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.
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Other materials about Toyota 4Runner:
Precaution
PRECAUTION
1. IGNITION SWITCH EXPRESSION
HINT:
The type of ignition switch used on this model differs according to the specifications
of the vehicle. The expressions listed in the table below are used in this section.
Expression
Ign ...
PTC Heater Circuit
DESCRIPTION
PTC heater relays are closed in accordance with signals from the air conditioning
amplifier assembly and power is supplied to the quick heater assembly installed
on the radiator heater unit.
WIRING DIAGRAM
PROCEDURE
1.
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