New Beetle L4-1.8L Turbo (AWV) (2005)
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Check resistance between terminals 1 + 3 of diagnostic pump.
Specified value: 640 to 720 Ohms
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Measure resistance between terminals 2 + 3 of diagnostic pump.
Specified value: 12.5 to 19.5 Ohms
If specified values are not obtained:
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Replace Leak Detection Pump (LDP) -V144-.
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Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/With Generic Scan Tool/Diagnostic Mode 4: Reset/Erase Diagnostic Data
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Generate readiness code. See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If specified values are obtained:
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Check wires to control module according to wiring diagram.
Check wires to control module
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Connect test box to control module wiring harness. connect test box for wiring test. See: Computers and Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test
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Check wires between test box and 3-pin connector to Engine Control Module (ECM) for open circuit according to wiring diagram.
Terminal 1 + socket 80
Terminal 2 + socket 25
Wire resistance: max. 1.5 Ohms
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Check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: Infinite Ohms
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Check wire between 3-pin connector terminal 3 and the Fuel Pump (FP) Relay -J17- for open circuit according to wiring diagram.
Wire resistance: max. 1.5 Ohms