Toyota Yaris: Engine Oil / Vehicle Engine Control Unit Reset Procedure

Toyota Yaris XP210 (2020-2023) Owner's Manual / Maintenance and Care / Owner Maintenance / Engine Oil / Vehicle Engine Control Unit Reset Procedure

After replacing the engine oil, have a repair shop such as your Toyota dealer perform the initialization (engine oil data resetting) of the recorded value. If the value recorded by the computer is not initialized, the wrench indicator light may not turn off or it may turn on earlier than normal.

This procedure is intended for vehicles with the engine oil flexible maintenance setting selected.
The initialization (engine oil data resetting) of the recorded value can be performed using the following procedure:

Switch the ignition OFF.
Switch the ignition ON with the selector pressed and continue pressing the selector for about 5 seconds until the master warning light flashes.
After the master warning light flashes for several seconds, the initialization is completed.

Toyota Yaris. Vehicle Engine Control Unit Reset Procedure

Recommended Oil

Use SAE 0W-20 engine oil. Toyota Genuine Motor Oil is used in your Toyota vehicle. Toyota Genuine Motor Oil 0W-20 is required to achieve optimum fuel economy...

Inspecting Engine Oil Level

Be sure the vehicle is on a level surface. Warm up the engine to normal operating temperature. Turn it off and wait at least 5 minutes for the oil to return to the oil pan...

Other information:

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Components

COMPONENTS ILLUSTRATION *A for Driver Side *B for Front Passenger Side *1 FRONT DOOR LOWER FRAME BRACKET GARNISH *2 MULTIPLEX NETWORK MASTER SWITCH ASSEMBLY WITH FRONT ARMREST BASE UPPER PANEL *3 POWER WINDOW REGULATOR SWITCH ASSEMBLY WITH FRONT ARMREST BASE UPPER PANEL *4 FRONT DOOR TRIM GARNISH *5 FRONT DOOR TRIM BOARD SUB-ASSEMBLY *6 FRONT DOOR GLASS INNER WEATHERSTRIP ILLUSTRATION *A for Driver Side - - *1 FRONT DOOR SERVICE HOLE COVER *2 FRONT DOOR OUTSIDE HANDLE ASSEMBLY *3 FRONT DOOR LOCK CYLINDER ASSEMBLY *4 FRONT DOOR WITH MOTOR LOCK ASSEMBLY *5 FRONT DOOR LOCK OPEN LEVER REMOTE CONTROL CABLE *6 FRONT DOOR LOCK/UNLOCK KNOB INSIDE LOCKING CABLE *7 DOOR LOCK WIRING HARNESS SEAL *8 FRONT DOOR SERVICE HOLE COVER CLIP *9 HOLE PLUG - - N*m (kgf*cm, ft...

Toyota Yaris XP210 (2020-2023) Reapir and Service Manual: Front Left Microphone Circuit Component Internal Failure (B1AA296,B1AA31C)

DESCRIPTION These DTCs are stored when a malfunction occurs in the active noise control microphone LH system. DTC No. Detection Item DTC Detection Condition Trouble Area B1AA296 Front Left Microphone Circuit Component Internal Failure Stereo component equalizer assembly detects malfunction in active noise control microphone LH for 4 seconds or more continuously when engine speed is 1200 rpm or more* Harness or connector Active noise control microphone LH Stereo component equalizer assembly B1AA31C Front Left Microphone Circuit Circuit Voltage Out of Range Stereo component equalizer assembly detects active noise control microphone LH connection malfunction for 4 seconds or more continuously* Harness or connector Active noise control microphone LH Stereo component equalizer assembly HINT: *: Malfunction monitoring is not performed under the following conditions, in order to prevent erroneous detection...