Jetta GLS L4-1.8L Turbo (AWP) (2002)
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Ignition Coil: Testing and Inspection
Ignition Coils With Output Stage, Checking
Special tools and equipment
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VAG1598/31 test box
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VAG1526 hand multimeter or VAG1715 multimeter
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VAG1594 adapter set
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VAG1527 diode test lamp
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Wiring diagram
Check conditions
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All fuses must be OK.
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The battery voltage must be at least 11.5 V.
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Camshaft Position (CMP) sensor 2 -G163- must be OK, checking. See: Camshaft Position Sensor/Testing and Inspection
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Engine speed sender must be OK, checking See: Computers and Control Systems/Engine Speed Sensor/Testing and Inspection
NOTE: Ignition coils and final output stages are one component and cannot be replaced individually.
Test sequence
Checking voltage supply
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Pull 4 pin connector -2- off ignition coil to be checked -1-.
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Using multimeter and adapter cables from VAG1594 measure supply voltage between contacts 1 + 2 and 1 + 4 of disconnected connector.
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Switch ignition on.
Specification: Min. 11.5 V
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Switch ignition off.
If no voltage is present:
