LEMON Manuals: Even more car manuals for everyone
Home >> Toyota >> 2021 >> 4Runner TRD Pro >> Repair and Diagnosis >> Accessories & Equipment >> Gauges & Instrument Panels >> Meter / Gauge System - Diagnostics - Introduction (1 Of 2) >> Meter / Gauge System >> System Diagram [08/2015 - 08/2019] >> System Diagram [08/2015 - 08/2019]

System Diagram [08/2015 - 08/2019]

Fig 1: Meter And Gauge System Wiring Diagram [08/2015 - 08/2019] (1 Of 4)
GTY719818Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 2: Meter And Gauge System Wiring Diagram [08/2015 - 08/2019] (2 Of 4)
GTY729159Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 3: Meter And Gauge System Wiring Diagram [08/2015 - 08/2019] (3 Of 4)
GTY722199Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Fig 4: Meter And Gauge System Wiring Diagram [08/2015 - 08/2019] (4 Of 4)
GTY727851Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
Terminal No. (Symbol) Wire Harness Side
F14 1 (CANH) CAN communication line (V Bus)
2 (CANL) CAN communication line (V Bus)
3 (MSSL) Steering Pad Switch Assembly
4 -
5 -
6 (LINT) Drive monitor switch*1
7 (RR) Clearance warning ECU assembly*2
8 (S) Engine oil pressure switch assembly
9 (TIRE) Tire pressure warning ECU
10 (IL2-) Each part that uses the illumination signal
11 (ILL-) Each part that uses the illumination signal
12 (RL) Clearance warning ECU assembly*2
13 (MGND) Ground
14 (SW) Brake master cylinder sub-assembly (Brake fluid level warning switch)*7
15 (B) ECU-B fuse
16 -
17 (IG+) GAUGE fuse
18 (BK) Clearance warning ECU assembly*2
19 (E3) Fuel sender gauge assembly
20 (E1) Ground
21 (STP+) Automatic running boards warning light signal*3
22 (STPA) Ground*3
23 (MSCH) CAN communication line (MS Bus)*4
24 (MSCL) CAN communication line (MS Bus)*4
25 (B) Turn signal flasher assembly
26 (CHG-) Generator assembly
27 (WLVL) Level warning switch assembly*5
28 (+S) Speed signal for other systems (Output)
29 (SI) Speed signal for other systems (Input)
30 (CHK) ECM
31 (OP) Clearance warning ECU assembly*2
32 (FL) Clearance warning ECU assembly*2
33 (B) Turn signal flasher assembly
34 -
35 (FR) Clearance warning ECU assembly*2
36 (TC) Light control rheostat*6
37 (RHIG) Light control rheostat*6
38 (TR) Light control rheostat*6
39 (E2) Light control rheostat*6
40 (L) Fuel sender gauge assembly
  1. *1: w/ CRAWL Control
  2. *2: w/ Intuitive Parking Assist System
  3. *3: w/Automatic Running Board System
  4. *4: w/ Seat Position Memory
  5. *5: w/ Level Warning Switch Assembly
  6. *6: w/ Light Control Rheostat
  7. *7: for 2WD
  1. INPUT AND OUTPUT SIGNALS OF COMBINATION METER ASSEMBLY 
    1. Meter or Gauge
      Meter or Gauge Communication Signal Sender Communication Line Receiver
      Speedometer Vehicle speed Skid control ECU (Brake Actuator Assembly) *3
      Master cylinder solenoid (Skid control ECU *4)      		 CAN Combination meter assembly
      Tachometer Engine speed ECM CAN Combination meter assembly
      Fuel receiver gauge Fuel level Fuel sender gauge assembly CAN Combination meter assembly
      Fuel injection ECM CAN Combination meter assembly
      Engine coolant temperature receiver gauge Engine coolant temperature ECM CAN Combination meter assembly
    2. Warning or Indicator
      Warning or Indicator Communication Signal Sender Communication Line Receiver
      Driver and passenger side seat belt warning light Driver side seat belt buckle switch Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Passenger side seat belt buckle switch Airbag sensor assembly CAN Combination meter assembly
      Open door warning light Each door courtesy switch Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      High beam indicator light High beam indicator light Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Cruise indicator light Cruise main indicator ECM CAN Combination meter assembly
      Set indicator light Set indicator ECM CAN Combination meter assembly
      Oil pressure warning light Oil pressure warning Engine oil pressure switch assembly Direct line Combination meter assembly
      SRS warning light SRS warning light Airbag sensor assembly CAN Combination meter assembly
