Contents Wiring diagrams Section: Testing & Diagnostics All sections

Test Requirements Audi A8 D3

Testing & Diagnostics 2 illustrations ~109 words
  1. Increase RPM until exhaust temperature reached 200° C in display field 2

Indicated on display

Scheme 116

Scheme 116
  1. Press buttons -0-, -3- and -4- to select display group number 034 and confirm with -Q- button.

Indicated on display

Scheme 117

Scheme 117
  1. Check specified value in display field 4
Display fields
1234
Display group 034: Oxygen sensor aging before catalytic converter (bank 1)
IndicatedEngine speed (RPM)Exhaust temperaturePeriod duration of oxygen sensor before TWCDiagnostic condition
Work range0 to 6800/RPM70 to 850 °C0.0 to 3.0 SecondsTest OFF Test ON B1-S1 OK B1-S1 not OK
Value650 to 720/RPMGreater than 200 °C0.1 to 1.8 SecondsB1-S1 OK
NoteIf "B1-S1 not OK" is displayed: Check DTC memory, see DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING .

DISPLAY GROUP 034: OXYGEN SENSOR AGING BEFORE CATALYTIC CONVERTER (BANK 1)

If specified value of "B1-S1 OK" is reached

  1. Press -C- button.
  2. Press buttons -0-, -3- and -5- to select Display group number "035" and confirm with -Q- button.
Display fields
1234
Display group 035: Oxygen sensor aging before catalytic converter (Bank 2)
DisplayXxxx/RPMXxx °CX.x secondsTest ON
IndicatedEngine speed (RPM)Exhaust temperaturePeriod duration of oxygen sensor before TWCDiagnostic condition
Work range0 to 6800/RPM70 to 850 °C0.0 to 3.0 SecondsTest OFF Test ON B2-S1 OK B2-S1 not OK
Value650 to 720/RPMGreater than 200 °C0.1 to 1.8 SecondsB2-S1 OK
NoteIF "B2-S1 not OK" is displayed: Check DTC memory, see DIAGNOSTIC TROUBLE CODE (DTC) MEMORY, CHECKING AND ERASING .

DISPLAY GROUP 035: OXYGEN SENSOR AGING BEFORE CATALYTIC CONVERTER (BANK 2)

If specified value of "B2-S1 OK" is reached

  1. Press -C- button.