Lexus RX (RX 350L, RX450h) 2016-2022 Repair Manual: Operation Check

OPERATION CHECK

Self-diagnosis System

(a) When a malfunction occurs in the intuitive parking assist system or the system cannot be used, a warning is displayed on the multi-information display, each indicator blinks or is illuminated, and the meter buzzer sounds to inform the driver that the system is unavailable.

Warning Item

Multi-information Display

Indicator/Meter Buzzer Condition

Static objects function malfunction

Parking Assist Malfunction Visit Your Dealer

  • Clearance sonar OFF indicator: Blinks
  • Master warning indicator: Illuminates
  • Meter buzzer: Sounds

Ultrasonic sensor dirty, frozen or open circuit

Parking Assist Unavailable Clean Parking Assist Sensor

  • Clearance sonar OFF indicator: Blinks
  • Master warning indicator: Illuminates
  • Meter buzzer: Sounds

Parking support alert communication malfunction

Parking Assist Unavailable

  • Clearance sonar OFF indicator: Blinks
  • Master warning indicator: Illuminates
  • Meter buzzer: Sounds

DETECTION RANGE MEASUREMENT

NOTICE:

Perform the following measurement and inspection with the shift lever in a position other than P. Be sure to apply the parking brake and depress the brake pedal firmly to prevent the vehicle from moving.

(a) Turn the engine switch on (IG).

(b) Turn the intuitive parking assist system on.

(c) Detection range measurement:

(1) Move the shift lever according to the table below.

Measurement Area

Shift Lever Position

Front Corner

In any position other than P

Front Center

In any position other than P or R

Rear Corner

R

Rear Center

(2) Move a 60 mm (2.4 in.) diameter pole near each sensor to measure its detection range. When measuring the longest-range detection of the front center sonar and the rear center sonar, use a wall or equivalent.

NOTICE:

These detection ranges are applicable when positioning the 60 mm (2.4 in.) diameter pole parallel or perpendicular to the ground. The detection range varies depending on the measuring method and type of obstacle (such as walls).

HINT:

Have an assistant move the pole.

Corner Sonar Detection Range

*A

w/o Rear No. 2 Seat

-

-

*a

Approximately 1000 mm (39.4 in.)

*b

Approximately 900 mm (35.4 in.)

*c

Approximately 400 mm (15.7 in.)

*d

Approximately 400 mm (15.7 in.)

*e

Approximately 400 mm (15.7 in.)

*f

Approximately 400 mm (15.7 in.)

*g

Approximately 200 mm (7.9 in.)

*h

Approximately 200 mm (7.9 in.)

Corner Sonar Detection Range

*A

w/ Rear No. 2 Seat

-

-

*a

Approximately 1000 mm (39.4 in.)

*b

Approximately 900 mm (35.4 in.)

*c

Approximately 400 mm (15.7 in.)

*d

Approximately 400 mm (15.7 in.)

*e

Approximately 400 mm (15.7 in.)

*f

Approximately 400 mm (15.7 in.)

*g

Approximately 200 mm (7.9 in.)

*h

Approximately 200 mm (7.9 in.)

NOTICE:

The ultrasonic sensor side view detection range (hatched area labeled (B)) represents the cross section of the top view detection range (A). The hatched area (B) does not represent the entire side view detection range.

Front Center Sonar Detection Range

*A

w/o Rear No. 2 Seat

-

-

*a

Approximately 2000 mm (78.7 in.)

*b

Approximately 1000 mm (39.4 in.)

*c

Approximately 200 mm (7.9 in.)

*d

Approximately 500 mm (19.7 in.)

*e

Approximately 200 mm (7.9 in.)

-

-

*A

w/ Rear No. 2 Seat

-

-

*a

Approximately 2000 mm (78.7 in.)

*b

Approximately 1000 mm (39.4 in.)

*c

Approximately 200 mm (7.9 in.)

*d

Approximately 500 mm (19.7 in.)

*e

Approximately 200 mm (7.9 in.)

-

-

Rear Center Sonar Detection Range

*A

w/o Rear No. 2 Seat

-

-

*a

Approximately 1900 mm (74.8 in.)

*b

Approximately 1300 mm (51.2 in.)

*c

Approximately 1500 mm (59.1 in.)

*d

Approximately 500 mm (19.7 in.)

*e

Approximately 200 mm (7.9 in.)

-

-

*A

w/ Rear No. 2 Seat

-

-

*a

Approximately 1900 mm (74.8 in.)

*b

Approximately 1300 mm (51.2 in.)

*c

Approximately 1500 mm (59.1 in.)

*d

Approximately 500 mm (19.7 in.)

*e

Approximately 200 mm (7.9 in.)

-

-

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