Touareg 2 V6-3.6L (BHK) (2008)
Specified value: 12.0 to 20.0 ohms (at approx. 20° C)
If the specified value was not obtained:
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Replace the Fuel Pressure Regulator Valve, N276..
If the specified value was obtained:
Checking activation and wiring
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Using a multimeter, check the electrical harness connector terminals 1 and 2 of N276
If the manufacturers test box is being used. Perform the following step.
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Install the test box.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Engine Control Module (ECM) (J623).
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Turn Key On
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Measure Pin 1 of Fuel Pressure Regulator Valve harness connector to Ground (GND)
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Measure Pin 2 of Fuel Pressure Regulator Valve harness connector to Batt +.
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Specified value: 12.5 Battery V
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If the specified value was not obtained:
If the manufacturers test box is being used. Perform the following step.
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Install the test box.
If the manufacturers test box is not being used. Perform the following step.
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Remove the Engine Control Module (ECM) (J623).
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Using a Multimeter, check the Fuel Pressure Regulator Valve electrical harness connector terminals to the Motronic Engine Control Module
(ECM) (J623) electrical harness connector T60 terminals for an open circuit.
Specified value: 1.5 ohms Max
If the specification is not obtained:
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Check the wiring for a short circuit to each other, Battery (+), and 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.
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Erase the DTC memory. Refer to --> [ Diagnostic Mode 04 - Erase DTC Memory ] See: 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: