buick Workshop Repair Guides

Buick Workshop Service and Repair Manuals

Initial Inspection and Diagnostic Overview|Page 17894 > < Initial Inspection and Diagnostic Overview|Page 17892
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Step 13

The number below refers to the step number on the diagnostic table.
4. Listen for an audible click when the RR defog relay operates. Command both the ON and OFF states of the RR defog relay. Repeat the commands

as necessary.

Initial Inspection and Diagnostic Overview|Page 17894 > < Initial Inspection and Diagnostic Overview|Page 17892