Eos (1F7) V6-3.2L (BUB) (2008)
Variable Valve Timing Actuator: Testing and Inspection
Camshaft Adjustment Valves N205 and N318, Checking
The following procedure is used to diagnose both Camshaft Adjustment Valve 1 (N205) and Camshaft Adjustment Valve 1 (exhaust) (N318)
Special tools, testers and auxiliary items required
‹› Wiring diagram.
‹› The Camshaft Adjustment Valve 1 (N205) fuse OK.
‹› Power Supply Relay (terminal 30, B+) (J317) fuse OK.
‹› Battery voltage at least 12.5 volts.
‹› All electrical consumers such as, lights and rear window defroster, switched off.
‹› Vehicles with automatic transmission, shift selector lever into position " P" or "N".
‹› A/C switched off.
‹› Ground (GND) connections between engine/transmission/chassis OK.
‹› Ignition switched off.
Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Powertrain Management/Computers and
Control Systems/Testing and Inspection/Scan Tool Testing and Procedures/Preliminary Check
Disconnect Camshaft Adjustment Valve 1 (N205) electrical harness connector - 1 - or Camshaft Adjustment Valve 1 (exhaust) (N318).
Using a Multimeter, check the Camshaft Adjustment Valve 1 (N205) or Camshaft Adjustment Valve 1 (exhaust) (N318) for resistance.