Check DTC Memory: Procedure
- Connect diagnostic tester. See CONNECT DIAGNOSTIC TESTER .
- Start engine and let run at idle.NOTE: If the engine does not start up, crank engine using starter for at least 5 seconds, do not switch off ignition afterward under any circumstances.
- In diagnostic function "33 - OBD", select "Mode 3: Check DTC memory."
The number of stored malfunctions or "0 malfunctions detected" is displayed.
NOTE:
- The DTC tables are sorted by SAE code.
- Stored malfunctions of Engine Control Module (ECM) are displayed under "10 - Engine electronics" and stored malfunctions of Transmission Control Module (TCM) are displayed under "1A - Transmission electronics".
- In addition, "emission"-relevant malfunctions are indicated in the instrument cluster via the Malfunction Indicator Lamp (MIL) -K83-.
- EPC relevant malfunctions are also indicated by the Electronic Power Control (EPC) Warning Lamp -K132- in the instrument cluster.
- In "Mode 2: Check operating conditions", it can be determined at which operating condition the Engine Control Module detected and stored a malfunction. See MODE 2: CHECKING OPERATING CONDITIONS .
INDICATION EXAMPLE CHART (MODE 3)
| Indication example | Explanation |
|---|---|
| P0444 | SAE Diagnostic Trouble Code (DTC) |
| EVAP canister purge regulator valve -N80- | malfunctioning wiring path or malfunctioning component |
| Interruption | Malfunction type as text |
- Repair stored malfunction(s) according to DTC table:
- SAE P0xxx-DTCs. See SAE P0xxx-DTCs .
- SAE P1xxx-DTCs. See SAE P1XXX-DTCS .
- SAE P2xxx-DTCs. See SAE P2XXX-DTCS .
- SAE P3xxx-DTCs. See SAE P3XXX-DTCS .