Diagnostic Mode 2: Checking Operating Conditions

Diagnostic Mode 2: Checking 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 procedure
- Connect diagnostic tester. Diagnostic Tester, Connecting
- Depending on the 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 the desired operating condition "PID XX".

NOTE: The operating conditions are sorted by the PID (parameter-identifications).

PID Display operating conditions
02: DTC which triggered the current reception of all control module information
- Only for vehicles with engine code AEG
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
12: Engine rotations per minute (RPM)
13: Vehicle speed

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,

Continuation for all vehicles
- End diagnosis and switch ignition off.