Operation CHARM: Car repair manuals for everyone.

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).

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).
- 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: P Code Charts
SAE P0xxx-DTCs.
SAE P1xxx-DTCs.
SAE P2xxx-DTCs.
SAE P3xxx-DTCs.
SAE U0xxx-DTCs.

- End diagnostic and switch ignition off.