LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Scion >> 2009 >> xB Automatic >> Repair and Diagnosis >> Electrical >> Horns >> Integration Relay >> On-Vehicle Inspection
April 5, 2026: LEMON Manuals is launched! Read the announcement.

On-Vehicle Inspection

  1. REMOVE NO. 1 RELAY BLOCK COVER 
  2. REMOVE INTEGRATION RELAY  (See REMOVAL )
  3. INSPECT INTEGRATION RELAY 
    1. Check the resistance.
      1. Remove the horn relay.
      2. Using an ohmmeter, measure the resistance between the terminals

        Standard resistance 

        TESTER CONNECTION SPECIFIED CONDITION CHART

        Tester Connection Condition Specified Condition
        A8 - T6 When battery voltage absent 10 kΩ or higher
        When battery voltage applied to terminals A7 and T6 Below 1 Ω

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

  4. INSTALL INTEGRATION RELAY  (See INSTALLATION )
  5. INSTALL NO. 1 RELAY BLOCK COVER 
    Fig 1: Measuring Resistance Between Integration Relay Terminals
    G05391222Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
scientia non olet · About LEMON Manuals