Eurovan V6-2800cc 2.8L (AES) (2000)
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Connect VAG 1598/18 Test Box to ECM wiring harness.
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Switch ignition on.
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Connect multimeter between Test Box sockets 1 + 23 using jumper wires from VW 1594 adapter kit.
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specification: 12 to 14.5 Volts
If specification not obtained:
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Check wiring using wiring diagram
Procedure after voltage supply open circuit
If the voltage supply is interrupted, the engine control module loses all learned and/or "basic" values.
Special tools and equipment
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VAG 1551/1552 Scan Tool using VAG 1551/3 adapter cable
Work sequence
Perform the following operations after voltage supply open circuit:
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Switch ignition on for at least 10 seconds.
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Switch ignition off.
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Match engine control module to throttle valve control module
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Perform idling check. See: Fuel Delivery and Air Induction/Idle Speed/Testing and Inspection
NOTE: During the idling check the EVAP purge regulator solenoid valve and the air conditioner are switched off and the oxygen control learning
procedure is initiated.
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Perform a longer road test until any poor driveability characteristics are eliminated.
During the road test the following operational conditions must be fulfilled:
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The coolant temperature must exceed 80 °C
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When the above temperature is reached, idling, part throttle, wide open throttle and overrun must be attained several times.
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At wide open throttle the engine speed must exceed 3500 rpm