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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Installation
INSTALLATION CAUTION / NOTICE / HINT HINT:
Use the same procedure for the RH and LH sides.
The following procedure is for the LH side.
NOTICE:
Because the RH side flexible hose and LH side flexible hose are not interchangeable, verify the part number when installing the rear flexible hose
Master Reservoir Level Malfunction (C1202)
DESCRIPTION When a fluid level drop in the brake master cylinder reservoir assembly is detected, a signal is sent to the skid control ECU (brake booster with master cylinder assembly). If a DTC for the fluid level drop is stored, the warning will be canceled and the DTC will be cleared when the flui
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