1.2. Test delivery of component M3 (Fuel pump).
Figure legend
- 043Pressure gage(103 589 00 21 00)
- 055aMeasuring beaker(Min.:2 Liters)
- 055Measuring beaker
- 069Pressure hose(119 589 04 63 00)
Preparation for test
- Switch off ignition.
- Connect test pressure gauge.
- Release fuel pressure.
- Separate fuel feed hose at the fuel line and hold in a suitable measuring beaker.
- Switch on ignition.
Continue to test with button F2
Warning!Communication with ECU required.
1.3. Check power consumption of component M3 (Fuel pump) using actual value.
Warning!Communication with ECU required.
1.4. Test the cables from component N118/3 (Left fuel pump control unit) to component M3 (Fuel pump) with the plug connection M3x1
(Fuel pump connector) between the two.
Test prerequisite
- A fault has occurred during current measurement at component M3 (Fuel pump).
Test sequence
- Switch off ignition.
- Unplug 6-pin connector from component N118/3 (Left fuel pump control unit).
