Lexus RX (RX 350L, RX450h) 2016-2025 Repair Manual: Problem Symptoms Table
PROBLEM SYMPTOMS TABLE
HINT:
- Use the table below to help determine the cause of problem symptoms. If multiple suspected areas are listed, the potential causes of the symptoms are listed in order of probability in the "Suspected Area" column of the table. Check each symptom by checking the suspected areas in the order they are listed. Replace parts as necessary.
- Inspect the fuses and relays related to this system before inspecting the suspected areas below.
| Symptom | Suspected Area | Link |
|---|---|---|
| Even when the wireless charging system is turned on, the indicator light (green) does not illuminate | Wireless charger power source circuit | |
| Mobile wireless charger cradle assembly | | |
| When the wireless charging system is turned on, the indicator (green) illuminates, but the indicator (amber) does not illuminate when a rechargeable device is placed on the charging area (wireless charging does not start) | Check that the device being used is a Qi-compatible rechargeable device | - |
| Remove any cases and accessories | - | |
| Check that there is no gap between the rechargeable device and the charging area | - | |
| Check that there is no foreign matter between the rechargeable device and the charging area | - | |
| Check that the rechargeable device is not fully charged | - | |
| Check that the rechargeable device is centered on the charging area | - | |
| Check that the rechargeable device is placed on the charging area with its charging surface facing down | - | |
| Check that the vehicle is not in an environment where it may be affected by strong radio waves or electrical noise | - | |
| Check if more than 1 rechargeable device is placed on the charging area | - | |
| Check that a charging cable is not connected to the rechargeable device | - | |
| Check that temperature of the rechargeable device is not excessively high or low | - | |
| Check if wireless charging of the rechargeable device is possible using another Qi-compatible wireless charging system | - | |
| Check if wireless charging is possible using another Qi-compatible rechargeable device | - | |
| Status signal circuit | | |
| Mobile wireless charger cradle assembly | | |
| When the wireless charging system is turned on, the indicator (green) illuminates and when a rechargeable device is placed on the charging area, the indicator (amber) illuminates, but the indicator (green) illuminates again before wireless charging is completed (wireless charging does not complete) | Check if the rechargeable device has not been moved out of the charging area | - |
| Check that temperature of the rechargeable device is not excessively high or low | - | |
| Check that the vehicle is not in an environment where it may be affected by strong radio waves or electrical noise | - | |
| Status signal circuit | | |
| Mobile wireless charger cradle assembly | | |
| Even when the light control switch is turned to the tail or head position, the mobile wireless charger switch does not illuminate | Wireless charger illumination circuit | |
| Mobile wireless charger cradle assembly | | |
| Even when the using rheostat, the mobile wireless charger switch does not dim | Wireless charger illumination circuit | |
| Mobile wireless charger cradle assembly | | |
| The indicator light (amber) blinks (pattern 1)* | Status signal circuit | |
| Mobile wireless charger cradle assembly | | |
| The indicator light (amber) blinks (pattern 2)* | Check if the charging frequency is being changed | |
| Mobile wireless charger cradle assembly | | |
| The indicator light (amber) blinks (pattern 3)* | Check that the device being used is a Qi-compatible rechargeable device | - |
| Remove any cases and accessories | - | |
| Check that there is no gap between the rechargeable device and the charging area | - | |
| Check that there is no foreign matter between the rechargeable device and the charging area | - | |
| Check that the rechargeable device is centered on the charging area | - | |
| Check that the rechargeable device is in the same position as when charging was started | - | |
| Mobile wireless charger cradle assembly | | |
| The indicator light (amber) blinks (pattern 4)* | Check that temperature of the mobile wireless charger cradle assembly is not excessively high | - |
| Mobile wireless charger cradle assembly | |
-
*: For details about the indicator blinking patterns
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Operation Check
OPERATION CHECK WIRELESS CHARGING SYSTEM OPERATION CHECK (a) Turn the engine switch on (IG or ACC). *a Mobile Wireless Charger Switch *b Indicator Light (Green/Amber) *c Charging Are ...
Terminals Of Ecu
TERMINALS OF ECU MOBILE WIRELESS CHARGER CRADLE ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
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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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