Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual: Fail-safe Chart
FAIL-SAFE CHART
If a problem occurs in the power steering system, the power steering assist will be stopped or the amount of power assist will be decreased to protect the system.
Power Steering System
Malfunction | Fail-safe Operation | EPS warning light | Buzzer |
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Torque sensor (electric power steering column sub-assembly) malfunction
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Power steering motor (power steering ECU assembly) malfunction
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Power steering ECU assembly malfunction
| Power steering assist stops or assist amount is limited | Red or yellow | Sounds intermittently or once |
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Vehicle speed signal malfunction
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Skid control ECU (brake actuator assembly) malfunction
| Power steering assist is temporarily limited | Yellow | Sounds once |
HINT:
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If the power steering assist stops, the EPS warning light comes on (red).
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If the amount of power assist is reduced, the EPS warning light comes on (yellow) and a vibration or sound may occur.
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The amount of power assist may be decreased to prevent the motor and ECUs from overheating if the steering wheel is continuously turned when the vehicle is either stopped or being driven at a low speed, or if the steering wheel is kept at either full lock position for a long time. In such cases, the amount of power assist returns to normal when the steering wheel is not turned for approximately 10 minutes with the engine idling.
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If the battery is not sufficiently charged or the voltage decreases temporarily, the amount of power assist will be reduced and the EPS warning light will come on. In such cases, the amount of power assist returns to normal when the battery voltage recovers.
DESCRIPTION If the power steering ECU assembly detects a malfunction, the power steering ECU assembly stores a DTC and illuminates the EPS warning light. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTIC ...
FREEZE FRAME DATA FREEZE FRAME DATA NOTICE:
It is difficult to show the specified values (judgment values) clearly because freeze frame data values change significantly due to differences in measur ...
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Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Horn: Horn
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Lexus RX (RX 350L, RX450h) 2016-2024 Repair Manual > Rear Brake: Reassembly
REASSEMBLY CAUTION / NOTICE / HINT NOTICE:
If the rear disc brake cylinder assembly has been disassembled, perform air bleeding for the rear disc brake cylinder assembly.
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Make sure not to scratch, damage or apply excessive force to any of the internal components of the rear disc br ...
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Owners Manual
Lexus RX (RX 350L, RX450h) 2016-{YEAR} Repair Manual