Jetta L4-2.0L (AEG) (2000)
The cost of replacement catalytic converter is NOT covered by warranty.
^ Continue to Interrogating DTC memory (below).
Interrogating DTC Memory
^ Interrogate Diagnostic Trouble Code (DTC) memory (DO NOT erase DTCs).
Required Documentation
^ For Analysis and Warranty purposes, you MUST make (and store) print-outs of the DTC memory, including:
Address 01 fault memory including ECM information.
"OBD" freeze-frame modes 2 and 6.
Tip:
For OBD, see ElsaWeb, Repair Manual - Fuel Injection & Ignition 2.0 Liter 4Cyl. 2V Generic Scan Tool.
Steps for printing "OBD" from the touch screen:
^ Select "OBD".
^ Select "mode 2".
^ Select all PIDS displayed (use scroll bar if necessary).
^ Select right arrow key to display results.
^ Select ¡Èprint¡É, then save result.
^ Save results for modes 2 and 6.
^ Print self diagnosis log.
Address 01 Measuring Value Block (MVB) 46.
Tip:
The DTC codes present will need to be erased before the test will run in MVB 46.
Is DTC P0422 (Main Catalyst Efficiency Below Threshold, Bank 1) Stored?
^ Check if DTC P0422 (Main Catalyst Efficiency Below Threshold, Bank 1) is stored.
^ Check if DTCs from Table are stored.
If catalytic converter is NOT rattling and:
DTC P0422 and any DTC(s) from Table are stored:
^ Proceed to "DTCs in table are stored" (see below).
If catalytic converter is rattling and: