Home/Audi/A4/Audi A4 B8 (2007-2012)/Repair manual/Fuel Supply System - Engine Code(s): Caeb, Cala & Ccba (sedan)/FUEL PUMP CONTROL MODULE -J538-, CHECKING

Contents

Wiring diagrams Section: Fuel Supply System - Engine Code(s): Caeb, Cala & Ccba (sedan)

FUEL SYSTEM

TEST DRIVES WITH THE USE OF TEST AND MEASURING DEVICES

CLEAN WORKING CONDITIONS

TEST CONDITIONS

CONTACT CORROSION

FUEL TANK, DRAINING

FUEL SYSTEM, BLEEDING

LEAK DETECTION SYSTEM

FASTENER TIGHTENING SPECIFICATIONS

ELECTRIC FUEL PUMP, CHECKING

FUEL PUMP CONTROL MODULE -J538-, CHECKING

FUEL PUMP DELIVERY RATE, CHECKING - ENGINE CODE(S): CAEB & CPMA

FUEL PUMP DELIVERY RATE, CHECKING - ENGINE CODE(S): CALA, CCBA & CGXC

FUEL PUMP DELIVERY RATE, CHECKING - ENGINE CODE(S): CAUA

FUEL PUMP DELIVERY RATE, CHECKING - ENGINE CODE(S): CFSA

FUEL LEVEL SENSOR -G-, CHECKING

FUEL LEVEL SENSOR 2 -G169-, CHECKING

LEAK DETECTION TEST, PERFORMING

FUEL TANK WITH ATTACHMENTS

FUEL PUMP CONTROL MODULE -J538

FUEL DELIVERY UNIT

REMOVING

INSTALLING

FUEL LEVEL SENSOR -G

FUEL LEVEL SENSOR 2 -G169

SUCTION LINE

FUEL FILTER

EVAP CANISTER

LEAK DETECTION PUMP -V144

LEAK DETECTION PUMP -V144- AIR FILTER

ACCELERATOR PEDAL MODULE WITH ACCELERATOR PEDAL POSITION SENSOR

All sections

FUEL PUMP CONTROL MODULE -J538-, CHECKING Audi A4 B8

Fuel Supply System - Engine Code(s): Caeb, Cala & Ccba (sedan)

FUEL PUMP CONTROL MODULE -J538-, CHECKING

On vehicles with the FSI engine, the fuel pump is supplied with voltage via the Fuel Pump (FP) control module.
FP control module testing occurs in Guided Fault Finding operating mode see vehicle diagnostic tester.