For 1990-2009 cars only
Use the Scan Tool Data Display Values and Definitions Information in order to assist in diagnosing vehicle malfunctions. Compare the vehicles actual scan tool data with the typical data display value table information. Use the data information in order to aid in understanding the nature of the problem when the vehicle does not match with the typical data display values.
The scan tool data values were taken from a known good vehicle under the following conditions:
| • | The ignition switch is in the ON position. |
| • | The engine is not running. |
| • | The vehicle is in PARK. |
Battery Voltage: This voltage value refers to the battery system voltage.
Driver Door Ajar Sw.: The scan tool displays On/Off. On is displayed when the driver door is open, Off when closed.
Ignition 1: The BCM uses this data in order to determine the position of the ignition switch. ON is displayed when the ignition switch is in the ON or CRANK position.
Key In Ignition: This information refers to whether or not the ignition key is inserted into the ignition switch. The BCM uses this data to perform chime functions. ON is displayed when the key is inserted into the ignition switch.
Passenger Door Ajar Sw.: The scan tool displays On/Off. On is displayed when at least one passenger door is open, Off when all passenger doors are closed.
