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Home >> Volkswagen >> 1985 >> Vanagon Base, Standard >> Repair and Diagnosis >> Engine Performance >> System >> Fuel Injection System - BOSCH DIGIJET >> Testing >> Relays >> Fuel Pump Relay
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Fuel Pump Relay

  1. Connect test lamp between terminals 30 and 86. Test lamp should light while cranking engine. If not, check wiring to terminal 20 of ECU. If wiring is good, replace ECU.
  2. Connect test lamp between terminal 87 and ground. Test lamp should light while cranking engine. If not, replace fuel pump relay.