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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Brake Fluid Level Sensor/Switch: Testing and Inspection





1. Disconnect the two level switch connectors, C126 and C127.
2. Connect an ohmmeter between the two switch terminals.
3. When fluid level is above MIN level, the ohmmeter Should indicate no continuity.
4. Unscrew cap from brake fluid reservoir and allow float to fall.
5. When float is at its lowest point, the ohmmeter should indicate continuity.
6. If continuity is not as specified, replace switch.