USING ELECTRONIC TECHNICIAN (ET)
ET is used to check for active diagnostic or event codes, logged diagnostic codes, and observe ECM inputs and
Active Diagnostic Codes, Active Event Codes, and Status Flags
Active diagnostic and event codes cannot be cleared using ET. The fault or condition
setting the code must be repaired in order to clear the code.
1. To display active diagnostic codes, active event codes, or status flags, select the buttons (Figure 19, Item 1) at
bottom of ET screen (Figure 19, Item 4).
a. Select Active Codes button (Figure 19, Item 7) to display the active diagnostic codes.
b. Select Active Events button (Figure 19, Item 6) to display active event codes.
Select Status Flags button (Figure 19, Item 5) to display important machine status conditions.
2. Record active diagnostic codes or active event codes and refer to troubleshooting index (WP 0005) for a
complete list of diagnostic codes.
3. Active diagnostic codes and logged event codes may also be retrieved using the active diagnostic codes icon
(Figure 19, Item 2), and logged event codes icon (Figure 19, Item 3) at top of ET screen (Figure 19, Item 4).
4. If no further MSD operation is required, exit ET and disconnect MSD as described under Disconnecting MSD in
this work package.