LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Lexus >> 2000 >> ES 300 >> Repair and Diagnosis >> Electrical >> Gauges >> Instrument Panels >> Component Tests >> Integration Relay
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Integration Relay

  1. Disconnect integration relay. Using jumper wires, connect battery positive to terminals No. 1 and 7, and battery negative to terminal No. 10 at integration relay. Connect test light between terminals No. 7 and 9. See STEP 1 in illustration. See Fig 1. If test light illuminates and buzzer sounds for 4-8 seconds, go to next step. If operation is not as specified, replace integration relay.
  2. Repeat step  1. While buzzer is sounding, connect negative lead from battery to terminal No. 8. See STEP 2 in illustration. See Fig 1. Buzzer should stop. Replace integration relay if operation is not as specified.
Fig 1: Testing Integration Relay
G95C60857Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002