Toyota Venza: Check Mode Procedure

Toyota Venza Service Manual / 1ar-fe Engine Control / Sfi System / Check Mode Procedure

CHECK MODE PROCEDURE

HINT:

Techstream only:

Compared to normal mode, check mode is more sensitive to malfunctions. Therefore, check mode can detect malfunctions that cannot be detected in normal mode.

NOTICE:

All the stored DTCs and freeze frame data are cleared if: 1) the ECM is changed from normal mode to check mode or vice versa; or 2) the ignition switch is turned from ON to ACC or off while in check mode. Before changing modes, always check and note any DTCs and freeze frame data.

1. CHECK MODE PROCEDURE

(a) Check and ensure the following conditions:

(1) Battery voltage is 11 V or higher.

(2) Throttle valve is fully closed.

(3) Shift lever is in P or N.

(4) A/C switch is off.

(b) Turn the ignition switch off.

(d) Turn the ignition switch to ON.

(e) Turn the Techstream on.

(f) Enter the following menus: Powertrain / Engine / Utility / Check Mode.

(g) Switch the ECM from normal mode to check mode.

(h) Check that the MIL flashes as shown in the illustration.

(i) Start the engine.

(j) Check that the MIL turns off.

(k) Simulate the conditions of the malfunction described by the customer.

(l) Check DTCs and freeze frame data using the Techstream.

Dtc Check / Clear

DTC CHECK / CLEAR NOTICE: When the diagnosis system is changed from normal mode to check mode or vice versa, all DTCs and freeze frame data recorded in normal mode are cleared. Before changing m ...

Freeze Frame Data

FREEZE FRAME DATA 1. DESCRIPTION The ECM records vehicle and driving condition information as freeze frame data the moment a DTC is stored. When troubleshooting, freeze frame data can ...

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