DTC Check / Clear

3UR-FE ENGINE CONTROL: SFI SYSTEM: DTC CHECK / CLEAR

DTC CHECK / CLEAR

NOTE: When the diagnosis system is changed from the normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing modes, always check and make a note of DTCs and freeze frame data.

HINT:
- DTCs which are stored in the ECM can be displayed on the Techstream. The Techstream can display the current and pending DTCs.
- Same DTCs are not stored if the ECM does not detect the same malfunction again during a second consecutive driving cycle. However, such malfunctions, detected on only one occasion, are stored as pending DTCs.

1. CHECK DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / Trouble Codes.
(e) Check the DTC(s) and freeze frame data, and then write them down.
(f) Check the details of the DTC(s) Engine Control System - SFI System.
2. CLEAR DTC
(a) Connect the Techstream to the DLC3.
(b) Turn the ignition switch to ON.
(c) Turn the Techstream on.
(d) Enter the following menus: Powertrain / Engine and ECT / DTC / Trouble Codes.
(e) Clear the DTCs.
3. CLEAR DTC (Without using the Techstream)
(a) Perform either of the following operations:
(1) Disconnect the cable from the negative (-) battery terminal.
(2) Remove the EFI NO. 1 fuse from the engine room relay block located inside the engine compartment for more than 1 minute.