- When in Normal mode or Customize Normal mode: vehicle is driven at 10 km/h (6 mph) or more when accelerating and driving noise is output.
- When in Sport or Customize Power mode: vehicle is starting off, or the engine is started.
Lexus NX: System Description
Lexus NX Service Manual / Audio & Visual & Telematics / Audio / Video / Asc System / 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 assembly with box.
The simulated engine sounds are calculated based on the vehicle information (driving mode, shift position and accelerator opening angle). The sounds can be turned on and off and the volume can be adjusted via operation of the vehicle sound switch.
(b) The following sounds can be output.
(1) Idling Sound
- When the vehicle is stopped or idling, a sound resembling an audible engine sound is output.
-
When the vehicle is stopped, accelerating at below 10 km/h (6 mph) or decelerating at 9 km/h (6 mph) or less, sound is output. Idling Sound Output Conditions
Item
Condition
Remark
*: Customize mode refers to when the following conditions are set on the multi-display customize setting screen.[Setup]→[Vehicle]→[Drive Mode Customization]→[Powertrain]→[Power] or [Normal] Drive mode
Normal
Sport
Customize*
The following conditions must be met:
Shift lever position
P, R, N, D, S
-
Vehicle speed
When accelerating: Below 10 km/h (6 mph)
When decelerating: 9 km/h (6 mph) or less
-
Gear
-
-
(2) Driving Sound
- When the vehicle is being driven, a sound resembling an audible engine sound (including sounds made when shifting gears) is output.
-
When the vehicle is accelerating at 10 km/h (6 mph) or more or decelerating at 9 km/h (6 mph) or more, sound is output. Driving Sound Output Conditions
Item
Condition
Remark
*: Customize mode refers to when the following conditions are set on the multi-display customize setting screen.[Setup]→[Vehicle]→[Drive Mode Customization]→[Powertrain]→[Power] or [Normal] Drive mode
Normal
Sport S
Customize*
-
Shift lever position
R, D, S
-
Vehicle speed
When accelerating: 10 km/h (6 mph) or more
When decelerating: 9 km/h (6 mph) or more
When the vehicle is determined to be driving at the speeds listed, the driving sound is output.
Gear
-
-
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How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use the following procedure to troubleshoot the ASC system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2.
Operation Check
OPERATION CHECK INSPECT ASC SYSTEM OPERATION CAUTION: Check for safety before performing any tests. HINT: When the drive mode changes to a mode other than NORMAL, SPORT or CUSTOMIZE*, the simulated en
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
SEE MORE:
Customize Parameters
CUSTOMIZE PARAMETERS CUSTOMIZE LIGHTING SYSTEM (INT) NOTICE:
When the customer requests a change in a function, first make sure that the function can be customized.
Record the current settings before customizing.
HINT: The following items can be customized. (a) Customizing with the GTS. (1)
Headlight switch
The headlights can be operated
manually or automatically.
Operating the switch turns on
the lights as follows:
Type A
The side marker, parking,
tail, license plate, instrument panel
lights, and daytime running lights turn on.
The headlights and all the
lights listed abov
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