volkswagen Workshop Repair Guides

Volkswagen Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 4160 > < With Manufacturer's Scan Tool|Page 4158
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Continuation for all vehicles

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Measure resistance between terminals of solenoid valve.
Specified value: 25.0...35.0 Ohm

If specified value is not obtained:

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Replace Intake Manifold Change-Over Valve -N156-:
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Vehicles with engine code AFP, item 40,

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Vehicles with engine code BDF, item 2.

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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 value is obtained:

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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/With Generic Scan
Tool/Test Box, Connecting For Wiring Test

Vehicles with engine code AFP

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Check wire between test box socket 104+2-pin connector terminal 2 for open circuit according to wiring diagram.
Wire resistance: max: 1.5 Ohm

Vehicles with engine code BDF

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