Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual: Fail-safe Chart
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.
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT: Use these procedures to troubleshoot the heated steering wheel system. PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. INSPECT BATTERY VO ...
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Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Trip Switch: Inspection
INSPECTION PROCEDURE 1. INSPECT TRIP SWITCH (a) Measure the resistance according to the value(s) in the table below. Standard Resistance: Tester Connection Condition Specified Condition 5 (RV) - 7 (E) Light control rheostat up switch pressed Below 1 Ω Light control rheostat u ...
Lexus RX (RX 350L, RX450h) 2016-2026 Repair Manual > Rear Power Seat Control System(for Second Row): Precaution
PRECAUTION POWER FOLDING SEAT FUNCTION HANDLING PRECAUTIONS NOTICE:
When a rear power seat is operating, make sure that the area around the seat is free of obstructions.
When a rear power seat is operating, be careful not to allow any part of your body or foreign objects to interfere with the s ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
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Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual
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