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.

REPLACE DRIVER MONITOR ECU
1. Replace the driver monitor ECU (see REMOVAL ).
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. Based on the DTC detection conditions, try to simulate the malfunction.
4. Recheck for DTC.
OK: DTC C1A30 is not output.

NG: REPLACE DRIVING SUPPORT ECU (See REMOVAL )

OK: END