LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2009 >> 4Runner Limited, 4.0 U, 4WD >> Repair and Diagnosis >> Engine Performance >> Engine Control System (1GR-FE) >> Circuit Opening Relay >> Inspection
July 1: So it begins. Don't worry, this is not in the correct legal jurisdiction!

Circuit Opening Relay: Inspection

  1. INSPECT CIRCUIT OPENING RELAY 
    1. Check the resistance.
      1. Using an ohmmeter, measure the resistance between the terminals.

        Resistance 

        RESISTANCE SPECIFICATION TABLE

        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 result is not as specified, replace the circuit opening relay.

        Fig 1: Measuring Resistance Between Circuit Opening Relay Terminals
        G05553906Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
scientia non olet · About LEMON Manuals