TT Quattro Coupe V6-3.2L (BHE) (2005)
If the specified value was not obtained:
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Replace the Camshaft Adjustment Valve 1 (exhaust) N318.
If the specified value was obtained:
Checking voltage
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Switch the ignition on.
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Using a Multimeter, check the Camshaft Adjustment Valve 1 (exhaust) N318 electrical harness connector terminal 1 to Ground (GND) for voltage.
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Switch the ignition off.
Specified value: battery voltage.
If the specified value was not obtained:
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Check the Camshaft Adjustment Valve 1 (exhaust) N318 electrical harness connector terminal 1 to the Motronic Engine Control Module (ECM)
Power Supply Relay J271 socket 2/87 for an open circuit, short circuit to Battery (+) or Ground (GND).
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If the specified value was obtained:
Checking wiring
If the manufacturers test box is being used. Perform the following step.
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Install the test box VAG1598/31.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Motronic Engine Control Module (ECM) J220.
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Using a Multimeter, Check the Camshaft Adjustment Valve 1 (exhaust) N318 electrical harness connector terminal 2 to the Motronic Engine
Control Module (ECM) J220 electrical harness connector for resistance.
Camshaft Adjustment Valve
Motronic Engine Control Module (ECM)
1 N318 electrical
J220 electrical harness connector terminal
harness connector terminal
or test box socket
2
120
Specified value: 1.5 Ohms Max.
If the specified value was not obtained:
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Check the wiring connection for an open circuit, short circuit to Battery (+) or Ground (GND).
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Check the electrical harness connector for damage, corrosion, loose or broken terminals.
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If necessary, repair the faulty wiring connection.
If no malfunction is found in the wiring and voltage supply was OK:
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Replace the Camshaft Adjustment Valve 1 (exhaust) N318.
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Erase the DTC memory. See: Powertrain Management/Computers and Control Systems/Testing and Inspection/Scan Tool Testing and
Procedures/Diagnostic Mode 04 - Erase DTC Memory
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Perform a road test to verify repair.
If the DTC does not return:
Repair complete, Generate readiness code.
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End diagnosis.