Lexus NX: 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 engine sound stops.
*: 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]
(a) Idling sound inspection (except CUSTOMIZE mode)
(1) Turn the power switch on (READY).
(2) Turn the vehicle sound switch on.
(3) Select the SPORT drive mode.
(4) When either of the following conditions is met, check that the idling sound is output.
- After the power switch is turned on (READY), with the shift lever in P or N, the accelerator pedal is depressed to start the engine.
- The shift position is in D, S or R after starting off and the vehicle is driven at below 10 km/h (6 mph) when accelerating and at 9 km/h (6 mph) or less when decelerating.
HINT:
Check that the sound changes when the driving mode is changed from a mode other than ECO (non-operating condition), NORMAL (operating condition), or SPORT (operating condition).
(b) Idling sound inspection (CUSTOMIZE mode)
(1) Turn the power switch on (READY).
(2) Turn the vehicle sound switch on.
(3) Select the POWER customize mode using the multi-display assembly.
(4) When either of the following conditions is met, check that the idling sound is output.
- After the power switch is turned on (READY), with the shift lever in P or N, the accelerator pedal is depressed to start the engine.
- The shift position is in D, S or R after starting off and the vehicle is driven at below 10 km/h (6 mph) when accelerating and at 9 km/h (6 mph) or less when decelerating.
HINT:
Check that the sound changes when the driving mode is changed from a mode other than ECO (non-operating condition), NORMAL (operating condition) or POWER (operating condition).
(c) Driving sound inspection (except CUSTOMIZE mode)
(1) Turn the power switch on (READY).
(2) Turn the vehicle sound switch on.
(3) Select the NORMAL or SPORT drive mode.
(4) Move the shift lever to D, S or R and drive the vehicle at 10 km/h (6 mph) or more. According to the driving conditions (vehicle speed, accelerator pedal opening angle, etc.), check that simulated driving sounds resembling transmission up shifts and down shifts can be heard.
HINT:
Check that the sound changes when the driving mode is changed from a mode other than ECO (non-operating condition), NORMAL (operating condition) or SPORT (operating condition).
(d) Driving sound inspection (CUSTOMIZE mode)
(1) Turn the power switch on (READY).
(2) Turn the vehicle sound switch on.
(3) Select the NORMAL or POWER customize mode using the multi-display assembly.
(4) Move the shift lever to D, S or R and drive the vehicle at 10 km/h (6 mph) or more. According to the driving conditions (vehicle speed, accelerator pedal opening angle, etc.), check that simulated driving sounds resembling transmission up shifts and down shifts can be heard.
HINT:
Check that the sound changes when the driving mode is changed from a mode other than ECO (non-operating condition), NORMAL (operating condition) or POWER (operating condition).
READ NEXT:
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
Terminals Of Ecu
TERMINALS OF ECU CHECK STEREO COMPONENT EQUALIZER ASSEMBLY (a) Measure the voltage and resistance according to the value(s) in the table below. Terminal No. (Symbol) Wiring Color Terminal Desc
Dtc Check / Clear
DTC CHECK / CLEAR DTC CHECK USING Techstream (a) Connect the Techstream to the DLC3. (b) Turn the power switch on (IG). (c) Turn the Techstream on. (d) Enter the following menus: Body Electrical / ASC
SEE MORE:
How To Proceed With Troubleshooting
CAUTION / NOTICE / HINT HINT:
Use these procedures to troubleshoot the lane tracing assist system.
*: Use the Techstream.
PROCEDURE 1. VEHICLE BROUGHT TO WORKSHOP
NEXT 2. INSPECT AUXILIARY BATTERY VOLTAGE (a) Measure the auxiliary battery voltage with the p
If your vehicle needs to be towed
If towing is necessary, we recommend
having your vehicle towed by
your Lexus dealer or commercial
towing service, using a wheel-lift
type truck or flatbed truck.
Use a safety chain system for all
towing, and abide by all state/provincial
and local laws.
If towing your vehicle with a whee
