Operation CHARM: Car repair manuals for everyone.
Manuals through 2025 now available!

Our trusted friends have launched a new website named LEMON, which has newer manuals. It also contains all the CHARM manuals.

LEMON is the spiritual successor to CHARM, I recommend you try it!

Link: lemon-manuals.la or lemon-manuals.org.ua

(Some people have issue connecting. LEMON is investigating. For now, use Firefox or change your DNS server)

Or, hide this message: temporarily or permanently

AA12 - Check PIP Signal



- Key "OFF".

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

- Measure voltage between test pin 56 and test pin 40 or 60 at breakout box.

- Crank engine, record reading.

- Is voltage between 3.0 and 7.0 volts?

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

No -- Go to AA13. AA13 - Check Continuity of PIP Circuit