323000814 - K069 PARKING BRAKE FAILURE WARNING LIGHT ON

The brake fluid warning light remains on with the handbrake released.
The (negative) brake fluid level signal is sent by the sensor to the Body Computer Node which makes it available via the B-CAN to the Instrument Panel Node. The Instrument Panel Node lights up the dedicated warning light and displays the insufficient brake fluid level message; if the warning light is faulty, the appropriate message is displayed.
1BRAKE FLUID LEVEL TOP UPAll OKProblems encounteredOperation
Check that the brake fluid level is not lowTop up the brake fluid level and check that the warning light goes outEnd of diagnosis.The warning light does not go outMove on to Step 2
2CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Keep the Examiner connected and check the operation of the brake fluid level warning light in active diagnosis at the Instrument Panel Node.Move on to Step 3The warning light does not flash.Replace the instrument panel    Op. 5560B10 CONTROL PANEL - R+R
3ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
Disconnect the connector from the fluid level sensor and check that it is working properly.Move on to Step 4Brake fluid level sensor defectiveReplace the sensor.
4ELECTRICAL SYSTEM CHECKAll OKProblems encounteredOperation
Check the insulation of the sensor cable    See E4010 INSTRUMENT PANEL Move on to Step 5Cable short-circuitedRestore the correct insulation.
5CHECK USING DIAGNOSTIC EQUIPMENTAll OKProblems encounteredOperation
Check that the body computer is working properly.End of diagnosis.Body Computer defectiveReplace the Body Computer    Op. 5505A35 MAIN BODY COMPUTER/JUNCTION UNIT - R.R.