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cylinders and function of valves) can be checked via the final control diagnosis for interchange or leaks. Example: Indicated on V.A.G 1551 display during final control diagnosis: (e.g. front left wheel, FL) FRONT LEFT WHEEL IFL = Inlet valve Front Left VBAT = Voltage Battery; Voltage at valve OFL = Outlet valve Front Left 0V = 0 Volt; No voltage at valve Locked/free = Wheel condition; must be checked by 2nd mechanic if required WHEEL CONDITION Hydr-P = Hydraulic pump z Connect V.A.G 1551 scan tool. z Switch ignition on. z Press key -1- for "Rapid data transfer" operating mode. z Select brake electronics control module (address word 03); see LIST OF SELECTABLE NOTE: z The vehicle must be raised until all wheels are free to turn. (2nd mechanic z The -C- key can be used to exit the test sequence at any time. z After depressing the brake pedal several times the vacuum in the brake z When vacuum in brake booster is exhausted it can happen that the wheels Final control diagnosis - -> Final control diagnosis - ->
2003 Volkswagen New Beetle GLS 1998-2004 BRAKES On Board Diagnostic (OBD) - New Beetle
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