FAIL-SAFE CHART FAIL-SAFE FUNCTION (a) When a malfunction occurs in the tire pressure warning system, the tire pressure warning light illuminates after blinking for 1 minute to inform the driver of the system failure. (b) As a result of this, tire pressure monitoring is disabled and a DTC is stored in the tire pressure warning ECU and receiver. (c) When there is a system malfunction, the value of each related tire is not displayed. 
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Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Hybrid Control System: Drive Motor "A" Control Module Unexpected Operation (P0A1B94)
DTC SUMMARY MALFUNCTION DESCRIPTION The hybrid vehicle control ECU monitors the motor generator control ECU (MG ECU). The cause of this malfunction may be the following: Motor generator control ECU internal malfunction Motor generator control ECU (MG ECU) malfunction DESCRIPTION The hybrid vehicle c ...
