FREE REPAIR MANUALS & LABOR GUIDES 1982-2013 Vehicles
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Diagnostic Mode 7: Check Test of Parts Constantly Monitored



Diagnostic mode 7: Check test results of components that are continuously monitored

Function
This diagnostic mode indicates all stored DTCs of components and systems which are continuously monitored.

Requirement
- There must not be any DTCs stored in DTC memory, Diagnostic mode 3: Check DTC memory. Diagnostic Mode 3: Check DTC Memory

Work procedure
- Connect diagnostic tester. Diagnostic Tester, Connecting
- Start engine and let run at idle.

NOTE:
Only if engine does not start:
- Operate starter for approx. 6 seconds. Do not switch ignition off afterward.
- Under address word 33, select "Diagnostic mode 7: Check test results of components that are continuously monitored".
The number of stored malfunctions or "0 malfunctions detected" is displayed.
- End diagnosis and switch ignition off.
- Repair stored malfunctions according to DTC table: P Code Charts
SAE P0xxx-DTCs,
SAE P1xxx-DTCs,
SAE P2xxx-DTCs,
SAE P3xxx-DTCs,

NOTE:
- The DTC table is sorted by SAE codes.
- "E-Gas"-relevant malfunctions are also indicated by the warning lamp for Electronic Power Control ("EPC warning lamp") in the instrument cluster.
- Erase DTC memory after repairing malfunction, Diagnostic mode 4: Reset/erase diagnostic data. Diagnostic Mode 4: Reset/Erase Diagnostic Data