Toyota 4Runner manuals

Toyota 4Runner: System Diagram

SYSTEM DIAGRAM

Communication Table

Sender

Receiver

Signal

Line

ECM

Stabilizer control ECU

  • Engine type information
  • Gear information
  • Drive train information
  • TC terminal status

CAN communication

Skid control ECU

Stabilizer control ECU

  • Wheel speed signal
  • Stop light switch signal
  • Speed sensor error signal
  • Speed sensor power supply decline signal

CAN communication

Yaw rate and acceleration sensor

Stabilizer control ECU

  • Yaw rate sensor (Acceleration sensor) signal
  • Acceleration sensor zero point value
  • Yaw rate sensor (Acceleration sensor) installation information
  • Sensor error signal
  • Acceleration sensor zero point uncorrected status

CAN communication

Steering angle sensor

Stabilizer control ECU

  • Steering angle signal
  • Steering angle sensor BAT terminal disconnection
  • Sensor error
  • Memorized zero point value inside steering angle sensor

CAN communication

Stabilizer control ECU

Combination meter

KDSS indicator light signal

CAN communication

Parts Location
PARTS LOCATION ILLUSTRATION ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP NEXT ...

Other materials about Toyota 4Runner:

Disassembly
DISASSEMBLY CAUTION / NOTICE / HINT HINT: Use the same procedure for the RH and LH sides. The procedure listed below is for the LH side. PROCEDURE 1. REMOVE FRONT DISC BRAKE SET RING (a) Using a screwdriver, remove the 4 fron ...

Hydraulic Test
HYDRAULIC TEST 1. PERFORM HYDRAULIC TEST (a) Measure the line pressure. CAUTION: The line pressure test should always be carried out in pairs. One technician should observe the conditions of the wheels and wheel stoppers from outside the vehicle while ...

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