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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Test F

PINPOINT TEST F: THE HEATED EXTERIOR MIRROR DOES NOT DEFROST - LEFT HEATED EXTERIOR MIRROR


Test F1-F2:






Normal Operation
Under normal operation when the rear window defrost is ON the heated exterior mirror receives power from the heated grid relay through circuit 59 (DG/VT) and ground through circuit 1205 (BK).

Possible Causes
- Open in circuits 1205 (BK) or 59 (DG/VT).
- Damaged exterior mirror glass.