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Continuity Check (Open Circuit Check)

  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