A8 Quattro Sedan V8-4.2L (BGK) (2006)
-
Check wire connection.
Wire Connection, Checking
-
Connect test box (VAG1598/31) at wiring harness to Engine Control Module (ECM), do not connect ECM.
-
Check wire connection of respective connector for solenoid valve for camshaft adjustment for open circuit in wire as well as short circuit to B+.
Camshaft Adjustment Valve 1 (N205)
Wire resistance: max. 1.5 ohms
-
Repair short circuit in wiring or open circuit in wiring if necessary.
Camshaft Adjustment Valve 2 (N208)
Wire resistance: max. 1.5 ohms
-
Repair short circuit in wiring or open circuit in wiring if necessary.
If there is neither an open circuit in wiring nor a short circuit, replace Engine Control Module (ECM).
-
Read readiness code => [ Readiness Code, Reading ] See: Powertrain Management/Computers and Control Systems/Testing and
Inspection/Monitors, Trips, Drive Cycles and Readiness Codes. If DTC memory was erased, readiness code must be generated again => [
Readiness Code, Generating ] See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive
Cycles and Readiness Codes.
-
If no malfunction was recognized for all previous tests, replace the respective mechanical camshaft adjuster.