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:
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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