Work step 8: Diagnostic of operational readiness of oxygen sensors after TWC
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- Engine at idle
Indicated on Display
Fig 1: VAG 1551 Scan Tool Display - Work Step 8, Diagnostic Of Operational Readiness Of Oxygen Sensors After TWC (1 Of 2)
- Input -0-, -3-, and -6- to select "display group number 036" and press -Q- button to confirm input.
Indicated on display
Fig 2: VAG 1551 Scan Tool Display - Work Step 8, Diagnostic Of Operational Readiness Of Oxygen Sensors After TWC (2 Of 2)
- Check specified values in display fields 2 and 4.
DISPLAY GROUP 036: OPERATIONAL READINESS OF OXYGEN SENSORS AFTER TWC (BANK 1 AND BANK 2)
| Display fields | ||||
|---|---|---|---|---|
| 1 | 2 | 3 | 4 | |
| Display group 036: Operational readiness of oxygen sensors after TWC (Bank 1 and Bank 2) | ||||
| Display | x.xxx Volts | Test ON | x.xxx Volts | Test ON |
| Indicated | Voltage of oxygen sensor after TWC, bank1 | Diagnostic condition | Voltage of oxygen sensor after TWC, bank2 | Diagnostic condition |
| Work range | 0.00V to 1.00 Volts | Test OFF Test ON B1-S2 OK B1-S2 not OK |
0.00V to 1.00Volts | Test OFF Test ON B2-S2 OK B2-S2 not OK |
| Specified Value | less than 0.4 Volts or greater than 0.5 Volts |
B1-S2 OK | less than 0.4 Volts or greater than 0.5 Volts |
B2-S2 OK |
| NOTE | IF "B1-S2 not OK" is displayed: Check DTC Memory . See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING . | If "B2-S2 not OK" is displayed: Check DTC memory . See DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING . | ||
If the specified value in display field 2 of "B1-S2 OK" and in display field 4 "B2-S2 OK" is reached:
- Press -C- button.