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

Test A: The Speed Control Is Inoperative - Unable To Enter Self-Test

PINPOINT TEST A: THE SPEED CONTROL IS INOPERATIVE - UNABLE TO ENTER SELF-TEST


A1:






Normal Operation
The speed control actuator sends and receives signals over the standard corporate protocol (SCP) network. The speed control actuator receives voltage through circuit 601 (LB/PK) and is grounded through circuit 1205 (BK).

Possible Causes
- Speed control Actuator