Fault-Tracing Information

Fault-tracing

Checking the connectors
Check the fuel pressure sensor's connector and connections for contact resistance and oxidation.
Remedy as necessary.

Other information
- Checking wiring and terminals Checking Wiring and Terminals. Permanent Faults









Continue - Verification

-------------------------------------------------

Fault-tracing information

Attempt New Test - Checking the connectors

-------------------------------------------------

Verification




Verification

Hint: After carrying out the repair, check that the fault has been remedied.








- Ignition off
- Reinstall the connectors, components etc.
- Engine idling.
Read off the signal from the fuel pressure sensor.
Check that the signal is reasonable. Normal value is 480 ± 5 kPa at idle.
Read off the signal from the fuel pressure sensor when the ignition is on and check that the fuel pressure has dropped. Normally, the pressure shall drop by approx. 100 kPa from the value at idle.

Note! The signal indicates absolute pressure.





Is the signal reasonable?

Yes - VERIFIED

No - VERIFICATION FAILED

------------------------

VERIFICATION FAILED - Fault-tracing information

VERIFIED - FAULT FOUND

-------------------------------------------------