Diagnostic mode 5: Check output of oxygen sensor signals: Notes
NOTE:
This diagnostic mode can only be selected with Module number 10 - Engine Electronics.
Function
The static values of the oxygen sensors are indicated via this diagnostic mode.
The values of the individual outputs of oxygen sensor signals must reach the specified value or must be within the min.- and max.- limits.
Requirements
- Exhaust system must be properly sealed between catalytic converters and cylinder heads.
- There must not be any DTCs stored in DTC memory. Refer to Diagnostic mode 3: Check DTC Memory , Diagnostic mode 3: Check DTC memory.
- Coolant temperature must be at least 80 ° C. Refer to Diagnostic mode 1: Check measured values , Diagnostic mode 1: Check measured values; PID 05, Coolant temperature.
Work procedure
- Connect diagnostic tester. Refer to Diagnostic tester, connecting .
- Start engine and let run at idle.
- Under address word 33, select "Diagnostic mode 5: Check output of oxygen sensor signals".
- Select the desired output of oxygen sensor signals "Test-ID XX".
NOTE:
- Bank 1 = Cylinder bank 1, in direction of travel, right.
- Bank 2 = Cylinder bank 2, in direction of travel, left
- When selecting the diagnostic mode, the entry is always performed in "Bank 1 sensor 1".
- If the Vehicle Diagnostic, Testing and Information System VAS 5051 or the Vehicle Diagnostic and Information System VAS 5052 is used for checking the outputs of oxygen sensor signals, the respective oxygen sensor can be selected by pressing button 1, 2, 5 and 6:
- Button 1 = Bank 1 sensor 1,
- Button 2 = Bank 1 sensor 2,
- Button 5 = Bank 2 sensor 1,
- Button 6 = Bank 2 sensor 2.
| Test-ID: | Evaluation of output of oxygen sensor signals | |||||||
| 07 | Bank 1 and 2, sensor 2: Minimum voltage at sensor for test cycle | Refer to Evaluation test-ID 07 Bank 1 and 2, sensor 2: Minimum voltage at sensor for test cycle | ||||||
| 08 | Bank 1 and 2, sensor 2: Maximum voltage at sensor for test cycle | Refer to Evaluation test-ID 08 Bank 1 and 2, sensor 2: Maximum voltage at sensor for test cycle | ||||||
| 129 | Bank 1 and 2, sensor 1: Oxygen sensor value | Refer to Evaluation test-ID 129 Bank 1 and 2, sensor 1: Oxygen sensor value | ||||||
| 130 | Bank 1 and 2, sensor 1: Control barrier value | Refer to Evaluation test-ID 130 Bank 1 and 2, sensor 1: Control barrier value | ||||||
| 131 | Bank 1 and 2, sensor 1: Dynamic value | Refer to Evaluation test-ID 131 Bank 1 and 2, sensor 1: Dynamic value | ||||||
- End diagnosis and switch ignition off.