      Tire pressure warning light Tire pressure warning Tire pressure warning ECU Direct line Combination meter assembly
      MIL
      (Check engine warning light)      		 MIL
      (Check engine warning light)      		 ECM Direct line Combination meter assembly
      Charge warning light Charge warning light Generator assembly Direct line Combination meter assembly
      Head indicator light*1 Head indicator light Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Tail indicator light*2 Taillight Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Slip indicator light Slip indicator Skid control ECU (Brake Actuator Assembly) *3
      Master cylinder solenoid (Skid control ECU *4)      		 CAN Combination meter assembly
      VSC OFF indicator light VSC OFF indicator Skid control ECU (Brake Actuator Assembly) *3
      Master cylinder solenoid (Skid control ECU *4)      		 CAN Combination meter assembly
      AUTO LSD indicator light*3 AUTO LSD indicator Skid control ECU (Brake Actuator Assembly) *3
      Master cylinder solenoid (Skid control ECU *4)      		 CAN Combination meter assembly
      A-TRAC indicator light*4 4WD indicator Four wheel drive control ECU CAN Combination meter assembly
      CRAWL indicator light*5 CRAWL indicator Skid control ECU (Brake Actuator Assembly) *3
      Master cylinder solenoid (Skid control ECU *4)      		 CAN Combination meter assembly
      Downhill assist control indicator light*6 4WD indicator Four wheel drive control ECU CAN Combination meter assembly
      TRAC OFF indicator light TRAC OFF indicator Skid control ECU (Brake Actuator Assembly) *3
      Master cylinder solenoid (Skid control ECU *4)      		 CAN Combination meter assembly
      ABS warning light ABS warning light Skid control ECU (Brake Actuator Assembly) *3
      Master cylinder solenoid (Skid control ECU *4)      		 CAN Combination meter assembly
      Brake warning light Brake warning light Skid control ECU (Brake Actuator Assembly) *3
      Master cylinder solenoid (Skid control ECU *4)      		 CAN Combination meter assembly
      Brake fluid level warning switch Brake master cylinder sub-assembly (Brake fluid level warning switch)*3 Direct line
      Skid control ECU (Brake Actuator Assembly) *3
      Master cylinder solenoid (Skid control ECU *4)      		 CAN
      Parking brake switch Main body ECU (Multiplex network body ECU) CAN
      4WD indicator light*7,*8 4WD indicator Four wheel drive control ECU CAN Combination meter assembly
      4LO indicator light*4 4LO indicator Four wheel drive control ECU CAN Combination meter assembly
      Center differential lock indicator light*7, *9 4WD indicator Four wheel drive control ECU CAN Combination meter assembly
      A/T P indicator light*7 A/T P indicator Four wheel drive control ECU CAN Combination meter assembly
      Rear differential lock indicator light*10 4WD indicator Four wheel drive control ECU CAN Combination meter assembly
      Front fog indicator light Front fog indicator Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Fuel level warning light Fuel level Fuel sender gauge assembly Direct line Combination meter assembly
      Turn indicator light Turn indicator light Turn signal flasher assembly Direct line Combination meter assembly
      Eco driving indicator light Ecology lamp indicator ECM CAN Combination meter assembly
      KDSS indicator light*11 KDSS indicator Stabilizer control ECU CAN Combination meter assembly
      Smart key indicator light*12 Smart key indicator Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Multi terrain select indicator light*5 Multi terrain select indicator Skid control ECU (Brake Actuator Assembly) *3
      Master cylinder solenoid (Skid control ECU *4)      		 CAN Combination meter assembly
      PPS warning light PPS warning light Power steering ECU assembly CAN Combination meter assembly
      Master warning light warning Each ECU CAN Combination meter assembly
      Automatic Running Boards warning light*13 Automatic Running Boards warning Side Auto Step Controller ECU Assembly Direct line Combination meter assembly
      Shift position indicator Shift position ECM CAN Combination meter assembly
      1. *1: for U.S.A.
