LEMON Manuals: Even more car manuals for everyone: 1960-2025
Home >> Nissan-Datsun >> 2012 >> Maxima S >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System - DTCS P0451 To P1217 >> DTC P0850: PNP Switch >> Component Function Check
April 5, 2026: LEMON Manuals is launched! Read the announcement.

Component Function Check

Regarding Wiring Diagram information, refer to "WIRING DIAGRAM-ENGINE CONTROL SYSTEM- ".

  1. PERFORM COMPONENT FUNCTION CHECK
    1. Turn ignition switch ON.
    2. Check the voltage between ECM harness connectors.
      ECM Condition Voltage
      Connector + -
      Terminal Terminal
      E10 102 112 Selector lever P or N Battery voltage
      Except above Approx. 0 V
      Fig 1: Checking Voltage Between ECM Harness Connector E10 Terminals
      G08145949Courtesy of NISSAN NORTH AMERICA, INC.

      Is the inspection result normal? 

      YES: INSPECTION END

      NO: Go to "DIAGNOSIS PROCEDURE ".