1987 Volkswagen Vanagon Base, AWDFACTORY OEM SERVICE PROCEDURE

System Check

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 Fig 1 . See VANAGON AFC DIGIFANT SYSTEM VOLTAGE CHECKSΒ  table and VANAGON AFC DIGIFANT SYSTEM RESISTANCE CHECKSΒ  table.

CAUTION: Connect ohmmeter leads ONLY to terminals as specified in charts to prevent electrical damage to ohmmeter when testing system.
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When to See a Mechanic

Stop DIY work and contact a certified mechanic immediately if any of the following apply:

  • β€’ You smell fuel, burning insulation, or see smoke.
  • β€’ Brakes feel soft, pull hard to one side, or make grinding noises.
  • β€’ The engine overheats, stalls repeatedly, or misfires under load.
  • β€’ You are missing required tools, torque specs, or safe lifting equipment.
  • β€’ You are not confident in the next step or safety outcome.