TA8 - Check PNP Input
- Key "OFF".
- Verify A/C is "OFF", if equipped.
- Verify transmission is "NEUTRAL" or "PARK".
- Disconnect Powertrain Control Module (PCM). Inspect for damaged or pushed out pins, corrosion, loose wires, etc. Service as necessary.
- Install breakout box and connect PCM to the breakout box.
- Key "ON", engine "OFF".
- Measure voltage between test pin 30 at the breakout box and chassis ground.
- Is voltage less than 1.0 volt?
Yes -- For vehicles with A/C: Go to pinpoint test step KM40. KM40 - Check A/C Input
For all others: Replace PCM.
No -- Go to TA9. TA9 - Check PNP Switch