Skoda Workshop Service and Repair Manuals > Fabia Mk1 > Chassis | ABS, ADR, TCS, EDL, ESP | Electrical Test - ABS systems BOSCH 5.7

Overview of test steps

Component to be tested

Test steps in the test table → Chapter

Voltage supply for the ABS return flow pump -V39- to the ABS control unit -J104-

–	Perform test step 1

Voltage supply for the valves in the ABS hydraulic unit -N55- to the ABS control unit -J104-

–	Perform test step 2

Voltage supply (terminal 15) to the ABS control unit -J104-

–	Perform test step 3

Function of the brake light switch -F-

–	Perform test step 4

Function of the traction control system switch -E132- or TCS and ESP button -E256-

–	Perform test step 5

Checking the databus cables

–	Perform test step 6

Handbrake warning switch -F9-¹⁾

–	Perform test step 7

¹⁾ Test can only be performed on vehicles with ABS/EDL/TCS/ESP BOSCH 5.7.

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