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:
All Doors LOCK/UNLOCK Functions do not Operate Via Master Switch, Driver Side
Door Key Cylinder
DESCRIPTION
The main body ECU (multiplex network body ECU) receives switch signals from the
multiplex network master switch, and key-linked switch signals from the front door
lock. The main body ECU (multiplex network body ECU) activates the door lock mot ...
Data List / Active Test
DATA LIST / ACTIVE TEST
1. DATA LIST
HINT:
Using the Techstream to read the Data List allows the values or states of switches,
sensors, actuators and other items to be read without removing any parts. This non-intrusive
inspection can be very useful bec ...
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