Fuel Delivery Rate, Checking, Vehicles With Fuel Pump Control Module -J538-: Notes
WARNING: This page is about a different car, the 2016 Volkswagen Beetle, 2015 Volkswagen Beetle, 2014 Volkswagen Beetle, and 2013 Volkswagen Beetle. However, it is still accessible from the selected car via links, so may be relevant.
Special Tools And Workshop Equipment Required
- Trim Removal Wedge 3409
- Injection Rate Comparison Meter Kit - Remote Cable VAG 1348/3A
- Multimeter, for example Analog/Digital Multimeter FLU 83III
- Vehicle Diagnostic Tester - Test Adapter - 5 Pin VAS 5565
- Pressure Tester Kit VAS 6550
- Pressure Regulator Valve VAS 6550/4
- Vehicle Diagnostic Tester
- Measuring Container, Three Liter
NOTE:
If driving is still impaired with the fuel tank a maximum of 1 /4 full, then perform a fuel delivery test with the fuel tank only 1 /4 full or with very little fuel in the fuel tank.
Test Conditions
- Voltage supply OK. Refer to FUEL PUMPS, CHECKING FUNCTION AND POWER SUPPLY, VEHICLES WITHOUT Fuel Pump Control Module -J538- .
- Fuel pressure OK. Refer to FUEL PRESSURE, CHECKING .
- The battery voltage must be at least 11.5 V. Charge if necessary. Refer to DESCRIPTION AND OPERATION .
- Fuel Pump Control Module -J538- fuse OK. Refer to appropriate Wiring Diagram.
- Fuel Pump Control Module -J538- is OK see Vehicle Diagnostic Tester.
- Fuel Pump Relay -J17- OK see Vehicle Diagnostic Tester.
- Fuel pump fuse OK. Refer to appropriate Wiring Diagram
- Pull on the connector without pressing the release to make sure the connection is secure. Repeat the fuel pump functionality test if the connector was not connected correctly.
- Fuel level inside the fuel tank is above reserve
Test Sequence
NOTE:
Follow all safety precautions. Refer to SAFETY PRECAUTIONS .
Follow the guidelines for clean working conditions. Refer to PARKING/AUXILIARY HEATER AND FUEL SYSTEM CLEAN WORKING CONDITIONS .