New Beetle L4-2.0L (AZG) (2003)
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Fuel Gauge: Service and Repair
Fuel gauge, checking (adaptation)
If the fuel gauge displays the contents of the fuel tank as being too high or too low, the fuel gauge needle position can be corrected (adapted).
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Perform Output Diagnostic Test Mode (DTM) for instrument cluster. Refer to "Output Diagnostic Test Mode (DTM) (Function 03)/Scan Tool
Testing", See: Testing and Inspection/Scan Tool Testing and Procedures/Output Diagnostic Test Mode (DTM) (Function 03)
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Check function of fuel gauge sender if Output Diagnostic Test Mode (DTM) does not indicate a malfunction.
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Check resistance value of fuel gauge sender in measuring value block. Refer to "Reading/Measuring Value Blocks/Scan Tool Testing", See:
Testing and Inspection/Scan Tool Testing and Procedures/Measuring Value Blocks (Function 08)
If measuring value block does not indicate a short circuit or open circuit in the wiring or the fuel gauge sender, continue checks:
Special tools, testers, measuring units and auxiliary items required
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Fuel extraction unit VAG 1433 A (or local equivalent)
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Switch off ignition.
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Drain fuel tank completely (VAG 1433 A), then fill with 7 liters (1.84 gal) of fuel (ensure ignition is OFF).
NOTE:
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Wait a minimum of 1 minute before proceeding with adaptation in order to ensure a stable fuel level for adaptation purposes.
WARNING!
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Fire hazard. DO NOT smoke or work near heaters or have anything in the area that can ignite fuel.
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Always drain fuel from fuel tank using an approved fuel cart.
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Wear fuel-resistant gloves whenever working with open parts of the fuel system.
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Connect VAG 1551 Scan Tool (ST), select 1 "Rapid Data Transfer", switch on ignition, input address word 17 "Instrument cluster".
Indicated on display:
Rapid data transfer
Q
17 instrument cluster
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Press -Q- button to confirm input.
Indicated on display (example only):
1C0920901C A4-COMBI INSTR.VDO V04
->
Coding 00000 WSC 00000
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Press -Q- button to confirm input.
Indicated on display:
