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

AA23 - Check For PIP Open In Harness




^ Key off.

^ DVOM on 20 volt AC scale.

^ Disconnect PCM.

^ Crank engine and measure voltage between Pin 56 (PIP) of the PCM harness connector and J7 (B-).

^ Is voltage between 3.0 and 8.5 volts AC?


YES -- Go to AA24. AA24 - Check IGN GND at PCM


NO -- Go to AA26. AA26 - Check PIP A at CMP Sensor