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
Data Link Transmit Output
PURPOSE Powertrain Control Module (PCM) sends data to the scan tool through this circuit, including;
^
Sensor input values
^
Diagnostic Trouble Codes
(DTC's) stored in memory
^
Last deactivation cause (i.e.. speed control last shut off by; speed control switch, brake switch or no
crank sensor signal).