Interchange Recognition For Heater Check

Interchange Recognition For Heated Oxygen Sensors (HO2S) Behind Catalytic Converter

Special tools and equipment







- VAS5051 with VAS5051/1

Test requirements:
- Coolant temperature at least 80 degree C, see display group 004, display zone 3.

Test sequence
- Connect vehicle diagnostic, testing and information system VAS5051 and select vehicle system "01 - Engine electronics". Connecting VAS 5051 Scan Tool
Engine must be running at idling speed.

Test conditions:
- Engine running at idling speed

Display on VAS5051:







- Under -1 - select diagnostic function "04 - Basic setting".

Display on VAS5051:







1 - Enter display group
- Enter "196" for "display group number 196" in zone -2- and confirm entry by pressing -Q- button.

Display on VAS5051:







- Activate basic setting by pressing -A- button.
- Check specification in display zone -4-.

Display Group 196:

- Exit function "04 - Basic setting" by pressing <- button.