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

DD92 - Check PCM Connector



- Key "OFF".

- Disconnect Powertrain Control Module (PCM) connector.

- Inspect both connectors and connector terminals for damaged or pushed out pins, corrosion, loose wires, etc.

- Is damage detected?

Yes -- Service as necessary. Clear continuous memory.

Rerun quick test. Quick Test Appendix (Detailed Testing Instructions)

No -- Unable to duplicate fault at this time. For further diagnosis using the EEC-IV Monitor Box or scan tool, refer to Diagnosis by Symptom (Diagnostic Routines). All others, rerun quick test. Quick Test Appendix (Detailed Testing Instructions)