IMMOBILIZER SYSTEM 11A-13
Immobilizer control unit (ICU);
Mechanical Control Engine (4JA1-T)
Immobilizer control unit (ICU) permits engine starting,
when the security code which compares the securit
y
code registered into the transponder (key) and the
security code registered into ICU, and is similarl
y
registered into ICU and engine immobilizer unit (DDS-1)
is compared and it is judged that it is normal. When the
code registered into the key is unusual, and when not
recognizing a security code, engine immobilizer unit
does not permit starting of engine by the fuel cut valve
on the fuel pump.
The engine immobilizer unit is located with fuel cut
valve on fuel pump 4JA1-T engine.
The immobilizer control unit decides whether there is an
abnormality the security code based on the engine
immobilizer unit security code.
When the problem found, the engine immobilizer unit
stops fuel fupply by the fuel cut valve.
RAW4B0SF000101
