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

A5 Check Circuit For Open







Connector:





- Using an ohmmeter connected to a known good ground, connect second lead to anti-lock brake module connector pins 13, 14, 22.

- Measure resistance.

- Is resistance 5 ohms or less?

YES -- Problem is with data communications link.

NO -- Service circuit. Restore vehicle. Retest system.