Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

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Heated Glass Control Module: Testing and Inspection




INSPECT DEFOGGER TIMER OPERATION
a. Connect the positive (+) lead from the battery to terminals 1, 7 and negative (-) lead to terminal 9.
b. Connect the positive (+) lead from the battery to terminal 4 through a 1.4 W test bulb.
c. Push the defogger switch ON, and check that the test bulb and indicator light up for 12 to 18 minutes, then the indicator light go out.
If operation is not as specified, replace the inner printed circuit board.