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Home >> Dodge and Ram >> 2000 >> Durango 4WD V8-5.9L VIN Z LDC >> Repair and Diagnosis >> Powertrain Management >> Computers and Control Systems >> Testing and Inspection >> Component Tests and General Diagnostics >> Checking the PCM Power and Ground Circuits
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Checking the PCM Power and Ground Circuits

Tests 1 - 2:




Tests 3 - 7:




Tests 8 - 12:




Tests 13 - 14:





SYMPTOM
CHECKING THE PCM POWER AND GROUNDS

POSSIBLE CAUSES
- Oil pressure sensor
- Governor pressure sensor
- Fused ignition switch output circuit open
- PCM ground circuit(s) open
- Camshaft Position Sensor
- Crankshaft Position Sensor
- MAP sensor
- TPS (5 volt supply)
- TPS ground circuit shorted to voltage
- PCM 5 volt primary supply circuit shorted to ground
- PCM 5 volt secondary supply circuit shorted to ground
- Fused B(+) circuit less than 10.0 volts
- Powertrain Control Module (5 volt)
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