(a) Clear the DTC (See page ES-38).
(b) Start the engine.
ES–274 2AZ-FE ENGINE CONTROL SYSTEM – SFI SYSTEM
(c) Allow the engine to idle for 20 seconds or more after running the engine at more than 3,000 rpm for 20 seconds.
(d) Turn the ignition switch off. Let the engine remain stopped for 20 seconds.
HINT:
As running the engine to 3,000 rpm, the IMRV usually becomes fully opened. If the ignition switch is turned off under this condition, the IMRV is fully closed and then becomes half-opening angle.
(e) Connect the intelligent tester to the DLC3.
(f) Turn the ignition switch to the ON position.
(g) Enter the following menus: DIAGNOSIS / ENHANCED
ES
OBD II / DTC INFO / CURRENT CODES.