audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

With Manufacturer's Scan Tool|Page 5161 > < With Manufacturer's Scan Tool|Page 5159
Page 2
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Disconnect electrical harness connector -2-.

Checking voltage supply

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Switch ignition on.

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Connect multimeter for voltage measurement as follows.

Harness connector

Specified value

Terminal
1 + Ground (GND)

about 5 V

1 + 5

about 5 V

2 + Ground (GND)

about 5 V

2 + 3

about 5 V

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Switch ignition off.

If specified values are not obtained:

Checking wire connections

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Connect test box to wiring harness of Engine Control Module (ECM); ECM is not connected. See: Computers and Control Systems/Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Scan Tool Connecting/With Generic Scan Tool/Text Box, Connecting For Wiring
Test

With Manufacturer's Scan Tool|Page 5161 > < With Manufacturer's Scan Tool|Page 5159