The measurement value is OK.Test prerequisite
- Test pressure gage is connected.
Test sequence
- Run the engine for a short time and switch off again.
- Switch off ignition.
Specified value
- Pressure after 30 minutes:[> 2.5] bar
Question
- Is the measurement value OK?
YES
The measurement value is OK.Further possible causes of fault
- Test delivery of component M3 (Fuel pump).
NO
The measurement value is not OK.Possible cause and remedy
- In the event of slow pressure drop:Check component Y62 (Fuel injectors).
- In the event of rapid pressure drop:Check valve in component M3 (Fuel pump)
NO
The measurement value is not OK.Possible cause and remedy
- Test current consumption of component M3 (Fuel pump).
- Fuel filter with integrated pressure regulator
NO
Figure legend
- A -ConnectionTest cable 35-pin socket box
- 001 -Sockets of component N3/10 (ME-SFI [ME] control unit)
- 05 -35-pin socket box
- 050 -126-pin socket box
- 108 -Test cable 266 589 01 63 00
- N3/10 (ME-SFI [ME] control unit)
- II 1-63ConnectionTest cable
- III 64-126ConnectionTest cable
Warning!
- Connection A of test cable 108 may NOT be connected to connection B of the 126-pin socket box (050).
Continue to test with button F2
