Touareg V10-5.0L DSL Turbo (BKW) (2004)
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Switch ignition off.
If specified values are obtained:
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Replace Mass Air Flow (MAF) Sensor (G70).
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Erase DTC memory of Engine Control Module (ECM) --> [ Diagnostic Mode 04 - Erase DTC Memory ] See: Computers and Control
Systems/Testing and Inspection/Scan Tool Testing and Procedures/Diagnostic Modes 01 - 09
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Generate readiness code --> [ Readiness Code ] See: Computers and Control Systems/Testing and Inspection/Monitors, Trips, Drive Cycles and
Readiness Codes.
If specified values are not obtained, check Signal and Ground Wires
Checking Signal and Ground Wires
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Connect test box ((VAG1598/42)) to Engine Control Module (ECM) (J623) wiring harness using adapter cable ((VAG1598/39-2)) , connecting
test box for wiring test.
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Check wires between test box and harness connector for open circuit according to wiring diagram.
Terminal 2+socket 18
Terminal 3 + socket 60
Terminal 4 + socket 40
Terminal 5 + socket 82
Wire resistance: max. 1.5ohms
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Also check wires for short circuit to each other, to vehicle Ground (GND) and to B+.
Specified value: infinite ohms
If no malfunctions are found in wires:
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Replace Engine Control Module (ECM) (J623) --> [ Engine Control Modules, Replacing ].