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).
Work sequence
- Connect diagnostic tester. Refer to 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 operating conditions are sorted by the PID (parameter-identifications).
- Bank 1 = Cylinder bank 1, in direction of travel, right
- Bank 2 = Cylinder bank 2, in direction of travel, left
| PID | Display operating conditions | ||
| 02: | DTC which triggered the current reception of all control module information | ||
| 03: | Condition of the fuel system | ||
| 04: | Calculated load condition value | ||
| 05: | Coolant temperature | ||
| 06: | Short time gasoline-air ratio bank 1 | ||
| 07: | Gasoline-air ratio bank 1 | ||
| 09: | Gasoline-air ratio bank 2 | ||
| 12: | Engine rotations per minute (RPM) | ||
| 13: | Vehicle speed |
If DTCs are displayed in "PID 02":
- Repair stored malfunctions according to DTC table:
- SAE P0xxx-DTCs. Refer to SAE P0xxx-DTCs
- SAE P1xxx-DTCs. Refer to SAE P1xxx-DTCs
- SAE P2xxx-DTCs. Refer to SAE P2xxx-DTCs
- SAE P3xxx-DTCs. Refer to SAE P3xxx-DTCs
- SAE U0xxx-DTCs. Refer to SAE U0xxx-DTCs
- End diagnostic and switch ignition off.