Scan Tool Data Definitions

Scan Tool Data Definitions
Body Control Module (BCM)
Battery Voltage
Display indicates battery voltage. Measured in volts.
Brake Apply Sensor
Display indicates brake apply sensor voltage. Measured in volts.
Ignition 1
Display indicates ON when the ignition 1 input circuit of the module receives a battery signal from the ignition switch.

Powertrain Control Module (PCM)
TCC Brake Switch
Displays ON or OFF status of the TCC Brake switch.
TR Sw. A/B/C/P
Displays LOW or HI for the state of each of the 4 inputs from the IMS. LOW displayed indicates a low voltage signal (0 volts) being monitored at the PCM. HI displayed indicates a high voltage signal (B+) being monitored at the PCM.