New Beetle GL L4-2.0L (AZG) (2002)
Ignition Coil: Testing and Inspection
With Generic Scan Tool
Checking ignition coils with power output stages (Vehicles with engine code AVH, AZG, BDC)
Note: Ignition coils and power output stages are one component and cannot be replaced individually.
Special tools and equipment
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VAG1526 multimeter or VAG1715 multimeter
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VAG1527 voltage test lamp
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VAG1594 connector test kit
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VAG1598/31 test box
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Wiring diagram
Test requirements
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The respective fuses of ignition coils must be OK.
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Motronic Engine Control Module (ECM) Power Supply Relay -J271-must be OK, check.
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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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For vehicles with automatic transmission, selector lever must be in position -P- or -N-.
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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.
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Engine speed (RPM) sensor must be OK. See: Computers and Control Systems/Engine Speed Sensor/Testing and Inspection
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Camshaft Position (CMP) sensor must be OK. See: Camshaft Position Sensor/Testing and Inspection
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Ignition switched off.
Test sequence
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Disconnect the 6-pin connector from the power output stage for ignition coils (arrow).
Checking voltage supply