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

Playback of Stored PIDs Procedure

NOTE: Look for abnormal behavior or values that are clearly incorrect. Inspect the signals for abrupt or unexpected changes. Look for agreement in related signals. Make sure signals act in proper sequence.

1. Select VIEW RECORDER AREAS.
2. Select a view area.
3. Select up to the four PIDs to review in the table format or two PIDs to review in the graph mode.
4. Table format: Scroll through the PID data while analyzing the information. Look for sudden drops or spikes in the values.
5. For example: Notice the major jump in the TP voltage while scrolling through the information.
6. Graph format, Scroll through the PID data while analyzing the information. Look for sudden drops or spikes in the linear lines showing the transformation of values to the line graph.