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)

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Antilock Brakes / Traction Control Systems: Description and Operation

ANTI-LOCK CONTROL-(4WABS)
The anti-lock control system consists of the following components:
^ hydraulic control unit (HCU)
^ anti-lock brake control module
^ rear anti-lock brake sensor
^ rear anti-lock brake sensor indicator
^ front anti-lock brake sensor
^ front anti-lock brake sensor indicator
^ yellow ABS warning indicator
^ red brake warning indicator