TOYOTA PARKING ASSIST-SENSOR SYSTEM(except Sedan) OPERATION CHECK


  1. MALFUNCTION DISPLAY (MULTI-INFORMATION DISPLAY)


    1. Open circuit indication


      1. If there is an open circuit between the ultrasonic sensor and the clearance warning ECU assembly or a sensor is malfunctioning, the malfunction is displayed as shown in the illustration.

        A01LZN5E02

        Tech Tips


        • When a malfunction is detected, bars for all detection areas shown in the illustration blink.

        • If a sensor has an open circuit, check for DTCs and troubleshoot according to each inspection procedure.

          Click here

  2. MALFUNCTION DISPLAY (MULTI-DISPLAY)


    1. Open circuit indication


      1. If there is an open circuit between the ultrasonic sensor and the clearance warning ECU assembly or a sensor is malfunctioning, the malfunction is displayed as shown in the illustration.

        A01LVSNC01
        *a

        When the shift lever is not in R*1

        When the shift lever is not in P or R*2

        		 *b When the shift lever is in R

        • *1: for EA66, EC60, EC61, EC6A or EC69

        • *2: for K313

        Tech Tips


        • When a malfunction is detected, bars for all detection areas shown in the illustration blink.

        • If a sensor has an open circuit, check for DTCs and troubleshoot according to each inspection procedure.

          Click here

  3. DETECTION RANGE MEASUREMENT AND DISPLAY INSPECTION

    Note

    While performing the following measurement and inspection, make sure to depress the brake pedal to prevent the vehicle from moving. (The parking brake should be released.) (for EA66, EC60, EC61, EC6A, or EC69)

    The following measurement and inspection will be performed 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. (for K313)


    1. Turn the ignition switch to ON.

    2. Turn the TOYOTA parking assist-sensor system on.

    3. Detection range measurement:


      1. When measuring the detection range of the front sonar, move the shift lever to any position other than P. (for K313)

      2. When measuring the detection range of the rear sonar, move the shift lever to R.

      3. Move a 60 mm (2.36 in.) diameter pole near each sensor to measure its detection range.

        Note

        These detection ranges are applicable when positioning the 60 mm (2.36 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).

        Tech Tips

        Have an assistant move the pole.

        Figure 1. Corner Sonar (for Hatchback)

        A01LW00C01
        *a Approx. 500 mm (19.7 in.) *b Approx. 650 mm (25.6 in.)
        *c Approx. 550 mm (21.7 in.) *d Approx. 100 mm (3.9 in.)
        *e A *f B

        Figure 2. Corner Sonar (for Wagon)

        A01LX9SC01
        *a Approx. 500 mm (19.7 in.) *b Approx. 650 mm (25.6 in.)
        *c Approx. 550 mm (21.7 in.) *d Approx. 100 mm (3.9 in.)
        *e A *f B

        Note

        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 (A) does not represent the entire side view detection range.

        Figure 3. Center Sonar (for Hatchback)

        A01M0U9C02
        *a Approx. 1000 mm (39.4 in.) *b Approx. 1500 mm (59.1 in.)
        *c Approx. 650 mm (25.6 in.) *d Approx. 100 mm (3.9 in.)
        *e Wall - -

        Figure 4. Center Sonar (for Wagon)

        A01LYSAC01
        *a Approx. 1000 mm (39.4 in.) *b Approx. 1500 mm (59.1 in.)
        *c Approx. 650 mm (25.6 in.) *d Approx. 100 mm (3.9 in.)
        *e Wall - -

        Figure 5. Front Side Sonar (for Hatchback)

        A01LVXNC01
        *a Approx. 250 mm (9.8 in.) *b Approx. 400 mm (15.7 in.)
        *c Approx. 100 mm (3.9 in.) - -

        Figure 6. Front Side Sonar (for Wagon)

        A01LXQCC01
        *a Approx. 250 mm (9.8 in.) *b Approx. 400 mm (15.7 in.)
        *c Approx. 100 mm (3.9 in.) - -

    4. Front side sonar display and buzzer operation check


      1. When the No. 2 ultrasonic sensors (front side LH/RH) have detected an obstacle, check the displays and check that the No. 1 clearance warning buzzer sounds.

