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:

Air Conditioning Control Panel does not Operate
DESCRIPTION When a switch of the air conditioning control assembly is operated, the air conditioning control assembly uses LIN communication to communicate with the air conditioning amplifier. If a switch of the air conditioning control assembly does not ...

Installing child restraints
Follow the child restraint system manufacturer’s instructions. Firmly secure the child restraints using the LATCH anchors or a seat belt. Attach the top tether strap when installing a child restraint. The lap/shoulder belt can be used if your child restr ...

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