Continuity Check (Open Circuit Check)

WARNING: This page is about a different car, the 2003 Lexus GS 430 and 2003 Lexus GS 300. However, it is still accessible from the selected car via links, so may be relevant.

Disconnect the connectors at both ECU and sensor sides.

Fig 1: Disconnecting Connectors At Both ECU And Sensor Sides
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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