Touareg V10-5.0L DSL Turbo (BKW) (2004)
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Measure voltage supply of valve at connector terminal 1 and at engine Ground (GND).
Specified value: approx. battery voltage
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Switch ignition off.
If specified value is not obtained:
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Check wire according to wiring diagram:
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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 value is obtained, check Control Module Wires.
Control Module Wires, Checking
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Connect test box ((VAG1598/42)) to Engine Control Module 2 (J624) wiring harness using adapter cable ((VAG1598/39-2)) , connecting test
box for wiring test.
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Check wire between test box and connector for open circuit according to wiring diagram.
Terminal 2+socket 13
Wire resistance: max. 1.5ohms