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Home >> Lexus >> 2003 >> GS 430 >> Repair and Diagnosis >> External Pages >> Different car >> Section 391 (Introduction) >> How To Troubleshoot Ecu Controlled Systems >> How To Use The Diagnostic Chart And Inspection Procedure >> Continuity Check (Open Circuit Check)

Continuity Check (Open Circuit Check)

WARNING: This page is about a different car, the 2004 Lexus GS 430 and 2004 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.
  1. Disconnect the connectors at both ECU and sensor sides.
    Fig 1: Disconnecting Connectors At Both ECU And Sensor Sides
    G03470899Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
  2. Measure the resistance between the applicable terminals of the connectors.

    Resistance: 1 Ω. or less 

HINT:

Measure the resistance while lightly shaking the wire harness vertically and horizontally.

Fig 2: Measuring Resistance While Lightly Shaking Wire Harness Vertically And Horizontally
G03470900Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002