Checking pressure signal at high-pressure sender G65: Audi R8

🧭 Before you start

Fits: Audi R8 (4S, 2015–)

• Also covered elsewhere: Guided Fault Finding routine in "“Guided Fault Finding”" mode

📋 Procedure

1. Switch off ignition.
2. Remove bumper cover (front) General body repairs, exterior63Bumper (front); Removing and installing bumper cover.
3. Remove bolts (A) and remove air duct (B) to left condenser 19Radiator/radiator fan; Exploded view - radiator/radiator fan.
4. Unplug electrical connector (A).
5. Switch on ignition.

6. Check earth and positive connection to connector (A).
7. Check connection and operation of G65 as described in Guided Fault Finding routine in "“Guided Fault Finding”" mode. [Note: When the electrical connector (A) is unplugged, the air conditioner compressor (air conditioner compressor regulating valve N280) is not activated.G65 is an electronic control unit which exchanges information via a data bus with E87 (in this case via the onboard supply control unit J519) in "“Guided Fault Finding”" mode.]
8. Re-install removed components in reverse order.
9. Interrogate the event memory of E87 and erase any faults displayed in "“Guided Fault Finding”" mode.
10. As a final step, check operation of heater and air conditioner.

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
• Removing and installing shock absorber – Audi A8 D4 · 4 torque figures
• Checking radial clearance of conrod bearings – Audi A4 B5 · 6 torque figures
• Removing and installing toothed belt, engine code AXW, BMB, BHD · 1 torque figures
• Removing and installing floor covering – Audi A6 C6 · 3 torque figures
• 8-cylinder TDI engine (4.2 ltr. 4-valve common rail), mechanics — Separating engine and gearbox · 2 torque figures