Golf L4-1.8L Turbo (AWW) (2003)
Indicated on display: (1 to 4 = Display zones)
Engine code AWW
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Set engine speed to 1800 to 2200 RPM using speed regulator V.A.G 1788/10.
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Maintain the engine speed at 1800 to 2200 RPM until the display in display zone 3 jumps from "Test OFF" to "Test ON".
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Continue to maintain the speed at 1800 to 2200 RPM until the specification "Syst. OK" appears in display zone 3.
If the display indicates as described:
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Remove the engine speed adjuster V.A.G 1788/10 from accelerator pedal.
Engine code AWP
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Depress brake pedal and hold.
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Press accelerator pedal to wide-open position.
The engine speed is increased by the control module to approx. 2300 RPM.
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Hold both brake pedal and accelerator pedal depressed until the display in display zone 3 jumps from "Test OFF" to "Test ON".
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Continue to hold both brake pedal and accelerator pedal depressed until the result of the function test is displayed in display zone 3. Specification:
"Syst. OK"
If the display indicates as described:
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Release brake pedal and gas pedal.
Continuation for all vehicles
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Press-> key.
Indicated on display:
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Press keys 0 and 6 for the function "End output" and confirm entry with the Q key.
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Switch off ignition.
If "Syst. nOK" is indicated in display field 3, check DTC memory.
The following malfunction can occur for DTC 17927:
The camshaft adjuster solenoid valve correctly switches oil pressure to the mechanical camshaft adjuster but it cannot reach its end position (e.g.
tight/partially seized).
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Replace camshaft adjuster.
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Check DTC memory.
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Read out readiness code.
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If the DTC memory has been erased or the engine control module separated from the permanent positive, the readiness code must be generated
again.
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Repeat the functional check.
If specified value still is not obtain:
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Replace engine control module.