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How To Proceed With Troubleshooting

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.

HINT:

  1. VEHICLE BROUGHT TO WORKSHOP 
  2. INSPECT BATTERY VOLTAGE 

    Standard voltage: 

    11 to 14 V 

    If the voltage is below 11V, recharge or replace the battery before proceeding to the next step.

  3. PROBLEM SYMPTOMS TABLE 

    HINT:

    (See PROBLEM SYMPTOMS TABLE  )

  4. OVERALL ANALYSIS AND TROUBLESHOOTING 
    1. (See TERMINALS OF ECU  )
    2. (See DATA LIST / ACTIVE TEST  )
    3. (See ON-VEHICLE INSPECTION  )
  5. REPAIR OR REPLACE 
  6. CONFIRMATION TEST 

    NEXT: END