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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Resistance Check

RESISTANCE
Using an ohmmeter, check resistance between both terminals of the anti-lock brake sensor.
^ Front and Rear 1280-1920 ohms
If resistance is not within range, replace the sensor.

SHORT TO GROUND
^ Using an ohmmeter, check resistance between each terminal of the anti-lock brake sensor and either vehicle ground or the sensor body.
^ If resistance is 10,000 ohms or less, replace the sensor.