audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Camshaft Adjustment Valve 1 and Camshaft Adjustment Valve 1 (Exhaust), Checking|Page 2020 > < Camshaft Adjustment Valve 1 and Camshaft Adjustment Valve 1 (Exhaust), Checking|Page 2018
Page 2
background image

-

Using a Multimeter, check the Camshaft Adjustment Valve 1 (N205) or Camshaft Adjustment Valve 1 (exhaust) (N208) for resistance.

-

Measure pin 1 & pin 2 of the component.

Specified value: 5.0 to 8.0 ohms (at approx. 20° C)

If the specified value was not obtained:

-

Replace the Camshaft Adjustment Valve 1 (N205 ) or Camshaft Adjustment Valve 2 (exhaust) (N208 ) Refer to Fuel Injection and Ignition Repair
Information.

If the specified value was obtained:

Checking voltage

-

Switch the ignition on.

-

Using a Multimeter, Check the Camshaft Adjustment Valve 1 (N205) or Camshaft Adjustment Valve 2 (exhaust) (N208) electrical harness
connector terminal 1 to the Motronic Engine Control Module (ECM) Power Supply Relay (J271) terminal 87/2 for voltage.

-

Switch the ignition off.

Specified value: battery voltage.

If the specified value was not obtained:

-

Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).

-

Check the wiring connection for damage, corrosion, lose or broken terminals.

Camshaft Adjustment Valve 1 and Camshaft Adjustment Valve 1 (Exhaust), Checking|Page 2020 > < Camshaft Adjustment Valve 1 and Camshaft Adjustment Valve 1 (Exhaust), Checking|Page 2018