Removing and installing control unit for electrically adjustable steering column J866 — AUDI
Removing and installing control unit for electrically adjustable steering column J866 on Audi: 10 steps.
Workshop procedure for AUDI — the exact step sequence and torque figures, straight from real workshop data.
🧭 Before you start
Fits: Audi Q7 (4M, 2015–)
📋 Procedure
- Remove dash panel cover (driver side) General body repairs, interior68Shelves/trim panels; Removing and installing dash panel cover (driver side).
- Unplug electrical connectors (1, 2).
- Release catch (arrow) and detach control unit for electrically adjustable steering column J866(item 3) towards left side.
- Activate control unit for electrically adjustable steering column J866 (if a new control unit has been installed).
- Connect up diagnostic tester.
- Switch on ignition.
- Select Diagnosis and start the diagnosis.
- Select Test plan tab.
- Press Select own test button and then select the following menu items:
- Start the selected program and follow the instructions on the display of the vehicle diagnostic tester.
Other AUDI procedures
- Removing and installing toothed belt – Audi · 56 torque figures
- Removing engine – Audi A8 D3 · 41 torque figures
- Removing camshaft timing chain from camshafts – Audi A6/A7 C7 · 38 torque figures
- Installing engine – Audi A8 D4 · 36 torque figures
- Removing and installing camshaft timing chain · 29 torque figures
- Renewing seal for output flange on bevel box
- Filling with incorrect fuel, engine codes CAYD, CAYE
- Removing and installing toothed belt, 2010 ► – Audi 2.0 AXA
- Assembly overview - cylinder head · 3 torque figures
- Dismantling and assembling drive shaft, triple roller joint AAR 3700i
Who makes these pages, and how
TorqFix was built by a mechanic — after a 2,700 km drive with five roadside repairs that no diagnostic tool could explain.
The figures on this page come from manufacturer workshop documentation and are shown as they are. The page is assembled automatically from that data — it is not written by an AI. The AI works in the chat, where it answers for your specific car. It writes nothing here.
Variants of the same model differ. Cross-check torque against the factory manual for your engine before final tightening.
Seen a figure that does not match your manual? Write to us — we correct it and note when. support@torqfix.com
The story behind TorqFix →Workshop data on this page last updated 20 Sep 2026.