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

Hot Lamp

Scan Tool Displays ON or OFF. The Hot Lamp Display indicates the PCM commanded state of the Engine Hot Lamp. The PCM commands the Engine Hot Lamp ON when the engine coolant temperature is greater than 124°C (255°F). The PCM commands the Engine Hot Lamp OFF when the engine coolant temperatures is less than 121°C (250°F).