Beetle L4-2.0L (AEG) (2000)
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Connect VAG 1598/22 Test Box to ECM wiring harness.
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Switch Fluke 83 multimeter to Voltage range
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Connect multimeter between Test Box sockets 1 + 2 using jumper wires from WV 1594 adaptor kit.
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Specification: 11.5 Volts minimum
If specification not obtained
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Check wiring connections to fuse/relay panel using Wiring diagram.
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Display the Readiness code. Refer to "Monitors, Trips and/or Drive Cycle (Readiness Codes)/Displaying Readiness Code", See: Testing and
Inspection
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If DTC memory was erased or if the ECM was disconnected from Battery + , set the Readiness code. Refer to "Monitors, Trips and/or Drive Cycle
(Readiness Codes)/Setting Readiness Code", See: Testing and Inspection
With Generic Scan Tool
Voltage supply for Engine Control Module (ECM), checking
Recommended special tools and equipment
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VAG 1526 multimeter or VAG 1715 multimeter
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VAG 1594 connector test kit
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Wiring diagram
Test requirements
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The respective fuses of Motronic Engine Control Module (ECM) -J220- must be OK.
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Fuel Pump (FP) Relay -J17- must be OK, check.
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Generator (GEN) must be OK, checking.
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Battery voltage must be at least 11.5 volts.
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All electrical consumers such as, for example, lights and rear window defroster must be switched off.
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Parking brake must be engaged or else daylight driving lights will be switched on.
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If vehicle is equipped with an A/C system, it must be switched off.
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Ground (GND) connections between engine and chassis must be OK.
Test sequence