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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Power (ignition) switch
Performing the following operations
when carrying the electronic
key on your person starts the hybrid
system or changes power switch
modes.
Starting the hybrid system
1. Check that the parking brake is set.
2. Check that the shift lever is in P.
3. Firmly depress the brake pedal.
and
Diagnosis System
DIAGNOSIS SYSTEM CHECK DLC3 (a) Check the DLC3. Click here INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the power switch off. Standard voltage: 11 to 14 V If the voltage is below 11 V, recharge or replace the auxiliary battery.
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