Toyota 4Runner manuals

Toyota 4Runner: System Diagram


Communication Table

Transmitting ECU


Receiving ECU





Power management control ECU

Crankshaft position sensor signal

CAN/Serial communication

Combination meter

Power management control ECU

Vehicle speed signal

CAN/Serial communication

Steering lock ECU

Power management control ECU

Steering lock/unlock signal

LIN/Serial communication

Certification ECU

Power management control ECU

LIN master signal


Power management control ECU

Certification ECU

ID required signal


Key existence condition signal


System Description
SYSTEM DESCRIPTION 1. PUSH-BUTTON START DESCRIPTION (a) The push-button start function uses a push-type engine switch, which the driver can operate by merely carrying the key. This system consists ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the push-button start function. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT T ...

Other materials about Toyota 4Runner:

Data Signal Circuit between Navigation Receiver Assembly and Stereo Jack Adapter
DESCRIPTION The No. 1 stereo jack adapter assembly sends the sound data signal or image data signal from a USB device to the navigation receiver assembly via this circuit. WIRING DIAGRAM PROCEDURE 1. CHECK HARNESS AND CONNECTOR ( ...

INSTALLATION PROCEDURE 1. INSTALL BACK DOOR OUTSIDE GARNISH (w/o Smart Key System) (a) Attach the 3 clips to install the back door outside garnish. (b) Install the 4 nuts. (c) Connect the connector. 2. INSTALL BACK DOOR OUTSIDE GARNISH (w/ Smart Key Syst ...

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