Lexus NX: Problem Symptoms Table
Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Asc System / 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 symptom 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 |
|---|---|---|
| Simulated engine sounds cannot be heard. | Proceed to "Power Source Circuit" | |
| Proceed to "Main Switch Circuit" | | |
| No. 1 speaker assembly with box | | |
| Stereo component equalizer assembly | | |
| Vehicle sound switch indicator does not illuminate. | Vehicle sound switch | |
| Harness or connector | - |
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Terminals Of Ecu
TERMINALS OF ECU CHECK STEREO COMPONENT EQUALIZER ASSEMBLY (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Desc
Dtc Check / Clear
DTC CHECK / CLEAR DTC CHECK USING Techstream (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 / ASC
Freeze Frame Data
FREEZE FRAME DATA FREEZE FRAME DATA (a) Whenever an ASC system DTC is stored, the stereo component equalizer assembly stores the current vehicle state as freeze frame data. CHECK FREEZE FRAME DATA (a)
SEE MORE:
Short in P/T Squib (LH) Circuit (B1905-B1908)
DESCRIPTION The front pretensioner LH circuit consists of the airbag ECU assembly and front seat outer belt assembly LH. This circuit instructs the SRS to deploy when deployment conditions are met. These DTCs are stored when a malfunction is detected in the front pretensioner LH circuit. DTC No.
Components
COMPONENTS ILLUSTRATION *1 DECK FLOOR BOX LH *2 NO. 3 DECK BOARD SUB-ASSEMBLY *3 REAR DECK FLOOR BOX *4 NEGATIVE AUXILIARY BATTERY TERMINAL N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 ECU INTEGRATION BOX RH *2 GLOVE COMPARTMENT DOOR ASSEMBL
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