DTC Check / Clear

2GR-FE ENGINE CONTROL SYSTEM: SFI SYSTEM: DTC CHECK / CLEAR

NOTICE:
All the stored DTCs and freeze frame data are erased if: 1) the ECM is changed from normal mode to check mode or vice versa; or 2) the ignition switch is turned from on (IG) to on (ACC) or off while in check mode.

Before changing modes, always check and make a note of any DTCs and freeze frame data.

HINT
* DTCs which are stored in the ECM can be displayed on the Techstream. The Techstream can display current and pending DTCs.
* Some DTCs are not set if the ECM does not detect the same malfunction again during the 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 on (IG).

(c) Turn the tester on.

(d) Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.

(e) Check for 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 on (IG).

(c) Turn the tester on.

(d) Select the following menu items: Powertrain / Engine and ECT / Trouble Codes.

(e) Erase the DTCs.

3. CLEAR DTC (Without using the Techstream)

(a) Perform either one of the following operations:

(1) Disconnect the negative battery cable for more than 1 minute.

(2) Remove the EFI No. 1 and ETCS fuses from the relay block located inside the engine compartment for more than 1 minute.