Ignition Relay (No.1): Inspection

WARNING: This page is about a different car, the 2002 Toyota Avalon. However, it is still accessible from the selected car via links, so may be relevant.

Inspect Ignition Relay
1. Inspect the relay continuity.
  1. Using an ohmmeter, check that there is no continuity between terminals 1 and 2.
    
    Fig 2: Using Ohmmeter To Inspect Ignition Relay
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    
    If there is continuity, replace the relay.
  2. Check that there is continuity between terminals 3 and 4.
    If there is no continuity, replace the relay.
2. Inspect the relay operation.
  1. Apply battery positive voltage across terminals 3 and 4.
  2. Using an ohmmeter, check that there is continuity between terminals 1 and 2.
    
    Fig 3: Using Ohmmeter To Inspect Ignition Relay
    Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  If there is no continuity, replace the relay.
Reinstall Ignition Relay