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

Component Tests and General Diagnostics

ACCELERATION TEST
1. Turn main switch on.
2. Set vehicle at speed greater than 25 mph. Ensure vehicle accelerates with switch held in "Resume/Accel" position and optional speed is maintained with switch released.

CONSTANT SPEED TEST
1. Turn main switch on.
2. Set switch to "Set/Coast" with vehicle speed over 25 mph. Ensure vehicle maintains set speed.

DECELERATION TEST
1. Turn main switch on.
2. Set vehicle at speed greater than 25 mph. Ensure vehicle decelerates with switch held in "Set/Coast" position and optional speed is maintained with switch released. During deceleration, cruise control will release when speed reaches 19 mph.