PROCEDURE
(a) Check that the display is not in screen off mode. OK: The display setting is not in screen off mode.
(a) Check that the screen color quality can be set. OK: Setting is possible.
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Toyota Avalon Service & Repair Manual > Hybrid Control System: Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) The hybrid vehicle control ECU has a self-diagnosis system. If the computer, hybrid control system, or a component is not working properly, the ECU records the conditions that relate to the fault. The ECU also illuminates the master warning light in the combination m ...