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:
Disassembly
DISASSEMBLY
PROCEDURE
1. REMOVE FRONT UNIVERSAL JOINT SPIDER BEARING
HINT:
Use the same procedure for all front propeller shaft universal joint spider bearing.
(a) Place matchmarks on the flange yoke and sleeve yoke.
Text in Illustration
...
Open in CAN Main Wire
DESCRIPTION
There may be an open circuit in the CAN main wire and/or DLC3 branch wire when
the resistance between terminals 6 (CANH) and 14 (CANL) of the DLC3 is 69 Ω or higher.
Symptom
Trouble Area
The resistance be ...
0.0076