B4000 4WD V6-4.0L OHV (1995)
Engine Control Module: Component Tests and General Diagnostics
INSPECTION
1. Disconnect the PCM connector.
2. Connect the SST to the PCM.
3. Measure the voltage at each terminal with a voltmeter.
4. If any PCM terminal voltage is incorrect, check the related input or output devices and wiring. If no problem is found, replace the PCM.
