New Beetle GLS L4-1.8L Turbo (AWV) (2001)
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Connect VAG 1598/31 test box to control module wiring harness. Motronic Engine Control Module (ECM) -J220- is not connected by this action.
Checking voltage supply terminal 30
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Measure supply voltage between test box sockets 1 + 62 using multimeter and adapter cables from VAG 1594:
Specification: at least 11.5 V
If the specification is not obtained:
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Check wiring connections to relay plate according to Electrical Wiring Diagram.
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Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, Checking and Erasing DTC Memory. See: Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
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Read readiness code. If DTC memory has been erased or Motronic Engine Control Module (ECM) -J220- was disconnected from battery positive,
readiness code must be generated again.
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
Checking voltage supply terminal 15
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Measure supply voltage between test box sockets 2 + 3 using multimeter and cables from VAG 1594.
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Switch on ignition.
Specification: min. 11.5 V
If the specification is not obtained:
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Check wiring connections to relay plate according to Electrical Wiring Diagram.
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Check DTC Memory, if necessary, repair any malfunctions and then Erase DTC Memory, Checking and Erasing DTC Memory. See: Testing and
Inspection/Reading and Clearing Diagnostic Trouble Codes/Reading Diagnostic Trouble Codes
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Read readiness code. If DTC memory has been erased or Motronic Engine Control Module (ECM) -J220- was disconnected from battery positive,
readiness code must be generated again.
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
See: Testing and Inspection/Monitors, Trips, Drive Cycles and Readiness Codes
With Generic Scan Tool
Voltage supply for Engine Control Module (ECM), checking
Recommended special tools and equipment
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VAG1526 multimeter or VAG1715 multimeter
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VAG1594 connector test kit
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Wiring diagram
Test requirements