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:

Illumination for Panel Switch does not Come on with Tail Switch ON
PROCEDURE 1. CHECK VEHICLE SIGNAL (OPERATION CHECK) (a) Enter the "Vehicle Signal Check Mode" screen. Refer to Check Vehicle Signal in Operation Check (See page ). (b) Check that the display changes between ON ...

Head restraints
Head restraints are provided for all seats. Adjusting the head restraints Front and second seats 1. Up Pull the head restraints up. 2. Down Push the head restraint down while pushing the lock release button. Folding the head restraints Second seats (ve ...

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