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Home >> Chevrolet >> 2002 >> Blazer 4D Utility, 4WD, Part Time >> Repair and Diagnosis >> External Pages >> Different car >> Section 1993 (Automatic Transmission - 4T45-E - DTC P0218 To DTC P0961) >> DTC P0815, P0816, or P0826 >> Component Testing

Component Testing

WARNING: This page is about a different car, the 2009 Saturn Vue. However, it is still accessible from the selected car via links, so may be relevant.
  1. Ignition OFF, disconnect the harness connector at the transmission shift lever.
  2. Test for 6.6-7.0K ohms of resistance between terminals 2 and 6 of the automatic transmission control.
    • If not within the specified range, replace the transmission shift lever.
  3. Test for 1.7-2.1K ohms of resistance between terminals 2 and 6 of the automatic transmission control while pressing the upshift button.
    • If not within the specified range, replace the transmission shift lever.
  4. Test for 3.8-4.2K ohms of resistance between terminals 2 and 6 of the automatic transmission control while pressing the downshift button.
    • If not within the specified range, replace the transmission shift lever.
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