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Circuit Opening Relay: Inspection

  1. INSPECT CIRCUIT OPENING RELAY
    1. Remove the circuit opening relay from the R/B subassembly.
    2. Measure the resistance of the relay.

      Resistance

      Fig 1: Measuring Resistance Of Relay
      G04427428Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
      TESTER CONNECTION AND SPECIFIED CONDITION

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

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

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