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:

Power Management Control ECU Communication Stop Mode
DESCRIPTION Detection Item Symptom Trouble Area Power Management Control ECU Communication Stop Mode Either condition is met: "Power Management1" is not displayed on the &quo ...

Manual(sos)switch
Components COMPONENTS ILLUSTRATION ILLUSTRATION Installation INSTALLATION PROCEDURE 1. INSTALL TELEPHONE SWITCH ASSEMBLY (a) Install the telephone switch with the 2 screws. (b) Connect the connector. (c) Attach the 8 claws to install the inne ...

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