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Home >> Volkswagen >> 1988 >> Jetta Base, 4D Sedan, Standard >> Repair and Diagnosis >> Engine Performance >> System >> DIGIFANT CEC System >> Testing >> System Check
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System Check

CAUTION: To prevent electrical damage to ohmmeter when testing system, connect ohmmeter leads ONLY to terminals as specified in charts.

Electrical system functions may be checked at multi-pin connector of ECU. Turn ignition off. Disconnect connector from ECU. Using either ohmmeter or voltmeter, check system between terminals as noted. See Figure . See AFC DIGIFANT SYSTEM VOLTAGE and RESISTANCE CHECKS charts.

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