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New Beetle L4-2.0L (AZG) (2003)

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Electronic Throttle Control Module > Component Information > Testing and Inspection > With Generic Scan Tool > Page 211

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If the specifications are not attained:

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Remove inner plenum chamber cover, left:

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Connect test box V.A.G 1598/31 to control module wiring harness. Engine control module is not connected by this action.

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Check wiring for open circuit between test box and connector terminals:
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Terminal 1 + Socket 92

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Terminal 2 + Socket 83

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Terminal 3 + Socket 117

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Terminal 4 + Socket 84

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Terminal 5 + Socket 118

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Terminal 6 + Socket 91

Wire resistance: max. 1.5 Ohms

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Additionally check wires for short to one another. 
Specification: Infinity Ohms

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Check wiring additionally for short circuit to battery positive or Ground. 
Specification: Infinity Ohms

NOTE:  Only gold-plated terminals can be used to repair the terminals in the connector for the throttle valve control module.

If no wiring problem is detected:

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Check Engine Control Module (ECM) voltage supply.

Relays and Modules > Relays and Modules - Powertrain Management > Relays and Modules - Computers and Control Systems > Electronic Throttle Control Module > Component Information > Testing and Inspection > With Generic Scan Tool > Page 211

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