LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Toyota >> 2007 >> Corolla CE, Automatic >> Repair and Diagnosis >> Engine Performance >> Engine Control System (1ZZ-FE) >> IG1 Relay >> Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

IG1 Relay: Inspection

  1. INSPECT IGNITION RELAY NO. 1 
    1. Check the resistance.
      1. Using an ohmmeter, measure the resistance between the terminals.

    Resistance 

    TESTER CONNECTION SPECIFIED CONDITION

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

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

    Fig 1: Inspecting Ignition Relay No. 1
    G05192726Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.