Circuit Description
WARNING: This page is about a different car, the 2003 Lexus IS 300 and 2002 Lexus IS 300. However, it is still accessible from the selected car via links, so may be relevant.
This DTC is output when communication stops between the anti-theft ECU and body ECU. See Figure.
Detecting Condition - No communication from the anti-theft ECU for more than 10 seconds.
Trouble Area
- Anti-Theft ECU.
- Wiring Harness.