (behind right side of dash)
• Exi3
• Floor a/t only
• G104 (left front fender)
• G202 (left end of dash)
• Gauge fuse 10a
• Hot in on or start
• I9 (dash harn, upper right side of dash)
• Instrument cluster
• J/b 1 (behind left side of dash)
• J/b 3 (center) (behind center of dash)
• J/b 3 (left) (above steering column)
• J/c 2 (behind top right side of dash)
• J/c 9, j/c 10 (left front shock tower)
• Park/neutral position switch (a/t indicator switch) (transmission)
• Tfn
• Vsv 2 (add) (left front of engine compt)
• Vsv 4 (add) (left front of engine compt)
• W/ abs
• W/ rear diff lock
• W/o abs
• W/o rear diff lock

Rear Differential Lock Wiring Diagram for Toyota Tacoma 1999

List of elements for Rear Differential Lock Wiring Diagram for Toyota Tacoma 1999:

• 3.4l w/ a/t
• 4wd
• 4wd control ecu (upper left kick panel)
• 4wd ecu (w/ 2-4 select switch) (below center of dash)
• 4wd fuse 20a
• A22
• Abs actuator with ecu (w/ abs) (right rear of engine compt)
• B12
• C10
• C13
• Combination meter
• D11
• D16
• D19
• Detection switch (transfer l4 position) (on transmission)
• Except 3.4l w/ a/t
• Exi2
• Exi3
• F12
• F16
• Free
• G17
• G18
• G201 (right end of dash)
• G202 (left end of dash)
• Gauge fuse 10a
• Gnd
• Hot in on or start
• J/b 1 (behind left side of dash)
• J/b 3 (center) (behind center dash)
• J/b 3 (center) (behind center of dash)
• J/b 3 (left) (above steering column)
• J/b 3 (left) (behind dash, above steering column)
• J/c 2 (top right side of dash)
• Limit switch
• Lock
• Rear differential lock switch
• Rear differential lock detection switch
• Rear differential lock indicator
• Rear differential lock motor
• Rel1
• Rel2
• Rlp
• Spd
• Speed
• W/ abs or w/ 2-4 select switch
• W/o abs and w/o 2-4 select switch

3.4L

3.4L, A/T Wiring Diagram, with Column Shift for Toyota Tacoma 1999

List of elements for 3.4L, A/T Wiring Diagram, with Column Shift for Toyota Tacoma 1999:

• 2 ind
• A/t oil temperature sensor (on transmission)
• Batt (b+)
• Cig fuse 15a
• Cruise control system
• D ind
• D13
• D19
• Data link connector 1 (left side of engine compt)
• E1 (grd)
• Ect pwr
• Efi fuse 15a
• Efi relay (on r/b 2)
• Electronic controlled transmission solenoids
• Electronically controlled transmission pattern select switch
• Engine control module (behind right side of dash)
• Engine controls
• Engine coolant temperature sensor (on engine)
• F15
• G10
• G100 (left front fender)
• G102 (left shock tower)
• G17
• G200 (left kick panel)
• G22
• Gauge fuse 10a
• H11
• H12
• H13
• Hot at all times
• Hot in run or accy
• Hot in run or start
• I9 (dash harness, behind right side of dash)
• Idl0
• Ign fuse 7.5a
• J/b 1 (behind dash, left of steering column)
• J/b 3 (behind combination meter)
• J/b 3 (behind left side of dash)
• J/c 9, 10 (left side of engine compt)
• Junction connector 11 (above glove box)
• L ind
• N ind
• No. 1
• No. 2
• No. 3
• O/d main switch
• Od off
• Od1
• Od2
• Oil
• P ind
• Park/neutral position switch (on transmission)
• Pnk
• Pwr
• R ind
• R/b 2 (left side of engine compt)
• Red
• Sp1
• Sp2+
• Sp2-
• Speedo
• Stop fuse 15a
• Stoplamp switch (on brake pedal bracket)
• Te1
• Throttle position sensor (on throttle body)
• Thw
• Vcc
• Vehicle speed sensor (for ect) (on transmission)
• Vta

3.4L, A/T Wiring Diagram, with Floor Shift for Toyota Tacoma 1999

List of elements for 3.4L, A/T Wiring Diagram, with Floor Shift for Toyota Tacoma 1999:

• (4wd only)
• A/t oil temperature sensor (on transmission)
• Batt (b+)
• Cruise control system
• D13
• D18
• D19
• Data link connector 1 (left side of engine compt)
• E1 (grd)
• Ect pwr
• Efi fuse 15a
• Efi relay (r/b 2)
• Electronic controlled transmission solenoids
• Electronically controlled transmission pattern select switch
• Engine control module (behind right side of dash)
• Engine controls
• Engine coolant temperature sensor (on engine)
• F15
• G100 (left front fender)
• G102 (left shock tower)
• G17
• G200 (left kick panel)
• G22
• Gauge fuse 10a
• Hot at all times
• Hot in run or start
• I9 (dash harness, behind right side of dash)
• Idl0
• Ign fuse 7.5a
• J/b 1 (behind dash, left side of steering column)
• J/b 2 (left side of engine compt)
• J/b 3 (behind dash, above steering column)
• J/c 2 (above glove box)
• J/c 9, 10 (left side of engine compt)
• Junction connector 11 (above glove box)
• No. 1
• No. 2
• No. 3
• O/d main switch
• Od off
• Od1
• Od2
• Oil
• Oil temp
• Oil-w
• P ind
• Park/neutral position switch (on transmission)
• Pnk
• Pwr
• Red
• Sp1
• Sp2+
• Sp2-
• Speedo
• Stop fuse 15a
• Stoplamp switch (on brake pedal bracket)
• Te1
• Throttle position sensor (on throttle body)
• Thw
• Vcc
• Vehicle speed sensor (for ect) (on transmission)
• Vta

