Touareg V8-4.2L (AXQ) (2006)
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Variable Valve Timing Actuator: Testing and Inspection
Diagnostic Procedures
Camshaft Adjusting Valves, Checking
The camshaft adjustment is load- and RPM dependent. The electrical valves for camshaft adjustment switch oil pressure onto camshaft adjusters
(mechanical adjustment mechanisms), which then adjust the camshafts.
Special tools, testers and auxiliary items required
‹› Multimeter (VAG1526) or multimeter (VAG1715)
‹› Connector test kit (VAG1594)
‹› Wiring diagram
Test requirements
‹› Respective fuses of camshaft adjustment valves in fuse box (instrument panel, left) must be OK:
‹› Ignition switched off.
Test sequence
Cylinder bank 1
-
Disconnect 2-pin connector from Valve -1- for camshaft adjustment (N205) (arrow).
