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Operation Check [11/2017 - 10/2018]

  1. Self-diagnosis System 
    1. If the clearance warning ECU assembly detects that an ultrasonic sensor is malfunctioning, a malfunction indication is displayed on the combination meter assembly and multi-display assembly.
      Malfunctioning Item Detection Condition Warning Message
      (Multi-information Display)      		 Malfunction Indication
      (Combination Meter Assembly)      		 Buzzer Sounding
      (No. 1 Clearance Warning Buzzer)      		 Suspected Area
      Frozen indication
      • The No. 1 ultrasonic sensor or No. 2 ultrasonic sensor is covered with foreign matter, such as mud or snow
      • The No. 1 ultrasonic sensor or No. 2 ultrasonic sensor is frozen
      		 Parking Assist Unavailable
      Clean Parking Assist Sensor      		 ◦ ◦
      Open circuit indication
      • There is an open circuit between the clearance warning ECU assembly and the No. 1 ultrasonic sensor or No. 2 ultrasonic sensor
      • The No. 1 ultrasonic sensor or No. 2 ultrasonic sensor is malfunctioning
      		 Parking Assist Malfunction
      Visit Your Dealer      		 ◦ ◦ Check for DTCs
      Refer to DTC CHECK / CLEAR [09/2014 - ] 
      1. Malfunction Indication (Combination Meter Assembly)
        GTY520746Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *a Open circuit indication *b Frozen indication
      2. Buzzer Sounding (No. 1 Clearance Warning Buzzer)
        GTY517005Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        Buzzer sounding is stopped after approximately 7.5 seconds elapsed.

  2. DETECTION RANGE MEASUREMENT AND DISPLAY INSPECTION 
    NOTE:

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

    1. Turn the engine switch on (IG).
    2. Turn the back sonar or clearance sonar switch assembly on.
    3. 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
        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.
        NOTE:

        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 

        GTY502135Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE:

        The No. 1 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 

        GTY517046Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Rear Center Sonar Detection Range 

        GTY515866Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
    4. Front corner sonar display and buzzer operation check
      1. When the No. 1 ultrasonic sensors (front corner sonar) have detected an obstacle, check the displays and check that the buzzer sounds.
        OPERATION CONDITION

        Engine Switch Back Sonar or Clearance Sonar Switch Assembly Shift Lever Position Vehicle Speed
        On (IG) On In any position other than P or R
        • Less than approximately 15 km/h (9 mph) if speed is increasing
        • Less than approximately 10 km/h (6 mph) if speed is decreasing
        On (IG) On R -
        GTY826751Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A for Optitron Meter Type *B for TFT Meter Type
        *a Multi-information Display *b Multi-display
        *c Example (Front Corner Sonar) *d Close-range Detection
        *e Medium-range Detection *f Long-range Detection
        GTY432235Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard

        MULTI-INFORMATION DISPLAY AND BUZZER

        Detection Range During Judgment Obstacle
        Close-range detection
        Within approx. 300 +/- 30 mm (11.8 +/- 1.18 in.)        		 Buzzer: Sounds continuously
        Number of bars displayed: 1 (blinking)        		 60 mm (2.4 in.) diameter pole
        Medium-range detection
        From approx. 300 +/- 30 to 400 +/- 40 mm (11.8 +/- 1.18 to 15.7 +/- 1.57 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        Number of bars displayed: 2 (illuminated)        		 60 mm (2.4 in.) diameter pole
        Long-range detection
        From approx. 400 +/- 40 to 500 +/- 50 mm (15.7 +/- 1.57 to 19.7 +/- 1.97 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)
        Number of bars displayed: 3 (illuminated)        		 60 mm (2.4 in.) diameter pole
        MULTI-DISPLAY AND BUZZER

        Detection Range During Judgment Obstacle
        Close-range detection
        Within approx. 300 +/- 30 mm (11.8 +/- 1.18 in.)        		 Buzzer: Sounds continuously
        Color of bars displayed: Red (illuminated)        		 60 mm (2.4 in.) diameter pole
        Medium-range detection
        From approx. 300 +/- 30 to 400 +/- 40 mm (11.8 +/- 1.18 to 15.7 +/- 1.57 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        Color of bars displayed: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole
        Long-range detection
        From approx. 400 +/- 40 to 500 +/- 50 mm (15.7 +/- 1.57 to 19.7 +/- 1.97 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)
        Color of bars displayed: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole

        HINT: 

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

    5. Front center sonar display and buzzer operation check
      1. When the No. 2 ultrasonic sensors (front center sonar) have detected an obstacle, check the display and check that the buzzer sounds.
        OPERATION CONDITION

