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How To Proceed With Troubleshooting

WARNING: This page is about a different car, the 2005 Lexus RX 330. However, it is still accessible from the selected car via links, so may be relevant.
NOTE: Refer to the troubleshooting for each system when codes other than U0121/94, U0123/62, U0124/95 and U0126/63 are output.
  1. See  CHECK CAN BUS LINE  
    1. Go to next step.
  2. CHECK AND CLEAR DTCs 

    HINT:

    When checking the DTCs for the skid control ECU, proceed to PRE-CHECK .

    1. Go to next step.
  3. CHECK DTC COMBINATION TABLE (See  PRE-CHECK   ) 
    1. Go to next step.
  4. CIRCUIT INSPECTION 
    1. Go to next step.
  5. IDENTIFICATION OF PROBLEM 
    1. Go to next step.
  6. REPAIR OR REPLACE 
    1. Go to next step.
  7. CONFIRMATION TEST 
    1. END 
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