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 |
|---|---|---|
| Front power seat does not operate with front power seat switch. | Proceed to "Front Power Seat does not Operate with Front Power Seat Switch" | |
| One or more power seat motors do not operate. | Proceed to "One or More Power Seat Motors do not Operate" | |
| Power seat position is not memorized. | Proceed to "Power Seat Position is not Memorized" | |
| Power seat does not return to memorized position. | Proceed to "Power Seat does not Return to Memorized Position" | |
| Wireless transmitter memory function does not operate. | Proceed to "Wireless Transmitter Memory Function does not Operate" | |
| Wireless-linked return function does not operate. | Proceed to "Wireless-linked Return Function does not Operate" | |
| Power seat power easy access system function does not operate. | Proceed to "Power Seat Power Easy Access System Function does not Operate" | |
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Terminals Of Ecu
TERMINALS OF ECU CHECK FRONT POWER SEAT SWITCH LH (a) Disconnect the g11 and g12 front power seat switch LH connectors. (b) Measure the voltage and resistance according to the value(s) in the table b
Diagnosis System
DIAGNOSIS SYSTEM DESCRIPTION (a) Front power seat control system (w/ Memory) data and Diagnostic Trouble Codes (DTCs) can be read through the Data Link Connector 3 (DLC3) of the vehicle. When the syst
Dtc Check / Clear
DTC CHECK / CLEAR CHECK DTC (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / Driver Seat / Troubl
SEE MORE:
Software Incompatibility with Brake System Control Module Invalid/Incompatible Software Component (U031857)
DESCRIPTION If the vehicle information stored in the forward recognition camera does not match the vehicle information sent from the skid control ECU (brake booster with master cylinder assembly), the forward recognition camera stores DTC U031857. DTC No. Detection Item DTC Detection Conditio
Removal
REMOVAL PROCEDURE 1. DISABLE AUTOAWAY/RETURN FUNCTION (for Power Tilt and Power Telescopic Steering Column) (a) Disable the autoaway/return function by changing the customize parameter. Click here CAUTION: Record the current customize parameter setting (whether the autoaway/return function is enab
