L Series V6-3.0L VIN R (2004)
Heated Glass Element: Initial Inspection and Diagnostic Overview
Diagnostic Starting Point - Heated Glass Element
DIAGNOSTIC STARTING POINT
Begin the diagnosis with the Diagnostic System Check - Defogger.The Diagnostic System Check will provide the following information:
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The identification of the control modules which command the system
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The ability of the control modules to communicate through the serial data circuit
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The identification of any stored diagnostic trouble codes (DTCs) and their status
The use of the Diagnostic System Check will identify the correct procedure for diagnosing the system and where the procedure is located.
Diagnostic System Check - Heated Glass Element
DIAGNOSTIC SYSTEM CHECK
TEST DESCRIPTION
Steps 1-6
The number(s) below refer to the step number(s) on the diagnostic table.
2. Lack of communication may be due to a partial malfunction of the class 2 serial data circuit. The specified procedure will determine the particular
condition.
3. The symptom table will determine the correct diagnostic procedure to use.
4. The presence of DTCs which begin with "U" indicate some other module is not communicating. The specified procedure will compile all the
available information before tests are performed.
