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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ECU Malfunction (C1611)
DESCRIPTION If the clearance warning ECU assembly detects an internal malfunction during self-diagnosis, DTC C1611 is stored. DTC No. Detection Item DTC Detection Condition Trouble Area C1611 ECU Malfunction
Sub-CPU abnormal signal
Mirror check abnormal
Clearance warning E
Installation
INSTALLATION PROCEDURE 1. INSTALL REAR NO. 3 SPEAKER ASSEMBLY NOTICE: Do not touch the cone of the speaker. (a) Temporarily install the speaker by attaching the clip of the speaker to the back door panel. (b) Install the rear speaker assembly with the 4 bolts. HINT: Tighten the bolts
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