Operation CHARM: Car repair manuals for everyone.

Checking Brake Fluid Level Switch Circuit






Checking brake fluid level switch circuit

Checking brake fluid level




- Start engine.
- Disconnect brake fluid level switch
Check that brake failure warning lamp goes out.

Does the warning lamp go out?

Yes - Replacing component

No - Checking for a short-circuit and replacing component

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Replacing component
Try a new brake fluid level switch.









Select "Continue" when the fault has been repaired.

Continue - Fault found

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Checking for a short-circuit and replacing component
Check cable between brake fluid level switch connector terminal 1 and combined instrument panel terminal A28 for a short-circuit to ground according to Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.
If the cable is OK: try a new combined instrument panel.









Select "Continue" when the fault has been repaired.

Continue - Fault found

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