ENGINE PERFORMANCE – Toyota Tundra 2002 – SYSTEM WIRING DIAGRAMS

ENGINE PERFORMANCE

3.4L

3.4L, Engine Performance Wiring Diagrams (1 of 3) for Toyota Tundra 2002

List of elements for 3.4L, Engine Performance Wiring Diagrams (1 of 3) for Toyota Tundra 2002:

• (behind left side of dash) driver side j/b
• (engine harn, right rear of engine compt)
• (right side of engine compt) igniter
• (right side of engine compt) noise filter
• (top right of engine)
• A/t oil temperature sensor (on transmission)
• Acc
• Af1+
• Af1-
• Air fuel ratio sensor (bank 1, sensor 1) (on exhaust system)
• Camshaft position sensor (right front of engine)
• Conn e6
• Conn e7
• Crankshaft position sensor (left front of engine)
• E01
• E02
• E03
• E05
• E2g
• Ed (left side of engine)
• Engine control module (behind right side of dash)
• Engine coolant temperature sensor (top left of engine)
• Evp1
• Fuel injectors
• Hot at all times
• Htaf1
• I11
• I12
• I13
• I14
• I15
• Igf
• Ignition coil 1
• Ignition coil 2
• Ignition coil 3
• Ignition switch
• Igt1
• Igt2
• Igt3
• Knk1
• Knk2
• Knock sensor 1 (right side of engine)
• Knock sensor 2 (left side of engine)
• Lock
• Mass airflow meter (on air cleaner housing)
• Nca
• Ne+
• Ne-
• Oil
• Pnk
• Power steering oil pressure switch (right front of engine)
• Psw
• Red
• Rsc
• Rsd
• Run
• Sp2+
• Spd-
• Start
• Tha
• Throttle position sensor (on throttle body assembly)
• Thw
• Vta

3.4L, Engine Performance Wiring Diagrams (2 of 3) for Toyota Tundra 2002

List of elements for 3.4L, Engine Performance Wiring Diagrams (2 of 3) for Toyota Tundra 2002:

• (dash harn, right side of dash)
• (dash harn, right side of dash) i12
• Automatic disconnecting differential actuator (left rear of engine compt)
• Cruise control ecu (right side of engine compt)
• Driver side j/b (behind left side of dash)
• Ed (left side of engine)
• Electronically controlled transmission solenoid
• G203
• Heated oxygen sensor (bank 1, sensor 2) (on exhaust system)
• Hot at all times
• I12
• I14
• Idle air control valve (right side of engine)
• J/c 10 (behind upper left side of dash)
• J/c 12 (behind right side of dash)
• J/c 12 (w/ cruise control) (behind right side of dash)
• J/c 13 (right kick panel)
• J/c 9 (behind upper left side of dash)
• Nca
• Red
• Stop fuse 15a
• Stoplight switch (on bracket, above brake pedal)
• Transfer detection switch (l4) (transfer case)
• Transfer detection switch (neutral) (transfer case)
• Vapor pressure sensor (left rear corner of eng compt)
• Vehicle speed sensor (a/t) (on trans)
• Vsv (evap) (rear of engine)

3.4L, Engine Performance Wiring Diagrams (3 of 3) for Toyota Tundra 2002

List of elements for 3.4L, Engine Performance Wiring Diagrams (3 of 3) for Toyota Tundra 2002:

• (left front fender) ea
• (upper left side of dash) diode
• 11f
• 11g
• 4wd
• A/c system
• A/t indicator light switch
• A/t oil temp
• Ac1
• Acc fuse 15a
• Act
• Batt
• C/opn relay
• C11
• C12
• C13
• C14
• Combination meter
• Conn e3
• Conn e4
• Control unit
• Data link connector (center of dash)
• Driver side j/b
• Driver side j/b (behind left side of dash)
• Ed (left side of engine)
• Efi 1 fuse 15a
• Efi relay
• Engine control module (behind right side of dash)
• Engine room r/b (left side of engine compt)
• Fuel pump (in fuel tank)
• Gauge fuse 10a
• Hot at all times
• Hot in run or acc
• Hot in run or start
• Hot in start
• Hts hts
• Idlo idlo
• Ig+
• Ign fuse 5a
• Igsw
• Ii (right kick panel)
• J/c
• J/c 1 (left side of engine compt)
• J/c 11 (right side of dash)
• J/c 3 (left kick panel)
• J/c 4 (behind left kick panel)
• J/c 5 (behind upper left side of dash)
• J/c 7 (behind upper left side of dash)
• Malf ind lamp
• Mrel
• Nca
• Nsw
• O/d main switch (center of dash)
• O/d off ind
• Od1
• Od2
• Odms
• Oilw
• Oxs
• Pnk
• Ptnk
• Red
• Sil
• Sp1
• Sta
• Sta fuse 5a
• Starting/ charging system
• Stp
• Tfn
• Tpc
• Vehicle speed sensor (on trans)
• Vsv (vapor pressure sensor) (left rear of engine compt)

4.7L

4.7L, Engine Performance Wiring Diagrams (1 of 3) for Toyota Tundra 2002

List of elements for 4.7L, Engine Performance Wiring Diagrams (1 of 3) for Toyota Tundra 2002:

