Circuit Opening Relay: Inspection

REMOVE CIRCUIT OPENING RELAY

Fig 1: Removing Circuit Opening Relay
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INSPECT CIRCUIT OPENING RELAY CONTINUITY
1. Using an ohmmeter, check that there is continuity between terminals 1 and 2.
  If there is no continuity, replace the relay.
  
  Fig 2: Checking Continuity Between Circuit Opening Relay Terminals 1 & 2
  Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
2. Check that there is no continuity between terminals 3 and 5.
If there is continuity, replace the relay.
INSPECT CIRCUIT OPENING RELAY OPERATION
1. Apply battery voltage across terminals 1 and 2.
2. Using an ohmmeter, check that there is continuity between terminals 3 and 5.
If there is no continuity, replace the relay.

Fig 3: Inspecting Circuit Opening Relay Operation
Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
REINSTALL CIRCUIT OPENING RELAY