OpenLegislation

Division 1.1

United Kingdom

Original text. Later amendments are not shown.

For the purposes of this Annex, the following definitions and abbreviations apply:

  1. (1)

    ‘diagnostic trouble code (“DTC”)’ means a numeric or alphanumeric identifier which identifies or labels a NCM and/ PCM;

  2. (2)

    ‘confirmed and active DTC’ means a DTC that is stored during the time the NCD and/or PCD system concludes that a malfunction exists;

  3. (3)

    ‘NCD engine family’ means a manufacturer's grouping of engines having common methods of monitoring/diagnosing NCMs;

  4. (4)

    ‘NOx Control Diagnostic system (NCD)’ means a system on-board the engine which has the capability of

    1. (a)

      detecting a NOx Control Malfunction,

    2. (b)

      identifying the likely cause of NOx control malfunctions by means of information stored in computer memory and/or communicating that information off-board;

  5. (5)

    ‘NOx Control Malfunction (NCM)’ means an attempt to tamper with the NOx control system of an engine or a malfunction affecting that system that might be due to tampering, that is considered by this Regulation as requiring the activation of a warning or an inducement system once detected;

  6. (6)

    ‘Particulate Control Diagnostic system (PCD)’ means a system on-board the engine which has a capability of:

    1. (a)

      detecting a Particulate Control Malfunction,

    2. (b)

      identifying the likely cause of particulate control malfunctions by means of information stored in computer memory and/or communicating that information off-board;

  7. (7)

    ‘Particulate Control Malfunction (PCM)’ means an attempt to tamper with the particulate after-treatment system of an engine or a malfunction affecting the particulate after-treatment system that might be due to tampering, that is considered by this Regulation as requiring the activation of a warning once detected;

  8. (8)

    ‘PCD engine family’ means a manufacturer's grouping of engines having common methods of monitoring/diagnosing PCMs;

  9. (9)

    ‘Scan-tool’ means an external test equipment used for off-board communication with the NCD and/or PCD system.