Download D3E803D02EB-Generic_..

TT RS 2012 ➤
Generic Scan Tool - Edition 07.2011
•
All electrical consumers such as, lights and rear window de‐
froster, switched off.
•
Vehicles with automatic transmission, shift selector lever into
position “P” or “N”.
•
A/C switched off.
•
Ground (GND) connections between engine/transmission/
chassis OK.
Test procedure
– Perform a preliminary check to verify the customers complaint.
Refer to ⇒ “3.1 Preliminary Check”, page 8
Start diagnosis
Checking internal resistance
– Disconnect the Exhaust Gas Temperature (EGT) Sensor 1 G235- electrical harness connector.
– Using a multimeter, check the Exhaust Gas Temperature
(EGT) Sensor 1 -G235- terminals 1 to 2 for resistance.
Specified value: ∞ Ω (INFINITE)
If the specification was not obtained:
– Replace the Exhaust Gas Temperature (EGT) Sensor 1 G235- .
If the specification was obtained:
Checking Voltage supply
– Disconnect the Exhaust Gas Temperature (EGT) Sensor 1 G235- electrical harness connector -1-.
– Switch the ignition on.
– Using a multimeter, check the Exhaust Gas Temperature
(EGT) Sensor 1 -G235- electrical harness connector terminals
1 to 2 for voltage.
Specified value: 0.400 to 0.500 V.
– Switch the ignition off.
If any of the specified values was not obtained:
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permitted unless authorised by AUDI AG. AUDI AG does not guarantee or accept any liability
with respect to the correctness of information in this document. Copyright by AUDI AG.
Checking wiring
If the manufacturers test box is being used, perform the following
step.
– Install the Test Box.
If the manufacturers test box is not being used, perform the fol‐
lowing step.
– Remove the Engine Control Module (ECM) -J623- . Refer to
appropriate Repair manual.
3. Diagnosis and Testing
129