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:
Removal
REMOVAL
PROCEDURE
1. DISCONNECT CABLE FROM NEGATIVE BATTERY TERMINAL
CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-)
battery terminal to disable the SRS system.
NOTICE:
When disconnecting the cable, some systems ne ...
Front passenger occupant classification system
Your vehicle is equipped with a front passenger occupant classification
system. This system detects the conditions of the front passenger seat and
activates or deactivates the devices for the front passenger.
1. SRS warning light
2. Front passenger’ ...
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