      2. *2: except U.S.A.
      3. *3: for 2WD
      4. *4: for 4WD
      5. *5: w/ CRAWL Control
      6. *6: w/ Downhill Assist Control System
      7. *7: for VF2A Transfer
      8. *8: for VF2BM Transfer
      9. *9: for VF4BM Transfer
      10. *10: w/ Rear Differential Lock
      11. *11: w/ Kinetic Dynamic Suspension System
      12. *12: w/ Smart Key System
      13. *13: w/ Automatic Running Board System
    3. Multi-information Display
      Multi-information Display Communication Signal Sender Communication Line Receiver
      ODO/TRIP meter ODO/TRIP change ODO/TRIP switch Direct line Combination meter assembly
      ODO signal Skid control ECU (Brake Actuator Assembly) *8
      Master cylinder solenoid (Skid control ECU *9)      		 CAN
      Eco driving indicator zone display Eco-zone indicator level ECM CAN Combination meter assembly
      Road surface freezing Outside temperature Air conditioning amplifier assembly CAN Combination meter assembly
      Direction*1 Direction Navigation receiver assembly CAN Combination meter assembly
      Outside Temperature Outside temperature Air conditioning amplifier assembly CAN Combination meter assembly
      Average fuel consumption Engine speed ECM CAN Combination meter assembly
      Fuel injection
      Vehicle speed Skid control ECU (Brake Actuator Assembly) *8
      Master cylinder solenoid (Skid control ECU *9)      		 CAN
      ODO
      Current Fuel Consumption Engine speed ECM CAN Combination meter assembly
      Fuel injection
      Vehicle speed Skid control ECU (Brake Actuator Assembly) *8
      Master cylinder solenoid (Skid control ECU *9)      		 CAN
      Total driving distance
      Cruising Range Engine speed ECM CAN Combination meter assembly
      Fuel injection
      Vehicle speed Skid control ECU (Brake Actuator Assembly) *8
      Master cylinder solenoid (Skid control ECU *9)      		 CAN
      Total driving distance
      Fuel level Fuel sender gauge assembly Direct line
      Elapsed Time Engine speed ECM CAN Combination meter assembly
      Steering pad switch assembly
      (DISP switch)      		 Steering pad switch assembly
      (DISP switch)      		 Direct line
      Vehicle Speed Engine speed ECM CAN Combination meter assembly
      Vehicle speed Skid control ECU (Brake Actuator Assembly) *8
      Master cylinder solenoid (Skid control ECU *9)      		 CAN
      Steering Angle Steering angle Spiral cable sub-assembly
      (Steering angle sensor)      		 CAN -
      Setting Customized setting - - Combination meter assembly
      Open door message Each door courtesy switch Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Clearance sonar system message*2 Clearance sonar system message Clearance warning ECU assembly Direct line Combination meter assembly
      Smart Key system message*3 Smart Key system message Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Release parking brake message Parking brake switch Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Vehicle speed Skid control ECU (Brake Actuator Assembly) *8
      Master cylinder solenoid (Skid control ECU *9)      		 CAN
      A/T fluid temperature high message A/T fluid temperature high message ECM CAN Combination meter assembly
      Sliding roof message*4 Sliding roof message Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Washer level message*5 Washer level message Level warning switch assembly Direct line Combination meter assembly
      Maintenance required message*6 Oil maintenance required message Combination meter assembly - Combination meter assembly
      Smart door unlock mode setting display*3 Smart door unlock mode setting Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Multi-information display change Multi-information display change Steering pad switch assembly
      (DISP switch)      		 Direct line Combination meter assembly
      Multi terrain select display*7 Multi terrain select Drive monitor switch LIN Combination meter assembly
      1. *1: for Navigation Receiver Type
      2. *2: w/ Intuitive Parking Assist System
      3. *3: w/ Smart Key System
      4. *4: w/ Sliding Roof System
      5. *5: w/ Level Warning Switch Assembly
      6. *6: for U.S.A.
