Monitor-ID $21: Catalyst Bank 1
-- Connect the scan tool.
-- Start the engine and run at idle.
-- Select "Diagnostic Mode 06: Check / test the results of components that are not continuously monitored".
Select "Monitor-ID $21".
-- Select the desired "Test-ID".
-- Check specified values at idle.
| Test-ID | DTC | Component or System | Min. | Max. | Additional Information |
|---|---|---|---|---|---|
| $84 | P0420 | Oxygen Storage. | 100.0% | 655.0% | Refer to DTC P0420 in the DTC summary table.Engine Control Module --, 2020 MY => P0420 |
-- If any of the components or systems fail to meet the specified values, refer to Diagnostic Mode 03: Interrogating Fault Memory to check for stored DTCs or the corresponding diagnostic repair procedure DIAGNOSTIC MODE 03 - READ DTC MEMORY .
-- Switch the ignition off.