Lexus NX: 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 does not illuminate green. | Proceed to "Wireless Charger Power Source Circuit" | |
| Mobile wireless charger cradle assembly | | |
| When the wireless charging system is turned on, the indicator illuminates in green, but even when a portable device is placed in the charging area, the indicator does not illuminate in amber (charging does not start). | Check that the device being used is Qi-compatible. | - |
| When a case or accessory is attached to the device, check that the case or accessory is Qi-compatible. | - | |
| Check that there is no gap between the Qi-compatible device, case or accessory and the charging area. | - | |
| Check that there are no foreign objects between the Qi-compatible device, case or accessory and the charging area. | - | |
| Check that the Qi-compatible device is not fully charged. | - | |
| Check that the Qi-compatible device is near the center of the charging area. | - | |
| Check that the charging area of the Qi-compatible device is facing down. | - | |
| Check that there is no equipment in the surrounding area generating strong radio waves. | - | |
| Check that there is only one Qi-compatible device in the charging area. | - | |
| Check that the charging cable is not connected to the Qi-compatible device. | - | |
| Check that the temperature around the Qi-compatible device is within the usable range. | - | |
| Check that the portable device can be charged with another Qi-compatible charger. | - | |
| Check that charging works with other Qi-compatible devices. | - | |
| Proceed to "Status Signal Circuit" | | |
| Mobile wireless charger cradle assembly | | |
| When the wireless charging system is turned on, the indicator illuminates in green. Afterward, when a portable device is placed in the charging area, the indicator illuminates in amber, but the indicator turns green before charging completes (charging does not complete). | Check that the Qi-compatible device is not moved outside the charging area. | - |
| Check that the temperature around the Qi-compatible device is within the usable range. | - | |
| Check that there is no equipment in the surrounding area generating strong radio waves. | - | |
| Proceed to "Status Signal Circuit" | | |
| Mobile wireless charger cradle assembly | | |
| Even when the headlight dimmer switch assembly is set to TAIL or HEAD, the wireless charger switch nighttime illumination does not light up and the indicator does not dim. | Proceed to "Wireless Charger Illumination Circuit" | |
| Mobile wireless charger cradle assembly | | |
| The indicator blinks in amber (pattern 1)* | Proceed to "Status Signal Circuit" | |
| Mobile wireless charger cradle assembly | | |
| The indicator blinks in amber (pattern 2)* | Check that the charging frequency is not changing. | - |
| Mobile wireless charger cradle assembly | | |
| The indicator blinks in amber (pattern 3)* | Check that there is no gap between the Qi-compatible device, case or accessory and the charging area. | - |
| When a case or accessory is attached to the device, check that the case or accessory is Qi-compatible. | - | |
| Check that there are no foreign objects between the Qi-compatible device, case or accessory and the charging area. | - | |
| Check that the Qi-compatible device is near the center of the charging area. | - | |
| Check that the Qi-compatible device is not moved from the position it was in when charging started. | - | |
| Mobile wireless charger cradle assembly | | |
| The indicator blinks in amber (pattern 4)* | Check that the internal temperature of the charger has not increased due to a malfunction. | - |
| Mobile wireless charger cradle assembly | |
-
*: For the indicator blinking patterns,
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Terminals Of Ecu
TERMINALS OF ECU MOBILE WIRELESS CHARGER CRADLE ASSEMBLY Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition
*1: When the power switch is turned from
Wireless Charger Power Source Circuit
DESCRIPTION This is the power source circuit to operate the mobile wireless charger cradle assembly. WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this syst
Status Signal Circuit
DESCRIPTION This circuit sends a charging stop signal from the certification ECU (smart key ECU assembly) to the mobile wireless charger cradle assembly. Based on this signal, the wireless charging sy
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Terminals Of Ecu
TERMINALS OF ECU HEADUP DISPLAY (METER MIRROR SUB-ASSEMBLY) (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Description Condition Specified Condition J5-1 (IG) - Body ground B - Body ground Power swi
Precaution
PRECAUTION PRECAUTIONS FOR BLIND SPOT MONITOR SYSTEM (a) The blind spot monitor function may not detect vehicles correctly in the following conditions: (1) When the sensor is misaligned due to a strong impact to the sensor or its surrounding area. (2) When mud, snow, ice, a sticker, etc. is covering
