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Home >> Jeep >> 1996 >> Cherokee Classic, Part Time, Automatic >> Repair and Diagnosis (Single Page) >> Engine Performance >> System >> Engine Controls - Tests W/Codes - 4.0L >> Diagnostic Trouble Code (DTC) Identification >> Test TC-167A - Governor Pressure Sensor Volts Too Low
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Test TC-167A - Governor Pressure Sensor Volts Too Low

NOTE: For connector terminal identification, refer to CONNECTOR IDENTIFICATION . For wiring diagram, see WIRING DIAGRAMS article in this section.
  1. Turn ignition on. Using scan tool, read GOV PRESSURE voltage. If voltage is 0.0-3.8 volts, perform TEST TC-167B . If voltage is not 0.0-3.8 volts, go to next step.
  2. Wiggle wiring harness from PCM to governor pressure sensor while monitoring GOV PRESSURE voltage. If voltage changes while wiggling wiring harness, repair short to ground in governor pressure sensor signal circuit and perform TEST VER-2A . If voltage does not change, go next step.
  3. Condition required to set DTC is not present at this time. GOVERNOR PRESSURE SENSOR VOLTS TOO LOW DTC sets if governor pressure sensor input is less than 0.1 volt for 8.36 seconds. Possible causes are: defective PCM, internally shorted or open, incorrectly wired, dirty or corroded connector, or open or shorted wiring. Go to next step.
  4. Test is complete. See INACTIVE DTC CONDITION . Perform verification TEST VER-2A .
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