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Headlight Relay

NOTE: Headlight relay may also be referred to as head relay.
  1. Turn ignition off. Remove headlight relay from engine compartment junction block located in front of left shock tower in engine compartment. See Figure and Fig 1 .
  2. Note identification of electrical terminals on headlight relay. See Figure. Using an ohmmeter, check that no continuity exists between terminals No. 3 and 5 of headlight relay. Check that continuity exists between terminals No. 1 and 2 of headlight relay.
  3. Using jumper wires, apply battery voltage and ground to terminals No. 1 and 2 of headlight relay. Check that continuity now exists between terminals No. 3 and 5 of headlight relay. See Figure. If continuity is not as specified, replace headlight relay.
    Fig 1: Locating Headlight Relay
    G00203259Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    Fig 2: Identifying Headlight Relay Terminals
    G00203258Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002