FAIL-SAFE CHART
MALFUNCTION DETECTION
(a) Operation when malfunction is detected
Content | Operation | |
---|---|---|
Heater failure | Overcurrent detection of drive element | Heater output off |
Overheating detection of drive element | Heater output off | |
Power failure | Low-voltage detection | Heater output off |
Over-voltage detection | Heater output off | |
Heater OFF timer | 30 minutes after heated steering wheel system is turned on | Heater output off |
(b) Malfunction detection conditions
(1) When an open or short in the steering wheel heater unit thermistor continues for 2 seconds or more.
(2) When the steering heater switch is pressed continuously for 10 seconds or more.
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Cooling Fan Motor: Removal
REMOVAL CAUTION / NOTICE / HINT The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during cooling fan motor LH or cooling fan motor RH removal/installation are shown below. Necessary Procedures ...
Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Sfi System: Lost Communication with TCM Missing Message (U010187)
MONITOR DESCRIPTION The engine control unit and the transmission control unit are located inside the ECM. The engine control unit intercommunicates with the transmission control via CAN communication. If there is a problem in this communication, the ECM store this DTC. DTC No. Detection Item ...