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

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B1318-2: Check Anti-Lock Brake Module Ground For Open Circuit







- Turn ignition switch to OFF.

- Using an ohmmeter, measure resistance between breakout box pin 1 and a known good ground.

- Is resistance less than 5 ohms?

YES -- Go to B1318-3. B1318-3: Check Anti-Lock Module Power Circuit For Short

NO -- Service circuit 570 (BK/W) for open. Restore vehicle. Retest system.