Bosch 5.3 ABS EBCM Pump Module Fault Repair
Possible Problems
- Diagnostic communications with the ABS not possible
If you are having issues with your Bosch 5.3 ABS unit, then we can help with a quick and cost-efficient repair. Just book online here, or give us a call on 0116 276 7054, email us at [email protected] or if you are local to us come into our shop in Leicester and talk to one of our experienced engineers.
BOSCH ABS 5.3 – System Overview |
The ABS 5.3 system, fitted to a large number of Rover and MG models. It is a very common system also seen in a number of other models. Being about as common and basic an ABS system as is possible to find, It has been around for a relatively long time. |
SM080 – BOSCH ABS 5.3 – System Help file |
Version 1.22 |
BOSCH ABS 5.3 – Known Fitments | ||||||||||||||||||||||||||||||||||||||||||||||||
Vehicle makes, models and variants known or believed to be using this vehicle system, required diagnostic lead and degree of known compatibility.
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BOSCH ABS 5.3 – Physical Details |
BOSCH ABS 5.3 – Pin Outs | ||||||||||||||||||||||||||||||||||||||||||||||||||||
Details of the pin usage for the ECU connector(s).
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SM080 – BOSCH ABS 5.3 – Diagnostic Capabilities (Read Fault Codes) |
Reads the fault code memory. The system can self detect up to 24 different problems with itself and associated sensors, storing the respective code if it detects any malfunction or reading outside of pre defined acceptable limits. Not all stored faults may cause the fault warning lamp to illuminate. |
SM080 – BOSCH ABS 5.3 – Diagnostic Capabilities (Clear Fault Codes) |
Clears the fault code memory. |
SM080 – BOSCH ABS 5.3 – Diagnostic Capabilities (Settings) |
Values, configuration settings and other stored information which can be read from the ECU, edited and then rewritten back. Read settings can also be stored as a standard HTML page for reference. These pages can then later be re loaded and re written back to the ECU. Please note that some values may be read only due to the fact that they are supplied from the ECU’s ROM or are internally calculated.
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SM080 – BOSCH ABS 5.3 – Diagnostic Capabilities (Inputs) |
Constantly updating display in HTML of real time information the electronic control unit of the selected vehicle system is currently deriving from its input sensors and switches. These displays can be saved as HTML snap shots, recorded as an AVI movie or captured as A CSV data file for import into a spread sheet program such as Excel.
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SM080 – BOSCH ABS 5.3 – Diagnostic Capabilities (Outputs) |
Choice of outputs that can be tested. The outputs would be pulsed.
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SM080 – BOSCH ABS 5.3 – Diagnostic Capabilities (Other) |
Choice of functions that can be performed.
Bleeding – New pumps valve block assemblies need to be pre-charge bled before bleeding any other corner. This is achieved using the precharge bleed via front left button which initiates a sequence. Before initiating the sequence using the button the front left wheel bleed nipple requires to be open and during the bleeding sequence which takes 30 seconds the operator should not press the brake pedal. At the end of the sequence the user will be prompted to close the bleed nipple.
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