Toyota 4Runner manuals

Toyota 4Runner: System Diagram

SYSTEM DIAGRAM

w/ Smart Key System

No.

ECU/Sensor Name

1

Combination meter assembly

2

Skid control ECU (master cylinder solenoid)*1

3

Main body ECU (multiplex network body ECU)

4

Airbag sensor assembly

5

Steering angle sensor (spiral cable sub-assembly)

6

DLC3

7

Navigation receiver assembly*2 or radio and display receiver assembly*3

8

Certification ECU (smart key ECU assembly)

9

Power management control ECU

10

Yaw rate sensor assembly

11

Power steering ECU assembly

12

Four wheel drive control ECU*1

13

Skid control ECU (brake actuator assembly)*4

14

ECM

15

Air conditioning amplifier assembly

16

Front power seat switch LH*5

  • *1: for 4WD
  • *2: for Navigation Receiver Type
  • *3: for Radio and Display Receiver Type
  • *4: for 2WD
  • *5: w/ Seat Position Memory
w/o Smart Key System

No.

ECU/Sensor Name

1

Combination meter assembly

2

Skid control ECU (master cylinder solenoid)*1

3

Main body ECU (multiplex network body ECU)

4

Airbag sensor assembly

5

Steering angle sensor (spiral cable sub-assembly)

6

DLC3

7

Navigation receiver assembly*2 or radio and display receiver assembly*3

10

Yaw rate sensor assembly

11

Power steering ECU assembly

12

Four wheel drive control ECU*1

13

Skid control ECU (brake actuator assembly)*4

14

ECM

15

Air conditioning amplifier assembly

17

Stabilizer control ECU*5

18

Drive monitor switch*6

  • *1: for 4WD
  • *2: for Navigation Receiver Type
  • *3: for Radio and Display Receiver Type
  • *4: for 2WD
  • *5: w/ Kinetic Dynamic Suspension System
  • *6: w/ CRAWL Control

1. w/ Smart Key System:





2. w/o Smart Key System:




System Description
SYSTEM DESCRIPTION 1. BRIEF DESCRIPTION (a) The CAN (Controller Area Network) is a serial data communication system for real-time application. It is a vehicle multiplex communication system which ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT IMPORTANT POINTS CONCERNING TROUBLESHOOTING CAUTION: Wait at least 90 seconds after disconnecting the cable from the negative (-) battery terminal to disable the SRS syste ...

Other materials about Toyota 4Runner:

Dtc Check / Clear
DTC CHECK / CLEAR 1. CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the ignition switch to ON and turn the Techstream on. (c) Enter the following menus: Body Electrical / Trouble Codes. (d) Check for DTCs. 2. CLEAR DTC (a) Connect the Techst ...

Rear Combination Light Assembly
Components COMPONENTS ILLUSTRATION Removal REMOVAL CAUTION / NOTICE / HINT HINT: Use the same procedure for both the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE REAR COMBINATION LIGHT LEN ...

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