Diagnostic Mode 2: Check Operating Conditions

Diagnostic Mode 2: Check Operating Conditions

Function
This diagnostic mode displays the operating conditions at which an emission-relevant malfunction was detected and stored by the Engine Control Module (ECM) or Transmission Control Module (TCM).

Work procedure
- Connect diagnostic tester. Diagnostic Tester, Connecting
- Depending on desired operating condition: switch on ignition or start engine and let run at idle.
- Under address word 33, select "Diagnostic mode 2: Check operating conditions."
- Select desired operating condition "PID XX".

NOTE:
- The following list only serves as an overview.
- The measuring values are sorted according to the PID (parameter-identifications).







- End diagnosis and switch ignition off.

Vehicles with engine code AEG

If DTCs are displayed in "PID 02":
- Repair stored malfunctions according to DTC table: P Code Charts
- SAE P0xxx-DTCs.
- SAE P1xxx-DTCs.
- SAE P2xxx-DTCs.
- SAE P3xxx-DTCs.
- SAE U0xxx-DTCs.

NOTE:
- The DTC table is sorted by SAE code.
- "Emission"-relevant malfunctions are indicated in the instrument cluster via the exhaust Malfunction Indicator Lamp (MIL).
- Erase DTC memory after repairing malfunction. Diagnostic mode 4: Reset/erase diagnostic data. Diagnostic Mode 4: Reset/Erase Diagnostic Data