New Beetle L4-2.0L (AVH) (2005)
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Measure resistance of Throttle drive (power accelerator actuation) -G186- in Throttle Valve Control Module -J338- between terminals 3 + 5
Specified value: 1.0 to 5.0 Ohms
If specified value is not obtained:
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Replace Throttle Valve Control Module -J338-.
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Erase DTC memory of Engine Control Module (ECM). Diagnostic mode 4: Reset/erase diagnostic data. See: 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: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
If specified value is obtained:
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Check voltage supply of throttle valve control module and wiring to control module.
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Check Throttle Position (TP) sensor -G79- and Sender 2 for accelerator pedal position -G185-. See: Sensors and Switches - Computers and
Control Systems/Throttle Position Sensor/Testing and Inspection
If voltage supply and wires are OK:
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Replace Motronic Engine Control Module (ECM) -J220-.
Checking voltage supply and wiring to control module
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Connect multimeter to connector terminals 2 + 6 for voltage measurement.
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Switch ignition on.
Specified value: at least 4.5 V
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Switch ignition off.
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Connect test box to control module wiring harness. connect test box for wiring test. Engine Control Module (ECM) is not connected. See: Testing
and Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/Test Box, Connecting For Wiring Test