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Ignition Relay

  1. Using an ohmmeter, check for continuity between ignition relay terminals No. 1 and 3. Ensure continuity does not exist between terminals No. 2 and 4. See STEP 1 in Fig 1.
    Fig 1: Test Ignition Relay
    G90F03015Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Ensure continuity DOES NOT exist between terminals No. 3 and 4. If ignition relay DOES NOT test as indicated, replace relay.
    NOTE: Ignition relay is located in relay box, above left kick panel.
  3. Check ignition relay operation. Apply battery voltage across terminals No. 1 and 3. Using an ohmmeter, ensure continuity exists between terminals No. 2 and 4. See STEP 2 in Figure.
  4. Ensure continuity DOES NOT exist between terminals No. 3 and 4. If ignition relay DOES NOT test as indicated, replace relay.
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