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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 mainte-
nance setting selected.
●
The initialization (engine oil data resetting) of the recorded value can be per-
formed using the following procedure:
1
Switch the ignition OFF.
2
Switch the ignition ON with the selec-
tor pressed, and press and hold the
selector for about 5 seconds until the
master warning light
3
After the master warning light
flashes for several seconds, the ini-
tialization is completed.
YARIS_SEDAN_OM_OM99M18z_(U)
5-2. Scheduled Maintenance
flashes.
447
Selector
5
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