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