Lexus NX: Asc System
- Parts Location
- System Diagram
- System Description
- How To Proceed With Troubleshooting
- Operation Check
- Problem Symptoms Table
- Terminals Of Ecu
- Dtc Check / Clear
- Freeze Frame Data
- Fail-safe Chart
- Data List / Active Test
- Diagnostic Trouble Code Chart
- Speaker Circuit (B1360)
- Volume Switch Circuit (B1361)
- ECU Malfunction (B1362)
- Lost Communication with Brake System Control Module (U0129,U0142,U0293)
- Main Switch Circuit
- Power Source Circuit
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Parts Location
PARTS LOCATION ILLUSTRATION *1 VEHICLE SOUND SWITCH *2 STEREO COMPONENT EQUALIZER ASSEMBLY *3 NO. 1 SPEAKER ASSEMBLY WITH BOX *4 HYBRID VEHICLE CONTROL ECU *5 MAIN BODY ECU (
System Diagram
SYSTEM DIAGRAM Communication Table Sender Receiver Signal Line Brake booster with master cylinder assembly (skid control ECU) Stereo component equalizer assembly Vehicle speed signal
System Description
SYSTEM DESCRIPTION ASC SYSTEM (a) The ASC system uses a stereo component equalizer assembly to electronically generate a driving sound. Simulated engine sounds are output from the No. 1 speaker assemb
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Disassembly
DISASSEMBLY PROCEDURE 1. REMOVE BACK DOOR UPPER OUTSIDE GARNISH LH (a) Remove the screw and back door upper outside garnish LH. 2. REMOVE BACK DOOR UPPER OUTSIDE GARNISH RH HINT: Use the same procedure described for the LH side. 3. REMOVE BACK DOOR NO. 1 GARNISH RETAINER (a) Remove
Problem Symptoms Table
PROBLEM SYMPTOMS TABLE NOTICE:
If no problem symptoms are found when a DTC is output in the DTC check on the lane tracing assist, check each symptom by checking the suspected areas in the order they are listed.
When replacing the combination meter assembly, always replace it with a new one. If
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