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Eos (1F7) V6-3.2L (BUB) (2008)

Powertrain Management > Computers and Control Systems > Variable Valve Timing Actuator > Component Information > Testing and Inspection

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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

‹› Multimeter.

‹› Wiring diagram.

Test requirements

‹› 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.

Test procedure

-

Perform a preliminary check to verify the customers complaint. Refer to => [ Preliminary Check ] See: Testing and Inspection/Scan Tool Testing
and Procedures/Preliminary Check

Start diagnosis

-

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.

Powertrain Management > Computers and Control Systems > Variable Valve Timing Actuator > Component Information > Testing and Inspection

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