For 1990-2009 cars only
8 Digit GM Part Number: The scan tool displays the eight
digit part number of the control module selected.
Battery Voltage: The scan tool displays 9.0-15.0 volts. This is the state of the battery voltage supplied to the control module selected.
Calibration ID: The scan tool displays the calibration or program revision level used in the PROM of the control module selected.
Component Serial # 8-11: The scan tool displays digits 8 through 11 of the BCM serial number.
Component Serial # 12: The scan tool displays digit 12 of the BCM serial number.
Component Serial # 13-1: The scan tool displays digits 13 through 16 of the BCM serial number.
Component Serial # 17-1: The scan tool displays digits 17 and 18 of the BCM serial number.
Door Jamb Switch: The scan tool displays On/Off. This is the passenger door jamb switch input to the BCM, where an open door is displayed as On.
Door Key Cyl. Unlock Sw.: The scan tool displays On/Off. This is the driver or passenger door key cylinder input to the BCM, where the key cylinder transition to the Unlock position is displayed as On.
Door Lock Output: The scan tool displays On/Off. This is the driver or passenger door lock switch output from the Body Control Module (BCM) , where the switch transition to the Lock position is displayed as On.
Door Lock Switch: The scan tool displays Idle/Lock/Unlock. This is the driver or passenger door lock switch input to the BCM, where the switch transition to the Lock or Unlock positions are displayed as Lock and Unlock.
Door Unlock Output: The scan tool displays On/Off. This is the passenger door lock switch output from the Body Control Module (BCM), where the switch transition to the Unlock position is displayed as On.
Driver Door Ajar Sw.: The scan tool displays On/Off. This is the driver door ajar switch input to the BCM, where an open door is displayed as On.
Driver Door Jamb Sw.: The scan tool displays On/Off. This is the driver door jamb switch input to the BCM, where an open door is displayed as On.
Driver Unlock Output: The scan tool displays On/Off. This is the driver door lock switch output from the Body Control Module (BCM), where the switch transition to the Unlock position is displayed as ON.
Fuel Level: The scan tool displays gallons. The scan tool displays the number of gallons remaining in the fuel tank as seen by the BCM.
Ignition Counter: The scan tool displays the number of ignition switch transitions as seen by the BCM.
Julian Date Of Build: The scan tool displays a four digit number representing the day of the year the module selected was built.
Left Mirror Outputs (w/A45): The scan tool displays Idle/Left/Right/Up/Down. This is the Memory Mirror Module (MMM) output to the drivers outside rearview mirror. The scan tool display corresponds to the direction in which the driver mirror is being commanded to move.
Left Mirror Switches: The scan tool displays Idle/Left/Right/Up/Down. This is the mirror switch input to the MMM, indicating which direction the driver mirror should be commanded to move.
Lt. Horiz. Mirror Pos.: The scan tool displays 0.25-4.75 volts. This is the driver mirror position sensor feedback voltage to the MMM.
Lt. Vertical Mirror Pos.: The scan tool displays 0.25-4.75 volts. This is the driver mirror position sensor feedback voltage to the MMM.
Memory Recall Switches: The scan tool displays Idle/Memory 1/Memory 2/Exit. This is the memory function switch input to the MMM, indicating which memory function is currently being recalled.
Passenger Door Ajar Sw.: The scan tool displays On/Off. This is the passenger door ajar switch input to the BCM, where an open door is displayed as On.
PROM ID: The scan tool displays the four digit number of the PROM incorporated into the control module selected.
Real Time Clock Hours: The scan tool displays a number representing the current hour of the day.
Real Time Clock Minutes: The scan tool displays a number representing the current minute of the hour.
Real Time Clock Seconds: The scan tool displays a number representing the current second of the minute.
Rear Defog Output: The scan tool displays On/Off. This is the rear defogger relay output from the BCM, where the relay being actuated is displayed as On.
Right Mirror Outputs (w/A45): The scan tool displays Idle/Left/Right/Up/Down. This is the Memory Mirror Module (MMM) output to the passengers outside rearview mirror. The scan tool display corresponds to the direction in which the passenger mirror is being commanded to move.
Right Mirror Switches: The scan tool displays Idle/Left/Right/Up/Down. This is the mirror switch input to the MMM, indicating which direction the passenger mirror should be commanded to move.
Rt. Horiz. Mirror Pos.: The scan tool displays 0.25-4.75 volts. This is the passenger mirror position sensor feedback voltage to the MMM.
Rt. Vertical Mirror Pos.: The scan tool displays 0.25-4.75 volts. This is the passenger mirror position sensor feedback voltage to the MMM.
