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Home >> Suzuki >> 2009 >> Equator RMZ-4 >> Repair and Diagnosis >> Engine Performance >> System >> Engine Control System (VQ40DE) - (3 Of 5) >> DTC P0850: PNP Switch >> DTC Confirmation Procedure >> With SDT
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With SDT

  1. Turn ignition switch ON.
  2. Select "P/N POSI SW" in "Data list" mode with SDT. Then check the "P/N POSI SW" signal under the following conditions.
    SELECTOR LEVER POSITION

    Position (Selector lever) Known-good signal
    P or N position (A/T)
    Neutral position (M/T)
    ON
    Except above position OFF

    If NG, go to [P0850 PNP SWITCH ].

    If OK, go to following step.

  3. Select "Data list" mode with SDT.
  4. Start engine and warm it up to normal operating temperature.
  5. Maintain the following conditions for at least 60 consecutive seconds.
    ENGINE SPEED REFERENCE

    ENG SPEED 1, 400 - 6, 375 RPM
    COOLAN TEMP/S More than 70°C (158°F)
    B/FUEL SCHDL 2.0 - 31.8 msec
    VHCL SPEED SE More than 64 km/h (40 MPH)
    Selector lever Suitable position
  6. Check 1st trip DTC.
  7. If 1st trip DTC is detected, go to [P0850 PNP SWITCH ].