Mode F4 - Miscellaneous Tests

This mode provides PROM ID, history data, history codes, and tire size calibration.

Prom ID

This function simply displays the version of 4WAL software in the BPMV being tested.

1. Select PROM ID by pressing F0.
2. The Tech 1 will prompt you to turn the ignition switch "OFF" then "ON."
3. The display will show the 4WAL unit software version.

History Data

This function identifies drive cycle (ignition counts) and 4WAL activation counts relative to when DTCs were stored. There are multiple blocks of history records.

1. Select HISTORY DATA by pressing F1.
2. The Tech 1 will prompt you to turn the ignition switch "OFF" then "ON."
3. The most recent history block will be displayed.
- Use the arrow keys to scroll through the different data blocks. The most negative number being the oldest stored block.

History Code

This function identifies which DTCs are stored within each history block. This information is available in two ways. Stored Codes lists the block number and all DTCs stored in that block by number only. Enhanced Codes provides the DTC numbers and a description of the DTCs stored in the block.

1. Select HISTORY CODE by pressing F2.
2. Select F0 for stored codes or F1 for enhanced codes.
3. The Tech 1 will prompt you to turn the ignition switch "OFF" then "ON."
4. The display will show the block number and code information.

Tire Size Cal

This function has two options; read tire size cal and new tire size cal. Read tire size cal allows you to read the tire size calibration stored in the BPMV module. New tire size cal allows you to program a new tire size calibration into the BPMV module. Only predetermined tire sizes can be selected

1. Select TIRE SIZE CAL by pressing F3.
2. Use the arrow keys to scroll the available tire size options.
3. The arrow symbol indicates the current selected size.
4. After you select the correct size, press the ENTER key to program the new tire size calibration.