4WD Wiring Diagram, with 2-4 Select Switch for Toyota Tacoma 1999

List of elements for 4WD Wiring Diagram, with 2-4 Select Switch for Toyota Tacoma 1999:

• (left front fender) g104
• (left front shock tower) j/c 9, j/c 10
• 2-4
• 2-4 select motor (on transmission)
• 2-4 select switch
• 4wd
• 4wd control ecu (w/ rear diff lock) (upper left kick panel)
• 4wd ecu (below center of dash)
• 4wd fuse 15a
• 4wd ind
• A/t ind switch
• A/t parking ind
• A22
• Abs actuator w/ ecu (below center of dash)
• Add indicator switch (left side of engine)
• B12
• C10
• C13
• Combination meter
• D16
• D18
• D19
• Detection switch (transfer 4wd position) (on trans- mission)
• Detection switch (transfer l4 position) (on trans- mission)
• Detection switch (transfer neutral position) (on trans- mission)
• Engine control module (behind right side of dash)
• Exi3
• F12
• F16
• Floor a/t only
• G17
• G19
• G20
• G201 (right end of dash)
• G202 (left end of dash)
• Gauge fuse 10a
• Gnd
• H20
• H21
• H22
• Hot in run or start
• I9 (dash harn, upper right side of dash)
• Ind
• J/b 1 (behind left side of dash)
• J/b 3 (center) (center of dash)
• J/b 3 (center) (w/rear diff. lock) (center of dash)
• J/b 3 (left) (above steering column)
• J/c 2 (above glove box)
• Park/ neutral position switch
• Red
• Rl1
• Rl2
• Spd
• Speed
• Tfn
• Vsv 2 (add) (left front of engine compt)
• Vsv 4 (add) (left front of engine compt)

4WD Wiring Diagram, without 2-4 Select Switch for Toyota Tacoma 1999

List of elements for 4WD Wiring Diagram, without 2-4 Select Switch for Toyota Tacoma 1999:

• (on trans- mission)
• 2.7l
• 3.4l
• 4wd
• 4wd control ecu (w/ rear diff lock) (upper left kick panel)
• 4wd fuse 15a
• 4wd ind
• A/t parking ind
• Abs actuator w/ ecu (right rear of engine compt)
• Add control relay (upper right kick panel)
• Add indicator switch (left side of engine)
• B12
• C10
• C13
• D16
• D18
• D19
• Detection switch (transfer 4wd position) (on trans- mission)
• Detection switch (transfer l4 position) (on trans- mission)
• Detection switch (transfer neutral position)
• Engine control module (behind right side of dash)
• Exi3
• Floor a/t only
• G104 (left front fender)
• G202 (left end of dash)
• Gauge fuse 10a
• Hot in on or start
• I9 (dash harn, upper right side of dash)
• Instrument cluster
• J/b 1 (behind left side of dash)
• J/b 3 (center) (behind center of dash)
• J/b 3 (left) (above steering column)
• J/c 2 (behind top right side of dash)
• J/c 9, j/c 10 (left front shock tower)
• Park/neutral position switch (a/t indicator switch) (transmission)
• Tfn
• Vsv 2 (add) (left front of engine compt)
• Vsv 4 (add) (left front of engine compt)
• W/ abs
• W/ rear diff lock
• W/o abs
• W/o rear diff lock

Rear Differential Lock Wiring Diagram for Toyota Tacoma 1999

List of elements for Rear Differential Lock Wiring Diagram for Toyota Tacoma 1999:

• 3.4l w/ a/t
• 4wd
• 4wd control ecu (upper left kick panel)
• 4wd ecu (w/ 2-4 select switch) (below center of dash)
• 4wd fuse 20a
• A22
• Abs actuator with ecu (w/ abs) (right rear of engine compt)
• B12
• C10
• C13
• Combination meter
• D11
• D16
• D19
• Detection switch (transfer l4 position) (on transmission)
• Except 3.4l w/ a/t
• Exi2
• Exi3
• F12
• F16
• Free
• G17
• G18
• G201 (right end of dash)
• G202 (left end of dash)
• Gauge fuse 10a
• Gnd
• Hot in on or start
• J/b 1 (behind left side of dash)
• J/b 3 (center) (behind center dash)
• J/b 3 (center) (behind center of dash)
• J/b 3 (left) (above steering column)
• J/b 3 (left) (behind dash, above steering column)
• J/c 2 (top right side of dash)
• Limit switch
• Lock
• Rear differential lock switch
• Rear differential lock detection switch
• Rear differential lock indicator
• Rear differential lock motor
• Rel1
• Rel2
• Rlp
• Spd
• Speed
• W/ abs or w/ 2-4 select switch
• W/o abs and w/o 2-4 select switch