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

ROC - Testing Notes and Schematic

Pinpoint Test ROC Schematic:

Enter this Pinpoint Test only when code 67 (LFAN) is received in Quick Test step 5 or 6, or when directed here by Quick Test step 11, or a test procedure.

This test is only intended to diagnose these circuits:

- ACR (A/C relay)
- FPR (fuel pump relay)
- HCFAN (high condenser fan relay)
- HFAN (high cooling fan relay)
- LCFAN (low condenser fan relay)
- LFAN (low cooling fan relay)
- WAC (wide open throttle A/C cutoff relay)