Golf Mk4
Servicing ignition system
Checking ignition coils with output stage
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Perform check only when performance is poor or engine is shaking because its misfiring. Special tools, testers, measuring instruments and auxiliary items required
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Check conditions |
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Test sequence
Checking voltage supply |
If no voltage was present:
If the voltage was at least 11.5 V: Checking primary resistance |
If the specifications are not obtained:
If the specifications are obtained: |
Checking activation
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If no wiring fault is detected:
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The LED must light up.
If the LED does not light up:
If not open circuit can be found:
The LED must light up.
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If the activation of the output stage is fault-free:
If the activation of the output stage is interrupted at one or more connector contacts:
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If no wiring fault is detected:
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