Diagnostic Mode 05 - Read Oxygen Sensor Monitoring Test Results

Diagnostic Modes

The information provided in Modes 01 through 09 displays the various levels of emission related data that may be monitored, as well as the ability to retrieve and read stored DTC trouble codes , erase stored DTC trouble codes, generate readiness codes, and select the various PIDs and OBDMIDs used within the modes to monitor the engine, and emission related component parameters.

The following table provides a link to all diagnostic modes that monitor all components and systems which influence the emission quality.

• Depending on scan tool and protocol used, the information displayed may be referred to by different names such as OBDMID (TID), Hex-ID, Component-ID (CID), On-Board Diagnostic Monitor Identifier (OBDMID), or contain no name at all and be referenced by only a number.

Diagnostic Mode 05 - Read Oxygen Sensor Monitoring Test Results

• Mode 05 may not be supported on all systems. On systems where Diagnostic Mode 05 is not supported, refer to Diagnostic Mode 6 for Oxygen Sensor Monitoring Test Results.

Diagnostic Mode 05 allows access to the Oxygen Sensor test results. Mode 05 is divided into test identifiers (TIDS).

The values of the individual test results must reach the specified value or must be within the min. and max. limits.

Depending on scan tool and protocol used, the information displayed in diagnostic mode 05 may be referred to by different names such as Test-ID (TID), Hex-ID, Component-ID (CID), On-Board Diagnostic Monitor Identifier (OBDMID), or contain no name at all and be referenced by only a number.

Test requirements

• Exhaust system must be properly sealed between the catalytic converter and the cylinder heads.

• No DTCs stored in the DTC memory.

• Coolant temperature at least 80° C.

Work procedure

- Connect the scan tool.

- Start the engine and run at idle.

• If the engine does not start, crank the engine using starter for at least 5 seconds, do not switch the ignition off afterward under any circumstances.

- Select "Mode 5: Check lambda test results.".

- Select the desired "Test-ID" of the component or system that is to be monitored, e.g. "Test-ID 08: Oxygen Sensor Monitor Bank 1 - Sensor 1".

- Select the desired "Test-ID".

The current minimum and maximum values will be displayed on the scan tool screen.

The following table is a numerical list of all"Test-IDs" or " Hex-IDs" that may be selected.





"Test A": Test results for Oxygen Sensor Monitor Bank 1 - Sensor 1

- Connect the scan tool.

- Start the engine and run at idle.

- Select "Mode 5: Check lambda test results".

Select "Test A".

- Select the desired "Test-ID (TID)" or "Hex-ID ".

- Check specified values at idle.





- If any of components or systems fail to meet the specified values. Refer to Diagnostic "Mode 03: Interrogating Fault Memory" to check for stored DTC's or the corresponding diagnostic repair procedure => [ Diagnostic Mode 03 - Read DTC Memory ] Diagnostic Mode 03 - Read DTC Memory.

- Switch the ignition off.

- End of diagnosis.

"Test B": Test results for Oxygen Sensor Monitor Bank 1- Sensor 2

- Connect the scan tool.

- Start the engine and run at idle.

- Select "Mode 5: Check lambda test results".

Select "Test B".

- Select the desired "Test-ID (TID)" or "Hex-ID ".

- Check specified values at idle.





- If any of components or systems fail to meet the specified values. Refer to Diagnostic "Mode 03: Interrogating Fault Memory" to check for stored DTC's or the corresponding diagnostic repair procedure => [ Diagnostic Mode 03 - Read DTC Memory ] Diagnostic Mode 03 - Read DTC Memory.

- Switch the ignition off.

- End of diagnosis.