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Self-Diagnostic System: Notes

When vehicle is started, ABS system runs a self check on the following:

Voltage (9-19 volts).
Pump (operation, voltage supply and voltage feedback).
System (external RFI, system open or short, solenoid valve and valve driver).
Internal circuits.
Communication circuits.

Any faults will set a code, ABS warning light will illuminate and ABS will not operate.