Toyota 4Runner manuals

Toyota 4Runner: System Diagram

SYSTEM DIAGRAM

Communication Table

Transmitter

Receiver

Signal

Communication Line

Air conditioning amplifier assembly

ECM

A/C idle up request signal

CAN

Heater idle up request signal

PTC heater control request signal*

Electricity load at low voltage state signal

Ambient temperature signal

Main body ECU

Air conditioning amplifier assembly

Main body request signal

Combination meter assembly

Air conditioning amplifier assembly

Vehicle speed signal

ECM

Air conditioning amplifier assembly

Engine coolant temperature signal

Engine speed data

Engine type information signal

Heater control assembly

Air conditioning amplifier assembly

AUTO operation switch signal

LIN

OFF operation switch signal

A/C switch signal

Front defroster operation switch signal

Rear defogger operation switch signal

Mode operation switch signal

REC/FRS switch signal

Set temperature switch signal

Blower operation switch signal (up, down)

  • *: w/ PTC Heater
System Description
SYSTEM DESCRIPTION 1. GENERAL (a) The air conditioning system has the following controls. Control Outline Neural Network Control This control is ca ...

How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the air conditioning system. *: Use the Techstream. PROCEDURE 1. VEHICLE BROUGHT TO W ...

Other materials about Toyota 4Runner:

Reassembly
REASSEMBLY PROCEDURE 1. INSTALL FOG LIGHT COVER LH (a) Attach the 5 claws to install the fog light cover LH. (b) Install the outside moulding retainer. 2. INSTALL FOG LIGHT COVER RH HINT: Use the same procedure as for the LH side. 3. INSTALL FOG LIGHT ...

Playing MP3 and WMA discs
Type A Type B and C Loading and ejecting MP3 and WMA discs Selecting MP3 and WMA discs (type C only) Selecting and scanning a folder Selecting folders one at a time Press “∧” or “∨” on to select the desired folder. Scanning the firs ...

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