Prius L4-1.8L (2ZR-FXE) Hybrid (2010)
A momentary interruption (open circuit) in the connectors and/or wire harnesses between the sensors and ECUs can be detected using
the ECU Data List function of the Techstream.
(a) Turn the power switch off.
(b) Connect the Techstream to the DLC3.
(c) Turn the power switch on (IG).
(d) Turn the Techstream on.
(e) Follow the directions on the Techstream to display the Data List and select areas where momentary interruptions should be monitored.
HINT
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A momentary interruption (open circuit) cannot be detected for 3 seconds after the power switch is turned on (IG) (initial check).
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If the Error display remains displayed, check for continuity between the ECUs and the sensors, or between ECUs.
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The Error display on the Techstream will remain displayed for 1 second after the harness signal changes from momentary
interruption (open circuit) to normal condition.