Inspection Procedure

WARNING: This page is about a different car, the 2008 Lexus LS 600hL. However, it is still accessible from the selected car via links, so may be relevant.

CHECK FOR DTC
1. Using the Intelligent tester or Techstream, enter the following menus:
  1. Intelligent tester - Select. DIAGNOSIS / OBD/MOBD / PRE-COLLISION 2 / DTC INFO.
  2. Techstream - Select Body Electrical / Pre-Collision 2 / Trouble Code.
2. Select "CLEAR" and clear the data
3. Recheck for DTC.
OK: DTC C1A01 is not output.

NG: REPLACE DRIVING SUPPORT ECU (See REMOVAL )

OK: USE SIMULATION METHOD TO CHECK (See HOW TO PROCEED WITH TROUBLESHOOTING )