TRANSMISSION – Toyota 4Runner Trail 2012 – SYSTEM WIRING DIAGRAMS

TRANSMISSION

4WD Wiring Diagram for Toyota 4Runner Trail 2012

List of elements for 4WD Wiring Diagram for Toyota 4Runner Trail 2012:

63

• (center of dash) j/b 5
• 2-4
• 4lo ind
• 4wd fuse 20a
• A18
• A65
• A66
• A68
• B14
• B2 (right rear of engine)
• B22
• B54
• B55
• B60
• B63
• Bf2
• C30
• C55
• Canh
• Canl
• Cdl
• Center differential lock ind
• Combination meter assembly
• Computer data lines system
• D30
• D39
• Driver side j/b assembly (left end of dash)
• Ecm (right end of dash)
• Ecu-b fuse 10a
• Engine room r/b assembly (left side of engine compt)
• Ex1
• Exi3
• F46
• F47
• F51
• Fa1
• Four wheel drive control ecu (right side of dash)
• Gauge fuse 7.5a
• Gnd
• Gnd1
• Hl1
• Hl2
• Hm1
• Hm2
• Hot at all times
• Hot in on or start
• Ig+
• J/b 4 (left side of dash)
• J/b 5 (center of dash)
• J/c f57 (right end of dash)
• J/c f64 (center left of dash)
• J/c f65 (right kick panel)
• Pnk
• Red
• Rlp
• Skid control ecu w/ actuator assembly (left rear of engine compt)
• Tl1
• Tl2
• Tl3
• Tm1
• Tm2
• Transfer position switch (center console)
• Transfer shift actuator assembly (transmission assembly)

A/T Wiring Diagram (1 of 3) for Toyota 4Runner Trail 2012

List of elements for A/T Wiring Diagram (1 of 3) for Toyota 4Runner Trail 2012:

67

• (left side of engine compt) j/c a38
• +b2
• A1 (left front of engine compt)
• A64
• B36
• B37
• B38
• B39
• Batt
• C20
• C31
• D26
• Driver side j/b assembly (left end of dash)
• Ecm (right end of dash)
• Ecu-ig 1 fuse 10a
• Efi fuse 25a
• Efi main relay
• Engine room j/b assembly (left side of engine compt)
• Epa
• Epa2
• Eta
• Ethw
• F50
• F51
• Fa2
• Geo1
• Hot at all times
• Hot w/ ig 1 relay energized
• Hot w/ ig2 relay energized
• Ign fuse 10a
• J/b 4 (left side of dash)
• J/c a36 (left end of dash)
• J/c a39 (left side of engine compt)
• J/c f57 (right end of dash)
• Mrel
• Nca
• Nt+
• Nt-
• Pnk
• Red
• Sftd
• Sftu
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Sp2+
• Sp2-
• St1-
• Stop light switch assembly
• Stp
• Tho1
• Tho2
• Thw
• Transmission revolution sensor (counter gear) (transmission assembly)
• Transmission revolution sensor (turbine) (transmission assembly)
• Vcp2
• Vcpa
• Vcta
• Vpa
• Vpa2
• Vta1
• Vta2

A/T Wiring Diagram (2 of 3) for Toyota 4Runner Trail 2012

List of elements for A/T Wiring Diagram (2 of 3) for Toyota 4Runner Trail 2012:

31

• (center of dash) j/b 5
• (left end of dash) j/c a36
• (left side of dash) accelerator pedal sensor assembly
• (right side of transmission) park/neutral position switch
• A16
• B35
• B59
• Bf2
• C57
• Efi engine coolant temperature sensor (rear of engine)
• Engine controls system
• Engine room r/b assembly (left side of engine compt)
• Epa
• Epa2
• Fa2
• Hot at all times
• J/b 5 (center of dash)
• J/c b48 (right side of dash)
• Nca
• Pnk
• R n
• Red
• Starting/charging system
• Stop fuse 10a
• Throttle w/ motor body assembly (throttle body assembly)
• Vcp2
• Vcpa
• Vpa
• Vpa2
• Vta
• Vta2

A/T Wiring Diagram (3 of 3) for Toyota 4Runner Trail 2012

List of elements for A/T Wiring Diagram (3 of 3) for Toyota 4Runner Trail 2012:

32

• (transmission assembly)
• A/t oil ind
• A65
• B14
• B63
• Buzzer
• C54
• Canh
• Canl
• Chk
• Combination meter assembly
• Computer data lines system
• Electronically controlled transmission solenoid
• J/b 4 (left side of dash)
• J/b 5 (center of dash)
• J/c f64 (center left of dash)
• Malfunction indicator lamp
• Ot+
• Ot-
• Ot2+
• Ot2-
• Sftd
• Sftu
• Sl1+
• Sl1-
• Sl2+
• Sl2-
• Slt+
• Slt-
• Slu+
• Slu-
• Transmission control switch (center console)

Rear Differential Lock Wiring Diagram for Toyota 4Runner Trail 2012

List of elements for Rear Differential Lock Wiring Diagram for Toyota 4Runner Trail 2012:

88

• (if equipped) rear differential lock indicator switch
• 4lo ind
• 4wd
• 4wd fuse 20a
• 4wd ind
• 4wdl
• A/t p ind
• A18
• A64
• A68
• Add
• B14
• B2 (right rear of engine)
• B22
• B35
• B36
• B50
• B51
• B54
• B55
• B59
• B63
• Bd1
• Bf1
• Bf2
• C20
• C31
• C55
• Canh
• Canl
• Center differential lock ind
• Combination meter assembly
• Computer data lines system
• D30
• D39
• Differential lock switch (w/ crawl control)
• Differential vacuum actuator assembly (front of engine)
• Dl1
• Dl2
• Dm1
• Dm2
• Driver side j/b assembly (left end of dash)
• Ecm (right end of dash)
• Ecu-b fuse 10a
• Ecu-ig 1 fuse 10a
• Engine room r/b assembly (left side of engine compt)
• Ex1
• Exi3
• F20
• F46
• F47
• F51
• Fa1
• Fo1
• Four wheel drive control ecu (right side of dash)
• Fs1
• Gauge fuse 7.5a
• Gnd
• Gnd2
• Hot at all times
• Hot in on or start
• Ig+
• Interior lights system
• J/b 4 (left side of dash)
• J/b 5 (center of dash)
• J/c f57 (right end of dash)
• J/c f63 (left kick panel)
• J/c f64 (center left of dash)
• J/c f65 (right kick panel)
• J/c u7 (overhead console)
• O1 (left "b" pillar)
• Park/neutral position switch (right side of transmission)
• Pnk
• Qd1
• Qo1
• Qo2
• Rear differential lock ind (if equipped)
• Rear differential shift lock actuator (w/ crawl control) (rear differential assembly)
• Red
• Rlp
• Rly1
• Rly2
• Skid control ecu w/ actuator assembly (w/ crawl control) (left rear of engine compt)
• Su1
• Tfn
• Transfer indicator switch (4wd position) (transmission assembly)
• Transfer indicator switch (l4 position) (transmission assembly)
• Transfer indicator switch (neutral position) (transmission assembly)