LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Mazda >> 1994 >> Protege Base >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - Basic Testing >> Fuel System >> Fuel Pressure (Fuel Injection) >> Circuit Opening Relay (Except MX-3)
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Circuit Opening Relay (Except MX-3)

  1. With relay connected, ensure specified voltage is present at relay terminals. See CIRCUIT OPENING RELAY CIRCUIT VOLTAGE  table. For location of circuit opening relays, see CIRCUIT OPENING RELAY LOCATION  table.
  2. If voltages are okay, remove relay from vehicle. Check relay operation using a 12-volt battery source and perform resistance tests. See Figure .