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

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

Control Assembly: Testing and Inspection

STARTING DISPLAY:
- Switch ignition ON.
- Push and hold down Outside Temp button.
- Push and hold down OFF. button.
- Release Outside Temp button then OFF button.





- A vertical line in the first field (see arrow) lights up to indicate the channel number

TO SELECT A DIFFERENT CHANNEL:
- Press Warmer button to advance channel by one.
- Press Cooler button to decrease channel by one.

TO CALL UP INFORMATION ABOUT A PARTICULAR CHANNEL:
- Select desired channel.
- Press Outside Temp button.

TO LEAVE THE MEMORY DISPLAY:
- Select any A/C operating mode, or switch ignition to OFF.

For complete system testing, go to Electronic Climate Control, Testing and Inspection Procedures.