Checking the Brake Fluid Level Sensor

Checking the brake fluid level sensor

Checking the cable and parking brake switch




- Ignition off
- Check the function of the brake fluid level switch. Take readings between brake fluid level switch terminals #1 and #2.
In the event of low fluid level the voltage must be 0 V. In the event of full fluid level the voltage should be 12 V.
Check and remedy the wiring between driver information module (DIM) terminal #6 and brake fluid level switch terminal #1. Check for a short-circuit to ground. See Checking wiring and terminals. Permanent fault Checking Wiring and Terminals. Permanent Fault.

Other information:
- Connecting the breakout box Connecting the Breakout Box.

Were any faults found?

Yes - Verification

No - No Fault Found

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Verification




Verification

Hint: After the repair it is necessary to check that the fault has been rectified.








- Ignition off.
- Connect the connectors, install the components, etc.
- Fill brake fluid to maximum level.
- Ignition on.
Brake fluid lamp should not be on.

Does fault still exist?

Yes - Fault-tracing information

No - Verification complete

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Fault-tracing information




Information

Fault-tracing information
The fault should have been detected and remedied. As this is not the case fault-tracing has failed.
Exit fault-tracing for this diagnostic trouble code (DTC) or make another attempt.

Do you want to exit fault-tracing?

Yes - Exit Fault-Tracing

No - Attempt New Test

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Attempt New Test - Checking the cable and parking brake switch

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