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:

Jam Protection Function does not Operate
DESCRIPTION This problem may occur in all door windows. The jam protection function operates within a specified range during the manual up or auto up operation. PROCEDURE 1. PERFORM INITIALIZATION (a) ...

Airbag Signal Malfunction/Not Input (B15C4)
DESCRIPTION If the DCM (Telematics Transceiver) detects an error in the communication between the DCM (Telematics Transceiver) and center airbag sensor assembly as a result of the DCM (Telematics Transceiver) self check, this DTC will be set. ...

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