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Home >> Lexus >> 2007 >> LS 460L >> Repair and Diagnosis >> External Pages >> Different car >> Section 76 (Engine Control System - DTC) >> DTC P0550: PSP Sensor >> Diagnostic Procedure >> 5. Check PSP Sensor Input Signal Circuit For Open And Short
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5. Check PSP Sensor Input Signal Circuit For Open And Short

WARNING: This page is about a different car, the 2004 Nissan Maxima. However, it is still accessible from the selected car via links, so may be relevant.
  1. Check harness continuity between ECM terminal 12 and PSP sensor terminal 2.
    1. Continuity should exist. 
  2. Also check harness for short to ground and short to power.

OK or NG 

  1. OK: GO TO 6.
  2. NG: Repair open circuit or short to ground or short to power in harness or connectors.