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Home >> Toyota >> 2004 >> Matrix Base, FWD, Automatic >> Repair and Diagnosis >> External Pages >> Different car >> Section 33 (Engine Controls - Self-Diagnostics) >> Diagnostic Tests >> DTC P1780: Park/Neutral Position (PNP) Switch Circuit >> Circuit Description
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Circuit Description

WARNING: This page is about a different car, the 2002 Lexus ES 300. However, it is still accessible from the selected car via links, so may be relevant.

DTC is set when ECM is receiving an "on" signal from PNP switch when vehicle is being operated for more than 30 seconds at 44 MPH or more (1500-2500 RPM). Possible causes are:

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