• (behind left side of dash) driver side j/b
• (dash harn, right side of dash)
• (dash harn, right side of dash) i7
• (rear of engine compt)
• (right rear of engine) eb
• A/t oil temperature sensor (on transmission)
• Acc
• Accelerator position sensor (right front of engine)
• Camshaft position sensor (left front of engine)
• Cl+
• Cl-
• Conn e6
• Conn e7
• Crankshaft position sensor (left front of engine)
• E01
• E02
• E03
• Eb (right rear of engine)
• Ec (left rear of engine)
• Engine control module (behind right side of dash)
• Engine coolant temperature sensor (right front of engine)
• Evg
• Fuel injectors
• Ge01
• Hot at all times
• Htl
• Htl2
• Htr
• Htr2
• Igf1
• Igf2
• Igniters & ignition coils
• Ignition switch
• Igt1
• Igt2
• Igt3
• Igt4
• Igt5
• Igt6
• Igt7
• Igt8
• Knkl
• Knkr
• Lock
• Mass airflow meter (on air cleaner housing)
• Me01
• Nca
• Ne+
• Ne-
• Noise filters
• Oxl1
• Oxl2
• Oxr1
• Oxr2
• Pnk
• Prg
• Red
• Run
• Start
• Tha
• Throttle control motor (left front of engine)
• Throttle position sensor (on throttle body assembly)
• Thw
• Vapor pressure sensor (left rear corner of eng compt)
• Vpa
• Vpa2
• Vta
• Vta2

4.7L, Engine Performance Wiring Diagrams (2 of 3) for Toyota Tundra 2002

List of elements for 4.7L, Engine Performance Wiring Diagrams (2 of 3) for Toyota Tundra 2002:

• (dash harn, right side of dash)
• (left kick panel) j/c 3
• (on bracket, above brake pedal) stoplight switch
• 11g
• A/t indicator light switch (integral to park/neutral position switch) (on trans)
• A/t oil temp
• Acc fuse 15a
• C j/c 12 (right side of dash)
• C11
• C12
• C13
• C14
• Combination meter
• Control unit
• Diode (a/t) (upper left side of dash)
• Driver side j/b
• Driver side j/b (behind left side of dash)
• Eb (right rear of engine)
• Ec (left rear of engine)
• Fuel pump (in fuel tank)
• Fuel pump resistor (left side of engine compt)
• Gauge fuse 10a
• Heated oxygen sensor (bank 1 sensor 1) (on exhaust system)
• Heated oxygen sensor (bank 1 sensor 2) (on exhaust system)
• Heated oxygen sensor (bank 2 sensor 1) (on exhaust system)
• Heated oxygen sensor (bank 2 sensor 2) (on exhaust system)
• Hot at all times
• Hot in run or acc
• Hot in run or start
• I10
• Ig+
• Ii (right kick panel)
• Integration relay
• J/c
• J/c 10 (behind upper left side of dash)
• J/c 11 (right side of dash)
• J/c 6 (upper left side of dash)
• J/c 7 (behind upper left side of dash)
• J/c 8 (upper left side of dash)
• Knock sensor 1 (left side of engine)
• Knock sensor 2 (right side of engine)
• Malf ind lamp
• Nca
• O/d main switch (center of dash)
• O/d off ind
• Red
• Stop fuse 15a
• Tail fuse 15a
• Vehicle speed sensor (on trans)
• Vsv (evap) (left side of engine)

4.7L, Engine Performance Wiring Diagrams (3 of 3) for Toyota Tundra 2002

List of elements for 4.7L, Engine Performance Wiring Diagrams (3 of 3) for Toyota Tundra 2002:

• (center of left front fender) ea
• (left rear of engine compt) vsv (vapor pressure sensor
• (left side of trans) o/d direct clutch speed sensor
• (left side of trans) vehicle speed sensor
• (upper left side of dash) j/c 7
• +b1
• +bm
• 11f
• A/c system
• Ac1
• Act
• Batt
• C/opn relay
• Ccs
• Conn e3
• Conn e4
• Conn e5
• Cruise control
• D red
• Data link connector 3 (under left side of dash, near center console)
• Detection switch (l4) (on transfer case)
• Driver side j/b (behind left side of dash)
• Efi 1 fuse 15a
• Efi 2 fuse 15a
• Efi relay
• Electronically controlled transmission solenoid (in transmission)
• Els
• Engine control module (behind right side of dash)
• Engine room r/b
• Engine room r/b (left side of engine compt)
• Engine)
• Etcs fuse 15a
• Fpr
• Fuel pump relay
• Hot at all times
• Hot in run or start
• Hot in start
• Ign fuse 5a
• Igsw
• J/c 1 (left side of engine compt)
• J/c 12 (right side of dash)
• J/c 13 (right kick panel)
• J/c 4 (behind left kick panel)
• J/c 5 (upper left side of dash)
• Mrel
• Nco+
• Nco-
• Nsw
• Odlp
• Odms
• Oil
• Oilw
• Pnk
• Ptnk
• Red
• Sil
• Slt
• Slt+
• Slt-
• Sp2+
• Sp2-
• Spd
• St1-
• Sta
• Sta fuse 5a
• Starting/ charging system
• Stp
• Tach
• Tpc
• Wfse