Year Module Built: The scan tool displays the four digit year of build of the control module selected.
Battery Voltage: The scan tool displays 9.0-15.0 volts. This is the state of the battery voltage supplied to the control module selected.
Calibration ID: The scan tool displays the calibration or program revision level used in the PROM of the control module selected.
Component Serial # 8-11: The scan tool displays digits 8 through 11 of the BCM serial number.
Component Serial # 12: The scan tool displays digit 12 of the BCM serial number.
Component Serial # 13-1: The scan tool displays digits 13 through 16 of the BCM serial number.
Component Serial # 17-1: The scan tool displays digits 17 and 18 of the BCM serial number.
Door Jamb Switch: The scan tool displays On/Off. This is the passenger door jamb switch input to the BCM, where an open door is displayed as On.
Door Key Cyl. Unlock Sw.: The scan tool displays On/Off. This is the driver or passenger door key cylinder input to the BCM, where the key cylinder transition to the Unlock position is displayed as On.
Door Lock Output: The scan tool displays On/Off. This is the driver or passenger door lock switch output from the Body Control Module (BCM) , where the switch transition to the Lock position is displayed as On.
Door Lock Switch: The scan tool displays Idle/Lock/Unlock. This is the driver or passenger door lock switch input to the BCM, where the switch transition to the Lock or Unlock positions are displayed as Lock and Unlock.
Door Unlock Output: The scan tool displays On/Off. This is the passenger door lock switch output from the Body Control Module (BCM), where the switch transition to the Unlock position is displayed as On.
Driver Door Ajar Sw.: The scan tool displays On/Off. This is the driver door ajar switch input to the BCM, where an open door is displayed as On.
Driver Door Jamb Sw.: The scan tool displays On/Off. This is the driver door jamb switch input to the BCM, where an open door is displayed as On.
Driver Unlock Output: The scan tool displays On/Off. This is the driver door lock switch output from the Body Control Module (BCM), where the switch transition to the Unlock position is displayed as ON.
Fuel Level: The scan tool displays gallons. The scan tool displays the number of gallons remaining in the fuel tank as seen by the BCM.
Ignition Counter: The scan tool displays the number of ignition switch transitions as seen by the BCM.
Julian Date Of Build: The scan tool displays a four digit number representing the day of the year the module selected was built.
Left Mirror Outputs (w/A45): The scan tool displays Idle/Left/Right/Up/Down. This is the Memory Mirror Module (MMM) output to the drivers outside rearview mirror. The scan tool display corresponds to the direction in which the driver mirror is being commanded to move.
Left Mirror Switches: The scan tool displays Idle/Left/Right/Up/Down. This is the mirror switch input to the MMM, indicating which direction the driver mirror should be commanded to move.
Lt. Horiz. Mirror Pos.: The scan tool displays 0.25-4.75 volts. This is the driver mirror position sensor feedback voltage to the MMM.
Lt. Vertical Mirror Pos.: The scan tool displays 0.25-4.75 volts. This is the driver mirror position sensor feedback voltage to the MMM.
Memory Recall Switches: The scan tool displays Idle/Memory 1/Memory 2/Exit. This is the memory function switch input to the MMM, indicating which memory function is currently being recalled.
Passenger Door Ajar Sw.: The scan tool displays On/Off. This is the passenger door ajar switch input to the BCM, where an open door is displayed as On.
PROM ID: The scan tool displays the four digit number of the PROM incorporated into the control module selected.
Real Time Clock Hours: The scan tool displays a number representing the current hour of the day.
Real Time Clock Minutes: The scan tool displays a number representing the current minute of the hour.
Real Time Clock Seconds: The scan tool displays a number representing the current second of the minute.
Rear Defog Output: The scan tool displays On/Off. This is the rear defogger relay output from the BCM, where the relay being actuated is displayed as On.
Right Mirror Outputs (w/A45): The scan tool displays Idle/Left/Right/Up/Down. This is the Memory Mirror Module (MMM) output to the passengers outside rearview mirror. The scan tool display corresponds to the direction in which the passenger mirror is being commanded to move.
Right Mirror Switches: The scan tool displays Idle/Left/Right/Up/Down. This is the mirror switch input to the MMM, indicating which direction the passenger mirror should be commanded to move.
Rt. Horiz. Mirror Pos.: The scan tool displays 0.25-4.75 volts. This is the passenger mirror position sensor feedback voltage to the MMM.
Rt. Vertical Mirror Pos.: The scan tool displays 0.25-4.75 volts. This is the passenger mirror position sensor feedback voltage to the MMM.
Year Module Built: The scan tool displays the four digit year of build of the control module selected.
