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Home >> Audi >> 1998 >> A8 Quattro >> Repair and Diagnosis >> External Pages >> Different variant/trim >> Section 2 (On Board Diagnostic (OBD) - 5 SPD. Automatic Transmission (01V, Fwd)) >> Electrical and electronic components, locations >> Notes

Electrical and electronic components, locations: Notes

WARNING: This page is about a different variant/trim than selected.

The following list pertains to Fig 1 .

  1. Automatic Transmission Control Module (TCM) -J217-
  2. Engine Control Module (ECM)
  3. Data Link Connector (DLC)
  4. Valve body
    • Location: inside transmission oil pan
    • Assembly includes solenoid valves -N88-, -N89-, -N90-, -N91-,-N92-, -N93-, -N94-
    • Transmission fluid (ATF) temperature sensor -G93-is integrated into internal wiring harness
    • Components are electrically checked via OBD
  5. Multi-function -Transmission Range (TR) switch -F125-
  6. Sensor for transmission RPM -G182-
  7. Transmission Vehicle Speed Sensor (VSS) -G38-
  8. Selector lever mechanism
    • Location: in center console
  9. Shift lock solenoid -N110-
  10. Throttle Position (TP) sensor -G69-
    • Location: integrated into throttle valve control module -J338-
    • TP sensor signal is sent via ECM to TCM.
    • TP sensor signal is checked by On Board Diagnostic of ECM
    • TP sensor signal can be checked in "Read Measuring Value Block" function 08. See MEASURING VALUE BLOCK, READING (FUNCTION 08)  .
    • If a TP sensor malfunction is detected using OBD program, check OBD program of ECM. See ON BOARD DIAGNOSTIC (OBD) .
  11. Cruise control switch -E45-
  12. Park/Neutral Position (PNP) relay -J226-
    • Location: relay plate
  13. Transmission - range selector lever display -Y6-
    • Location: in instrument cluster
    • Transmission Range (TR) selector lever display which is completely dark indicates "mechanical backup with non-active control module" mode. For TCM safety functions, see TCM BACKUP FUNCTIONS  .
    • TR selector lever display which is completely lit up indicates "mechanical backup with active control module" mode. For TCM safety functions, see TCM BACKUP FUNCTIONS  .
  14. Kick down switch -F8-
  15. Brake light switch -F-
  16. Fig 1: Identifying Electrical And Electrical Components
    G02726850