Kia Optima: Description

BCM, SJB(Smart Junction Box) and CLU(Instrument Cluster) are connected by CAN line.
The nearest module with input switch or actuator receives the input data to reduce the wiring and then send input data to the others which need them via CAN lines.In case of sending output, it is used to CAN communication, not wiring.
SJB can also control relays and IPS.So Each module allots the current data and actuation data.

FunctionDescription
The Electronic Throttle Control (ETC) System consists of
a throttle body with an integrated control motor and throttle position sensor
(TPS). Instead of the traditional throttle cable, an Accele ...
Removal
1.
If the compressor is marginally
operable, run the engine at idle speed, and let the air conditioning work
for a few minutes, then shut the engine off.
2.
Disconnec ...
Recommended SAE viscosity
number
CAUTION
Always be sure to clean the area
around any filler plug, drain plug, or
dipstick before checking or draining
any lubricant. This is especially
important in dusty or sandy areas
and ...