Inspection Procedure

WARNING: This page is about a different car, the 2007 Lexus ES 350. However, it is still accessible from the selected car via links, so may be relevant.

CHECK PART NUMBER (ECM AND BRAKE ACTUATOR ASSEMBLY)
1. Check that the proper ECM and brake actuator assembly (skid control ECU) are installed.
  OK:
  
  Proper ECUs are installed.
NG: REPLACE ECUS WITH PROPER ONES

OK: REPLACE ECM