New Beetle Turbo S L4-1.8L Turbo (AWP) (2002)
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Slowly depress accelerator pedal up to Wide Open Throttle (WOT) stop while observing the percentage display.
The percentage display must increase uniformly.
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Check specified value of throttle valve position (absolute) at Wide Open Throttle (WOT) stop:
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End diagnosis and switch ignition off.
If specified values are not obtained:
Check resistance
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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.
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Measure resistance of throttle valve drive between test box sockets 117 +118
Specified value: 1...5 ohms
If specified value is not obtained:
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Replace Throttle Valve Control Module -J338-, item 20
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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