Component Tests and General Diagnostics
INSPECTION1. Disconnect the PCM connector.
2. Connect the SST (104 Pin Breakout Box), or equivalent to the PCM.
SST number: 49 UNO1 130
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.