9-5 Sport Wagon (9600) L4-2.3L Turbo (B235) (2003)
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The pump is active continuously during ESP regulation.
Diagnostics
The control module performs a valve test every time the ignition is turned on. The valve tests are carried out simultaneously with the pump motor
tests. The valves are activated for 20 ms.
In any event, the ESP, TCS and ABS functions will be disabled and the warning lamps for ABS, brakes, central warning lamp and ESP OFF will be
turned on.