        Operation Condition
        Ignition Switch TOYOTA Parking Assist-sensor System Shift Lever Position Vehicle Speed Parking Brake
        ON On

        When the shift lever is not in R*1

        When the shift lever is not in P or R*2

        		 Less than 10 km/h (6 mph) Released*1
        ON On R - -

        • *1: for EA66, EC60, EC61, EC6A or EC69

        • *2: for K313

        A01LVM4C02
        *a Multi-information Display *b Multi-display
        *c Example (Front Side Sonar) *d Close-range Detection
        *e

        When the shift lever is not in R*1

        When the shift lever is not in P or R*2

        		 *f When the shift lever is in R

        • *1: for EA66, EC60, EC61, EC6A or EC69

        • *2: for K313

        A01LY8KE14

        Tech Tips

        Ultrasonic waves are used to measure the detection range; however, the detection range may vary depending on the ambient temperature.

      2. Front corner sonar display and buzzer operation check


        1. When the No. 1 ultrasonic sensors (front corner LH/RH) have detected an obstacle, check the displays and check that the No. 1 clearance warning buzzer sounds.

        3. Operation Condition
        Ignition Switch TOYOTA Parking Assist-sensor System Shift Lever Position Vehicle Speed Parking Brake
        ON On

        When the shift lever is not in R*1

        When the shift lever is not in P or R*2

        		 Less than 10 km/h (6 mph) Released*1
        ON On R - -

        • *1: for EA66, EC60, EC61, EC6A or EC69

        • *2: for K313

        A01LVDOC02
        *a Multi-information Display *b Multi-display
        *c Example (Front Corner Sonar) *d Close-range Detection
        *e Medium-range Detection *f Long-range Detection
        *g

        When the shift lever is not in R*1

        When the shift lever is not in P or R*2

        		 *h When the shift lever is in R

        • *1: for EA66, EC60, EC61, EC6A or EC69

        • *2: for K313

        A01LY8KE15

        Tech Tips

        Ultrasonic waves are used to measure the detection range; however, the detection range may vary depending on the ambient temperature.

      3. Front center sonar display and buzzer operation check


        1. When the No. 1 ultrasonic sensors (front center LH/RH) have detected an obstacle, check the display and check that the No. 1 clearance warning buzzer sounds.

        4. Operation Condition
        Ignition Switch TOYOTA Parking Assist-sensor System Shift Lever Position Vehicle Speed Parking Brake
        ON On

        When the shift lever is not in R*1

        When the shift lever is not in P or R*2

        		 Less than 10 km/h (6 mph) Released*1
        ON On R - -

      • *1: for EA66, EC60, EC61, EC6A or EC69

      • *2: for K313

      A01M2GLC01
      *a Multi-information Display *b Multi-display
      *c Example (Front Center Sonar) *d Close-range Detection
      *e Medium-range Detection *f Long-range Detection
      *g Longest-range Detection - -
      A01LYY5E11

      Tech Tips

      Ultrasonic waves are used to measure the detection range; however, the detection range may vary depending on the ambient temperature.


      • *1: While the simple intelligent parking assist system is not operating

      • *2: While the simple intelligent parking assist system is operating

    5. Rear corner sonar display and buzzer operation check


      1. When the No. 1 ultrasonic sensors (rear corner LH/RH) have detected an obstacle, check the display and check that the No. 2 clearance warning buzzer sounds.

      6. Operation Condition
      Ignition Switch TOYOTA Parking Assist-sensor System Shift Lever Position Vehicle Speed Parking Brake
      ON On R - -
    A01LXWVC01
    *a Multi-information Display *b Multi-display
    *c Example (Rear Corner Sonar) *d Close-range Detection
    *e Medium-range Detection *f Long-range Detection
    A01LY8KE16

    Tech Tips

    Ultrasonic waves are used to measure the detection range; however, the detection range may vary depending on the ambient temperature.

  4. Rear center sonar display and buzzer operation check


    1. When the No. 1*1 or No. 3*2 ultrasonic sensors (rear center LH/RH) have detected an obstacle, check the display and check that the No. 2 clearance warning buzzer sounds.


      • *1: for Hatchback

      • *2: for Wagon

    5. Operation Condition
    Ignition Switch TOYOTA Parking Assist-sensor System Shift Lever Position Vehicle Speed Parking Brake
    ON On R - -
A01LXRDC01
*a Multi-information Display *b Multi-display
*c Example (Rear Center Sonar) *d Close-range Detection
*e Medium-range Detection *f Long-range Detection
*g Longest-range Detection - -
A01LYY5E12

Tech Tips

Ultrasonic waves are used to measure the detection range; however, the detection range may vary depending on the ambient temperature.