DTC Check / Clear

A750F AUTOMATIC TRANSMISSION: AUTOMATIC TRANSMISSION SYSTEM: DTC CHECK / CLEAR

DTC CHECK / CLEAR

1. CHECK DTC
DTCs which are stored in the ECM can be displayed with a Techstream.
The tester can display pending DTCs and current DTCs. Some DTCs are not stored if the ECM does not detect a malfunction during consecutive driving cycles. However, malfunctions detected during a single driving cycle are stored as pending DTCs.
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the tester ON.
(d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(e) Confirm the DTCs and freeze frame data and then write them down.
(f) Confirm the details of the DTCs Automatic Transmission System.
2. CLEAR DTC
(a) When using a Techstream:
(1) Connect the Techstream to the DLC3.
(2) Turn the ignition switch to ON.
(3) Turn the tester ON.
(4) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(5) Erase the DTCs.





(b) When not using a Techstream:
(1) Disconnect the battery terminal or remove the EFI and ETCS fuses from the No. 2 engine room relay block for 60 seconds or more. However, if you disconnect the battery terminal, perform the "INITIALIZATION" procedure Programming and Relearning.