Toyota 4Runner: System Diagram
SYSTEM DIAGRAM
Communication Table
|
Transmitting ECU (Transmitter) |
Receiving ECU (Receiver) |
Signal |
Line |
|---|---|---|---|
|
ECM |
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 |
LIN |
|
Power management control ECU |
Certification ECU |
ID required signal |
LIN |
|
Key existence condition signal |
CAN |
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:
Center Airbag Sensor Assembly Malfunction (B1000/31)
DESCRIPTION
The center airbag sensor assembly consists of a deceleration sensor, safing sensor,
drive circuit, diagnosis circuit, ignition control, etc.
If the center airbag sensor assembly receives signals from the deceleration sensor,
it determines whe ...
If the electronic key does not operate properly (vehicles with a smart key
system)
If communication between the electronic key and vehicle is interrupted
or the electronic key cannot be used because the battery is depleted, the smart
key system and wireless remote control cannot be used. In such cases, the doors
can be opened and ...
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