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

Scan Tool Data Definitions



Scan Tool Data Definitions

Remote Control Door Lock Receiver (RCDLR)

Battery Voltage
- Display indicates battery voltage. Measured in volts.

Shift Lock Solenoid Command
- The scan tool displays the commanded state of the solenoid when the brake pedal is applied or released the scan tool displays LOCK / UNLOCK

Shift Lock Solenoid State
- The scan tool displays LOCK / UNLOCK the actual feedback state of the shift lock solenoid monitored by the RCDLR.

Transmission Control Module (TCM)

TCC Brake Switch
- Displays ON or OFF status of the TCC Brake switch.

IMS A/B/C/P
- Displays PARK / NEUTRAL / INVALID / REVERSE / DRIVE or LOW or HI for the state of each of the four inputs from the IMS. LOW displayed indicates a low voltage signal (0 volts) being monitored at the TCM. HI displayed indicates a high voltage signal (B+) being monitored at the TCM.