audi Workshop Repair Guides

Audi Workshop Service and Repair Manuals

Powertrain Management > < Exhaust Temperature Sensor|Testing and Inspection|Page 2433
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Connect V.A.G 1598/31 test box to harness connectors of wiring harness (do not connect ECM). Clamp test box Ground (GND) clip to Ground
(GND) - arrow -

CAUTION:  To avoid damaging electronic components, set measuring range before connecting test leads and observe all test
requirements.

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Check the following wire connection for open circuit and short circuit to Ground (GND) and B+:

Harness connector Terminal

V.A.G 1598/31 test box Socket

1

61

2

50

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Repair open circuit in wiring or short circuit if necessary.

If no malfunctions are detected:

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Replace exhaust gas temperature sensor.

Powertrain Management > < Exhaust Temperature Sensor|Testing and Inspection|Page 2433