A4 Quattro Sedan L4-1.8L Turbo (AEB) (1998)
Display Group 5
If displayed value is OK:
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Press -> button to advance program sequence.
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Press buttons -0- and -6- to select "End Output" function 06, and press -Q- button to confirm input.
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Switch off ignition.
Continuation
If no speed was indicated:
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Connect VAG 1598/22 test box to ECM harness connector. Refer to "Scan Tool Testing/Scan Tool Connecting and Initial Checks/Connecting
VAG 1598/22 Test Box" See: Powertrain Management/Computers and Control Systems/Testing and Inspection
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Connect VAG 1527B LED voltage tester between ECM/test box sockets 3 (B+) and 20 (signal).
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Lift vehicle at left front until wheel is free.
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Switch ignition on and rotate left-front wheel by hand.
LED must blink (very brief blink)
NOTE:
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The right-front wheel must not rotate; block it if necessary.
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For LEDs with little voltage consumption, the LED lights up at half strength when the ignition is switched on.
If the LED does not blink:
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Check wiring from ECM connector, terminal 20 to instrument cluster for open circuit or short circuit
If the wiring is OK and the LED does not blink:
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Check readiness code. If DTC memory was erased, or ECM disconnected, generate new readiness code
Refer to "Monitors, Trips and/or Drive Cycle/Displaying Readiness Code" See: Powertrain Management/Computers and Control Systems/Testing
and Inspection
Refer to "Monitors, Trips and/or Drive Cycle/Generating Readiness Code" See: Powertrain Management/Computers and Control Systems/Testing
and Inspection