199002581 - P0101 Air flow meter signal

This error is detected if the sensor signal at Pin 42 of the electronic control module is affected by interference (with beyond the upper limit detail) or if there is short circuit to earth/positive or a break in the circuit connected to Pin 42 of the junction unit (with general electrical fault detail).
Test results
0PRELIMINARY CHECKSAll OKProblems encounteredOperation
Check that the error detail is not beyond the upper limitMove on to Step 3The detail is below the upper limitMove on to Step 1
1FUEL SYSTEM CHECKAll OKProblems encounteredOperation
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    See Test 1048OA AIR INTAKE/VACUUM CIRCUIT CHECKCheck the condition of the fuel supply circuit and make sure that it is working properly carrying out the    See Test 1040OA FUEL SUPPLY CIRCUIT CHECKCheck the operation of the low pressure supply circuit by carrying out the    See Test 1060OB LOW FUEL DELIVERY PRESSURE CIRCUIT CHECKMove on to Step 2Oil level incorrectRestore the correct engine oil level    Op. 0010T11 ENGINE OIL - CHECK LEVEL AND TOP UP, IF NECESSARY
2BATTERY VOLTAGE CHECKAll OKProblems encounteredOperation
Check the battery voltage carrying out the    See Test 5530BB BATTERY VOLTAGE CHECKMove on to Step 3--
3FLOW METER OPERATION CHECKAll OKProblems encounteredOperation
Check that the flow meter is working properly by carrying out the    See Test 1060GG CHECK MEASURED AIR MASSEnd of diagnosis--