Operation CHARM: Car repair manuals for everyone.

TA3 - Check CPP/PNP Switch Integrity



- Key "OFF".

- Breakout box installed, Powertrain Control Module (PCM) disconnected.

- Measure resistance between test pin 30 and test pin 46 at the breakout box with transmission in any gear and the clutch pedal "UP".

- Is resistance less than 5.0 ohms?

Yes -- Replace PCM. Remove breakout box. Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Go to TA4. TA4 - Check CPP Circuit For Short to Ground