SYSTEM DIAGRAM
Communication Table
|
Sender |
Receiver |
Signal |
Communication Line |
|---|---|---|---|
|
A/C amplifier |
ECM |
Magnetic clutch request signal*1 |
CAN |
|
Idle up request signal |
|||
|
External variable control solenoid current signal |
|||
|
Cooling fan motor driving request signal |
|||
|
Refrigerant gas pressure sensor signal |
|||
|
Ambient temperature signal |
|||
|
A/C amplifier |
Air conditioning control assembly |
Panel indication signal |
LIN |
|
MODE indication signal |
|||
|
Blower level indication signal |
|||
|
Set temperature indication signal |
|||
|
Combination meter |
A/C amplifier |
Vehicle speed signal |
CAN |
|
ECM |
A/C amplifier |
Engine revolution speed signal |
CAN |
|
Engine coolant temperature signal |
|||
|
A/C control cut signal |
|||
|
Air conditioning control assembly |
A/C amplifier |
AUTO switch signal |
LIN |
|
OFF switch signal |
|||
|
A/C switch signal |
|||
|
Fr DEF switch signal |
|||
|
Rr DEF switch signal |
|||
|
MODE switch signal |
|||
|
REC/FRS switch signal |
|||
|
SYNC switch signal |
|||
|
Blower switch signal (FAN+, FAN-) |
|||
|
Set temperature switch signal (UP, DOWN) |
Parts Location
System DescriptionHeadlight Relay Circuit
DESCRIPTION
The main body ECU (driver side junction block assembly) controls the headlight
relays.
WIRING DIAGRAM
CAUTION / NOTICE / HINT
NOTICE:
Inspect the fuses for circuits related to this system before performing the following
inspection proc ...
Fuel Pump Control Circuit
DESCRIPTION
1. w/o Smart Key System
When the engine is cranked, the starter relay drive signal output from the ignition
switch is input into the STA terminal of the ECM, and the NE signal generated by
the crankshaft position sensor is also input into the ...
Uniform Tire Quality Grading
This information has been prepared in accordance with regulations issued by the
National Highway Traffic Safety Administration of the U.S. Department of Transportation.
It provides the purchasers and/or prospective purchasers of Toyota vehicles with
infor ...