Generating diagnostic trouble codes

Diagnostic Trouble Codes are generated when the above fault criteria are fulfilled and the dependants are OK.
In Test 2 (warm start) intake air temperature should also not have been lower than 5 °C.

P0441 , P1441 are generated if faults are reported during Phase A

P0455 , P1455 are generated if faults are reported during Phase B

P0442 , P1442 are generated if faults are reported during Phase C