      7. *7: w/ CRAWL Control
      8. *8: for 2WD
      9. *9: for 4WD
    4. Buzzer
      Buzzer Communication Signal Sender Communication Line Receiver
      Key reminder buzzer*1 Driver side door courtesy switch Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Ignition switch
      Shift down reject buzzer Shift down reject buzzer ECM CAN Combination meter assembly
      Seat belt warning buzzer Driver side seat belt buckle switch Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Front passenger side door courtesy switch
      Driver side door courtesy switch
      Parking brake switch
      Front passenger side seat belt buckle switch Airbag sensor assembly CAN
      Shift position R ECM CAN
      Shift position P
      Vehicle speed Skid control ECU (Brake Actuator Assembly) *7
      Master cylinder solenoid (Skid control ECU *8)      		 CAN
      Driving with any door opened warning buzzer Vehicle speed Skid control ECU (Brake Actuator Assembly) *7
      Master cylinder solenoid (Skid control ECU *8)      		 CAN Combination meter assembly
      Each door courtesy switch Main body ECU (Multiplex network body ECU)
      Smart key warning buzzer*2 Ignition switch Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Engine immobiliser certification buzzer Certification complete Certification ECU (Smart key ECU assembly) CAN Combination meter assembly
      Driving with parking brake unreleased warning buzzer Parking brake switch Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      Vehicle speed Skid control ECU (Brake Actuator Assembly) *7
      Master cylinder solenoid (Skid control ECU *8)      		 CAN
      Sliding roof open warning*3 Sliding roof open warning buzzer request Main body ECU (Multiplex network body ECU) CAN Combination meter assembly
      4WD buzzer*4 4WD buzzer request Four wheel drive control ECU CAN Combination meter assembly
      Downhill assist control buzzer*5 Meter buzzer request Skid control ECU (Brake Actuator Assembly) *7
      Master cylinder solenoid (Skid control ECU *8)      		 CAN Combination meter assembly
      Hill-start assist control buzzer Meter buzzer request Skid control ECU (Brake Actuator Assembly) *7
      Master cylinder solenoid (Skid control ECU *8)      		 CAN Combination meter assembly
      Master warning buzzer Each system warning Skid control ECU (Brake Actuator Assembly) *7
      Master cylinder solenoid (Skid control ECU *8)      		 CAN Combination meter assembly
      Main body ECU (Multiplex network body ECU)
      ECM
      Certification ECU (Smart key ECU assembly)*2
      Drive monitor switch*6 LIN
      1. *1: w/o Smart Key System
      2. *2: w/ Smart Key System
      3. *3: w/ Sliding Roof System
      4. *4: for 4WD
      5. *5: w/ Downhill Assist Control System
      6. *6: w/ CRAWL Control
      7. *7: for 2WD
      8. *8: for 4WD
    5. Others
      Signal Communication Signal Sender Communication Line Receiver
      Vehicle speed signal Vehicle speed Skid control ECU (Brake Actuator Assembly) *7
      Master cylinder solenoid (Skid control ECU *8)      		 Direct Line Combination meter assembly
      Vehicle speed Combination meter assembly Direct Line ECM
      Tire pressure warning ECU
      Clearance warning ECU assembly*1
      Navigation receiver assembly*2
      Radio and display receiver assembly*3
      Voltage inverter assembly*4
      Power management control ECU*4
      Telematics transceiver*5
      Stereo Component Amplifier Assembly*6
      1. *1: w/ Intuitive Parking Assist System
      2. *2: for Navigation Receiver Type
      3. *3: for Radio and Display Type
      4. *4: w/ Smart Key System
      5. *5: w/ Safety Connect System
      6. *6: for 9 Speakers Type
      7. *7: for 2WD
      8. *8: for 4WD
scientia non olet · About LEMON Manuals