TT Coupe L4-1.8L Turbo (AWP) (2005)
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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.