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Circuit Opening Relay: Inspection

  1. REMOVE RELAY BOX COVER 
  2. REMOVE CIRCUIT OPENING RELAY 
    Fig 1: Removing Circuit Opening Relay
    G02949167Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  3. INSPECT CIRCUIT OPENING RELAY 
    1. Using an ohmmeter, measure the resistance between the terminals.

    Standard: 

    TESTER CONNECTION AND SPECIFIED CONDITION

    Tester Connection Specified Condition
    3-5 10 kΩ or higher
    3-5 Below 1 Ω (Apply battery voltage to terminals 1 and 2)

    If the resistance is not as specified, replace the relay.

    Fig 2: Measuring Resistance Between Circuit Opening Relay Terminals
    G02949168Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  4. REINSTALL CIRCUIT OPENING RELAY 
  5. REINSTALL RELAY BOX COVER 
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