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Electrical Testing

Manufacturer does not provide electrical component tests or specifications. All testing information is contained in Tester (VAG 1551/1).
If Tester (VAG 1551/1) is not available, turn ignition off and disconnect battery. Disconnect TCM harness connector. Install Back-Probe Harness (VAG 1598) between TCM and TCM harness.
Measure voltage and resistance between specified terminals of TCM connector. See Fig 1-Fig 8 . If any problems are found, service harness or components. If no problems are found, TCM may be defective.

Fig 1: Testing 38-Pin TCM Harness & Components (1 Of 8)

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fig 2: Testing 38-Pin TCM Harness & Components (2 Of 8)

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Fig 3: Testing 38-Pin TCM Harness & Components (3 Of 8)

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fig 4: Testing 38-Pin TCM Harness & Components (4 Of 8)

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fig 5: Testing 68-Pin TCM Harness & Components (5 Of 8)

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fig 6: Testing 68-Pin TCM Harness & Components (6 Of 8)

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fig 7: Testing 68-Pin TCM Harness & Components (7 Of 8)

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Courtesy of VOLKSWAGEN UNITED STATES, INC.

Fig 8: Testing 68-Pin TCM Harness & Components (8 Of 8)

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Courtesy of VOLKSWAGEN UNITED STATES, INC.