OPERATION CHECK CHECK WINDOW DEFOGGER SYSTEM (a) Turn the power switch on (IG). (b) Check that the rear window defogger wire becomes warm by operating the rear window defogger switch of the radio and display receiver assembly. (c) When the vehicle is stopped, confirm that the window defogger system operation stops after approximately 15 minutes. NOTICE: If the auxiliary battery voltage becomes low, auxiliary battery load control will operate in order to ensure sufficient power is supplied to the power steering system. In this case, the window defogger system may not operate. HINT: The window defogger system is linked with the mirror heater function. |
Toyota Avalon (XX50) 2019-2022 Service & Repair Manual > Smart Key System(for Start Function, Hv Model): Check For Intermittent Problems
CHECK FOR INTERMITTENT PROBLEMS NOTICE: Operation history is stored in the RAM or EEPROM of the certification ECU (smart key ECU assembly). As the cause of a malfunction stored in the RAM will be cleared when the cable is disconnected from the negative (-) auxiliary battery terminal, do not disconne ...