Toyota 4Runner: System Diagram
SYSTEM DIAGRAM
Communication Table
|
Transmitter |
Receiver |
Signal |
Line |
|---|---|---|---|
|
Heater control assembly |
Air conditioning amplifier assembly |
Defogger switch signal |
LIN |
|
Multiplex network door ECU (Back door P/W) |
Main body ECU (Multiplex network body ECU) |
Back door window position signal |
LIN |
|
Back door power window regulator motor |
Multiplex network door ECU (Back door P/W) |
Back door window position signal |
LIN |
|
Main body ECU (Multiplex network body ECU) |
Air conditioning amplifier assembly |
Back door window position signal |
CAN |
System Description
SYSTEM DESCRIPTION
1. WINDOW DEFOGGER SYSTEM DESCRIPTION
The thin heater wires of the defogger system are attached to the rear window
and defog the rear window surface quickly. The system only ope ...
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT
HINT:
Inspect the window defogger system after confirming that the back door
power window system of the power window control system is operating normally.
...
Other materials about Toyota 4Runner:
Reservoir Level Switch Disconnected (C1453,C1454)
DESCRIPTION
The brake fluid level warning switch sends the appropriate signal to the skid
control ECU when the brake fluid level drops.
DTC Code
DTC Detection Condition
Trouble Area
C1453
With th ...
Taillight Relay Circuit
DESCRIPTION
This is the power source circuit of the clearance warning ECU assembly.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection procedure.
PROCEDURE
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