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Home >> Toyota >> 2004 >> MR2 C65M >> Repair and Diagnosis >> Engine Performance >> Remove, Overhaul & Install >> Engine Control (SFI) System >> Circuit Opening Relay >> Inspection

Circuit Opening Relay: Inspection

  1. REMOVE CIRCUIT OPENING RELAY (Marking: C/OPN) 
    Fig 1: Removing Circuit Opening Relay
    G02631077Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. INSPECT CIRCUIT OPENING RELAY 
    1. Inspect the resistance.
      1. Using an ohmmeter, measure the resistance between the terminals.

      Standard: 

    TESTER CONNECTION AND SPECIFIED CONDITION SPECIFICATION

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

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

  3. REINSTALL CIRCUIT OPENING RELAY 
    Fig 2: Measuring Resistance Between Terminals
    G02631078Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
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