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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Indicator Light Operation

Indicator Light Operation:






1. Connect battery positive to terminal A7 and negative to terminal A17.
2. Check that indicator light is lit with blower button pushed in (light should be out when blower button is in "OFF" position).
3. With RECIRC/FRESH button pushed in, check that RECIRC indicator light is lit.
4. Press RECIRC/FRESH button in again and check that indicator light goes out.
5. Press each mode button and check that indicator lights go on.
6. If operation is not as specified, replace heater control assembly.