SYSTEM DIAGRAM
Communication Table
|
Transmitting ECU |
Receiving ECU |
Signal |
Communication Method |
|---|---|---|---|
|
Air Conditioning Control Assembly |
Air Conditioning Amplifier Assembly |
Rear window defogger switch signal |
LIN |
System Description
How To Proceed With TroubleshootingTerminals Of Ecu
TERMINALS OF ECU
1. CHECK POWER BACK DOOR ECU (POWER BACK DOOR MOTOR UNIT)
(a) Disconnect the L20 ECU connector.
(b) Measure the voltage and resistance according to the value(s) in the table
below.
Tester Connection
Wiring Color
...
Wireless-linked Return Function does not Operate
DESCRIPTION
When a door is unlocked using the wireless unlock function or entry unlock function,
the certification ECU (smart key ECU assembly) sends a door unlock signal and key
ID signal to the main body ECU (driver side junction block assembly). When t ...
Evaporator Temperature Sensor Circuit (B1413/13)
DESCRIPTION
The evaporator temperature sensor is installed on the evaporator in the air conditioning
unit to detect the cooled air temperature that has passed through the evaporator
and to control the air conditioning. It sends appropriate signals to the ...