Beetle L4-1.9L DSL Turbo (ALH) (1998)
Read measuring value block 10 ->
830 mg/H 1027 mbar 1850 mbar 100 %
If specification not obtained
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Replace Mass Air Flow Sensor -G70-
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Display the Readiness code. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles
and Readiness Codes
If DTC memory was erased
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Set the Readiness code. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and
Readiness Codes
If 550 mg/H is constantly displayed in zone 1.
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Press -> button.
Display will appear as shown
Rapid data transfer
HELP
Select function XX
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Press 0 and 6 buttons to select Function 06: "End output".
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Press Q button to enter input.
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Switch OFF ignition.
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Disconnect -G70- harness connector.
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Switch ON ignition.
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Switch multimeter to 20 Volt range.
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Measure -G70- voltage supply between the following connector terminals:
Terminal: -G70- Specification
2 + Ground
App. battery Voltage
2 + 3
App. battery Voltage
4 + Ground
Approx. 5 Volts
4 + 3
Approx. 5 Volts
If specifications not obtained
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Switch OFF ignition.