ES 330 V6-3.3L (3MZ-FE) (2004)
The suspected circuits or parts for each problem symptom are shown in the table. Use this table to troubleshoot the problem when a "Normal" code is
displayed in the diagnostic trouble code check but the problem is still occurring. Numbers in the table indicate the inspection order in which the circuits
or parts should be checked.
HINT: When the problem is not detected by the diagnostic system even though the problem symptom is present, it is considered that the problem is
occurring outside the detection range of the diagnostic system, or that the problem is occurring in a system other than the diagnostic system.
Symptom Confirmation and Diagnostic Trouble Codes
SYMPTOM CONFIRMATION AND DIAGNOSTIC TROUBLE CODE
HINT:
-
The diagnostic system in LEXUS ES3OO has various functions. The first function is the Diagnostic Trouble Code (DTC) Check in which a
malfunction in the signal circuits to the ECU is stored in code form in the ECU memory. Another function is the Input Signal Check which checks
if the signals from various switches are sent to the ECU correctly. By using these check functions, possible areas of the problem can be narrowed