DTC Check / Clear

A340E AUTOMATIC TRANSMISSION SYSTEM:

DTC CHECK / CLEAR

1. CHECK DTC
DTCs which are stored in the ECM can be displayed with Techstream.
Techstream can display pending DTCs and current DTCs.
Some DTCs aren't stored if the ECM doesn't detect a malfunction during consecutive driving cycles. However, malfunctions detected during a single driving cycle are stored as pending DTCs.
(a) Connect Techstream to the DLC3.
(b) Turn the ignition switch ON, and turn the tester main switch ON.
(c) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(d) Confirm the DTCs and freeze frame data, and then write them down.
(e) Confirm the details of the DTCs (Diagnostic Trouble Code Descriptions).
2. CLEAR DTC
(a) Connect Techstream to the DLC3.
(b) Turn the ignition switch ON, and turn the tester main switch ON.
(c) Enter the following menus: Powertrain / Engine and ECT / DTC / Clear.