Eurovan V6-2800cc 2.8L (AES) (2000)
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Connect VAG 1598/18 Test Box to ECM harness connector.
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Using wiring diagram, check for open circuit between Test Box socket 31 and terminal 1 of 2-pin harness connector
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resistance: 1.5 Ohms maximum
If wiring OK:
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Check N80 voltage supply using wiring diagram, replace ECM J220 if necessary.
EGR vacuum regulator solenoid valve N18, activating.
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Press -> button
Display will appear as shown:
"Output Diagnostic Test Mode" --->
EGR Vacuum Regulator Solenoid Valve-N18
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EGR valve must click until next DTM component is selected by pressing -> button.
If EGR valve does not click.
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Disconnect 2-pin harness connector from N18 valve and connect VAG 1527B LED tester to disconnected connector using jumper wires from VW
1594 adaptor kit.
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LED must flash
If LED flashes;
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Replace EGR vacuum regulator solenoid valve.
If LED does not flash:
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Switch OFF ignition.