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Home >> Toyota >> 2002 >> Avalon XLS >> Repair and Diagnosis >> Body & Frame >> Body, Cab Control Systems >> Body Control Systems >> Component Tests >> Horn Relay

Horn Relay

  1. Turn ignition off. Remove horn relay. Horn relay is located in engine compartment junction block at left side of engine compartment, in front of shock tower.
  2. Note identification of electrical terminals on horn relay. See Fig 1. Using ohmmeter, check that continuity exists between terminals No. 1 and 2 on horn relay and that no continuity exists between terminals No. 3 and 5 on horn relay.
  3. Using jumper wires, apply battery voltage and ground to terminals No. 1 and 2 on horn relay. Check that continuity now exists between terminals No. 3 and 5 on horn relay. See Fig 1. If continuity is not as specified, replace horn relay.
Fig 1: Identifying Electrical Terminals & Testing Horn Relay
G98E11472Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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