23 · Diagnostics

P0100 - debimeter (beyond upper limit)

Make: Alfa Romeo
Model: Brera and Spider Factory Service Manual
Year: 2005–2010
Section: Examiner - diesel electronic management › P0100 - debimeter (beyond upper limit)

Fault diagnosisP0100 - debimeter (beyond upper limit)

P0100 - DEBIMETER (BEYOND UPPER LIMIT)

2.4 JTD 20v

The diagnostic equipment signals: Error P0100 (Flow meter), with detail "Beyond the upper limit"

This error is detected if there is a short circuit to positive in the circuit connected to Pin 42 of the junction unit for at least 0.3 secs.

0	Preliminary checks	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the engine oil level is correct Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY Check that the air intake/vacuum circuit is working properly by carrying out the test See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECK Check the condition of the fuel supply circuit and make sure that it is working properly carrying out the test See Test 1040OA FUEL SUPPLY CIRCUIT CHECK Check the operation of the low pressure supply circuit by carrying out the test See Test 1060OB CHECK ON SUPPLY LOW PRESSURE FUEL CIRCUIT	Move on to Step 1	Oil level incorrect	Restore the correct engine oil level Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY
1	Flow meter operation check	ALL OK	PROBLEMS ENCOUNTERED	ACTION
	Check that the flow meter is working properly by carrying out the test See Test 1060GG MEASURED AIR MASS CHECK	End of diagnosis

Preliminary checks

ALL OK

PROBLEMS ENCOUNTERED

ACTION

Check that the engine oil level is correct

Check that the air intake/vacuum circuit is working properly by carrying out the test

Check the condition of the fuel supply circuit and make sure that it is working properly carrying out the test

Check the operation of the low pressure supply circuit by carrying out the test