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Home >> Mazda >> 2001 >> MPV ES >> Repair and Diagnosis >> Engine Performance >> System >> Engine Controls - System & Component Testing >> Relays & Solenoids >> Main Relay
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Main Relay

  1. Ensure main relay clicks when ignition is turned on and off. If no sound is heard, locate and remove main relay from main fuse block, in left side of engine compartment. Using ohmmeter, check continuity between main relay terminals "C" and "D". See Figure . Continuity should not be present.
  2. Using fused jumper wires, apply battery voltage to main relay terminal "A" and ground terminal "B". Continuity should be present between main relay terminals "C" and "D". If continuity is not as specified, replace main relay.