New Beetle L4-1.9L DSL Turbo (BEW) (2006)
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Measure voltage supply between connector terminals 1 + 3:
Specified value: approx. 5.0 V
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Switch ignition off.
If specified value is not obtained:
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Check wires to Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248- according to wiring diagram.
If specified value is obtained:
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Connect test box (1598/42) to Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248- wiring harness using adapter cable
(V.A.G 1598/39-1), connecting test box for wiring test.
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Check for open circuit in wires between test box and 6-pin connector according to wiring diagram.
Terminal 5 + socket 24
Wire resistance: max. 1.5 ohms
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Check wire for short circuit to vehicle Ground (GND) and to B+.
Specified value: infinity ohms
If no malfunctions are found in wire:
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Replace EGR Vacuum Regulator Solenoid Valve -N18- with Potentiometer for EGR - G212-, item 6.
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Erase DTC memory of Engine Control Module (ECM), Diagnostic mode 4: Reset/erase diagnostic data. 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 basic setting of EGR Vacuum Regulator Solenoid Valve -N18- with Potentiometer for EGR -G212-.
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Generate readiness code.
Check wires to control module
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Connect test box (1598/42) to Diesel Direct Fuel Injection (DFI) Engine Control Module (ECM) -J248- wiring harness using adapter cable
(V.A.G 1598/39-1), connecting test box for wiring test.