A4 Quattro Wagon L4-1.8L Turbo (ATW) (2000)
System in basic setting 56
->
1
2
3
4
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Check whether the engine speed in display field 1 (actual engine speed) is within tolerated range.
Display Group 056
If specified value is obtained:
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Press -> button.
Indicated on display (function selection):
Rapid data transfer
HELP
Select function XX
If specified value is not obtained:
-
Check DTC memory again.
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If DTC memory was erased, readiness code must be re-generated. Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/Generating
Readiness Code" See: Powertrain Management/Fuel Delivery and Air Induction/Testing and Inspection
If idle speed is too high or low and there are no DTCs in DTC memory, the following tests (marked with dots) must be performed:
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Check for false air in intake air system. Refer to "Intake System, Checking For Leaks (Unmetered Air)" See: Powertrain Management/Fuel
Delivery and Air Induction/Testing and Inspection
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Check throttle valve control module See: Powertrain Management/Computers and Control Systems/Electronic Throttle Control Module/Testing
and Inspection
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Evaporative Emission (EVAP) canister purge regulator valve always open, See: Powertrain Management/Emission Control Systems/Evaporative
Emissions System/Canister Purge Control Valve/Testing and Inspection
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Perform adaptation of throttle valve control module
.
Significance of 5 digit indication of display group 056