Electric Steering Lock - System Diagram

Lexus IS250 IS220d GSE20 ALE20 - STEERING COLUMN


ELECTRIC STEERING LOCK - SYSTEM DIAGRAM

Electric Steering Lock - System Diagram. STEERING COLUMN. Lexus IS250 IS220d GSE20 ALE20

Input and output signals of each ECU:
Transmitting ECU (transmitter)Receiving ECUSignalsCommunication Method
Power Source Control ECUSteering Lock ECUPower supply status (to steering lock motor)LIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Sleep available statusLIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Lock / Unlock sensor statusLIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Steering lock statusLIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Motor control statusLIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Diagnostic response statusLIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Lock / Unlock sensor malfunctionLIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Power supply malfunction
(to steering lock motor)		LIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Motor driver malfunctionLIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Lock bar (stuck) statusLIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Push start statusLIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Lock / Unlock relay drive statusLIN
Steering Lock ECU
Certification ECU
Power Source Control ECU
ID code box
Engine start control statusLIN