Scan Tool Data Definitions

WARNING: This page is about a different car, the 2002 Cadillac Eldorado. However, it is still accessible from the selected car via links, so may be relevant.

8 Digit GM Part Number: Displays the part number for the control module.

Battery Voltage: Displays 0 to 25.5 volts. The battery voltage level at the module.

Calibration ID: Displays the calibration ID for the control module.

Component Serial +ACM-8-11: Digits 8 to 11 of the component serial number of the control module.

Component Serial +ACM-12: Digit 12 of the component serial number of the control module.

Component Serial +ACM-13-16: Digits 13 to 16 of the component serial number of the control module.

Component Serial +ACM-17-18: Digits 17 to 18 of the component serial number of the control module.

Controlled Power: The scan tool displays On/Off. The commanded state of the controlled power terminal.

Door Jamb Switch: The scan tool displays On/Off. The input of the passenger door open switch, where a closed switch (passenger door open) is displayed as On.

Door Key Cylinder Unlock Switch: The scan tool displays On/Off. The input of the driver and passenger door lock cylinder switches, where a closed switch (driver or passenger door unlocked) is displayed as On.

Driver Door Jamb Switch: The scan tool displays On/Off. The input of the driver door open switch, where a closed switch (driver door open) is displayed as On.

D. R. L. Output: The scan tool displays On/Off. The commanded state of the DRL relay.

Exterior Lamp Output: The scan tool displays On/Off. The commanded state of the exterior lamp control terminal.

Front Fog Lamp Relay: The scan tool displays On/Off. The commanded state of the front fog lamp relay.

Front Fog Lamp Switch: The scan tool displays On/Off. The input of the front fog lamps switch, where a closed switch is displayed as On.

Head Lamp Switch: The scan tool displays On/Off. The status of the headlamp switch.

High Beam Output: The scan tool displays On/Off. The commanded state of the high beam control terminal.

High Beam Switch: The scan tool displays On/Off. The Instrument Cluster (IPC) uses this input to determine when to request the high beam headlamps to be activated.

Inadvertent Power Output: The scan tool displays On/Off. The commanded state of the inadvertent power control terminal.

Incandescent Dim +ACM-1: The scan tool displays 0-255 counts. The percentage of dimming sent to the incandescent lamps.

Incandescent Dim +ACM-2: The scan tool displays 0-255 counts. The percentage of dimming sent to the incandescent lamps.

Incandescent Dim Pot: The scan tool displays 0-255 counts. The interior dimmer switch input signal.

Interior Lamp Switch: The scan tool displays On/Off. The input of the interior lamps switch, where a closed switch is displayed as On.

Interior Lamp Output: The scan tool displays On/Off. The commanded state of the interior lamp relay.

Julian Date of Build: The scan tool displays year and day. The first digit indicates the last digit of the year that the control module was built. The remaining 3 digits indicate the day of the year that the control module was built.

Last 4 Digits of Part +ACM-: The scan tool displays the last 4 digits of the control module part number.

Left Turn Signal Indicator: The scan tool displays On/Off. The status of the Left Turn Signal. The Instrument Cluster uses this input to determine when to flash the left turn signal indicator.

Low Beam Output: The scan tool displays On/Off. The commanded state of the low beams control terminal.

Park Lamp Switch: The scan tool displays On/Off. The input of the park lamps switch, where a closed switch is displayed as On.

Park Lamp Relay Output: The scan tool displays On/Off. The commanded state of the park lamp relay.

PROM ID: The scan tool displays the PROM ID for the control module.

Reverse Relay Output: The scan tool displays On/Off. The commanded state of the reverse lamp relay.

Right Turn Signal Indicator: The scan tool displays On/Off. The status of the right turn signal. The Instrument Cluster uses this input to determine when to flash the right turn signal indicator.

Twilight Delay: The scan tool displays 0-255 counts. The twilight delay control input signal.

Twilight Photo: The scan tool displays 0-255 counts. The ambient light sensor input signal.

Twilight Switch: The scan tool displays On/Off. The input of the twilight enable switch, where a closed switch is displayed as Off.

Year Module Built: Displays the year that the control module was built.