B2785 LEXUS Ignition Switch On Malfunction Immobilizer System

Possible causes

– Faulty
Ignition switch

- Faulty EFI main relay
– Ignition switch harness is open or shortec
– Ignition switch circuit poor electrical connection
– Faulty Engine Control Module (
ECM)

When is the obd code mean?

- Short circuit in IG switch circuit

- Ignition switch adheres to ON position