        Engine Switch Back Sonar or Clearance Sonar Switch Assembly Shift Lever Position Vehicle Speed
        On (IG) On In any position other than P
        • Less than approximately 15 km/h (9 mph) if speed is increasing
        • Less than approximately 10 km/h (6 mph) if speed is decreasing
        GTY817713Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A for Optitron Meter Type *B for TFT Meter Type
        *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 - -
        GTY424803Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard

        MULTI-INFORMATION DISPLAY AND BUZZER

        Detection Range During Detection Obstacle
        Close-range detection
        Within approx. 300 +/- 30 mm (11.8 +/- 1.18 in.)        		 Buzzer: Sounds continuously
        Number of bars displayed: 1 (blinking)        		 60 mm (2.4 in.) diameter pole
        Medium-range detection
        From approx. 300 +/- 30 to 400 +/- 40 mm (11.8 +/- 1.18 to 15.7 +/- 1.57 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        Number of bars displayed: 2 (illuminated)        		 60 mm (2.4 in.) diameter pole
        Long-range detection
        From approx. 400 +/- 40 to 500 +/- 50 mm (15.7 +/- 1.57 to 19.7 +/- 1.97 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)
        Number of bars displayed: 3 (illuminated)        		 60 mm (2.4 in.) diameter pole
        Longest-range detection
        From approx. 500 +/- 50 to 1000 +/- 100 mm (19.7 +/- 1.97 to 39.4 +/- 3.94 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.65 sec.)
        Number of bars displayed: 4 (illuminated)        		 Wall
        MULTI-DISPLAY AND BUZZER

        Detection Range During Detection Obstacle
        Close-range detection
        Within approx. 300 +/- 30 mm (11.8 +/- 1.18 in.)        		 Buzzer: Sounds continuously
        Color of bars displayed: Red (illuminated)        		 60 mm (2.4 in.) diameter pole
        Medium-range detection
        From approx. 300 +/- 30 to 400 +/- 40 mm (11.8 +/- 1.18 to 15.7 +/- 1.57 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        Color of bars displayed: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole
        Long-range detection
        From approx. 400 +/- 40 to 500 +/- 50 mm (15.7 +/- 1.57 to 19.7 +/- 1.97 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec./ OFF: 0.15 sec.)
        Color of bars displayed: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole
        Longest-range detection
        From approx. 500 +/- 50 to 1000 +/- 100 mm (19.7 +/- 1.97 to 39.4 +/- 3.94 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.65 sec.)
        Color of bars displayed: Yellow (blinking)        		 Wall

        HINT: 

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

    6. Rear corner sonar display and buzzer operation check
      1. When the No. 1 ultrasonic sensors (rear corner sonar) have detected an obstacle, check the display and check that the buzzer sounds.
        OPERATION CONDITION

        Engine Switch Back Sonar or Clearance Sonar Switch Assembly Shift Lever Position Vehicle Speed
        On (IG) On R -
        GTY825164Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A for Optitron Meter Type *B for TFT Meter Type
        *a Multi-information Display *b Multi-display
        *c Example (Rear Corner Sonar) *d Close-range Detection
        *e Medium-range Detection *f Long-range Detection
        GTY432235Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard

        MULTI-INFORMATION DISPLAY AND BUZZER

        Detection Range During Judgment Obstacle
        Close-range detection
        Within approx. 300 +/- 30 mm (11.8 +/- 1.18 in.)        		 Buzzer: Sounds continuously
        Number of bars displayed: 1 (blinking)        		 60 mm (2.4 in.) diameter pole
        Medium-range detection
        From approx. 300 +/- 30 to 400 +/- 40 mm (11.8 +/- 1.18 to 15.7 +/- 1.57 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        Number of bars displayed: 2 (illuminated)        		 60 mm (2.4 in.) diameter pole
        Long-range detection
        From approx. 400 +/- 40 to 500 +/- 50 mm (15.7 +/- 1.57 to 19.7 +/- 1.97 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)
        Number of bars displayed: 3 (illuminated)        		 60 mm (2.4 in.) diameter pole
        MULTI-DISPLAY AND BUZZER

        Detection Range During Detection Obstacle
        Close-range detection
        Within approx. 300 +/- 30 mm (11.8 +/- 1.18 in.)        		 Buzzer: Sounds continuously
        Color of bars displayed: Red (illuminated)        		 60 mm (2.4 in.) diameter pole
        Medium-range detection
        From approx. 300 +/- 30 to 400 +/- 40 mm (11.8 +/- 1.18 to 15.7 +/- 1.57 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        Color of bars displayed: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole
        Long-range detection
        From approx. 400 +/- 40 to 500 +/- 50 mm (15.7 +/- 1.57 to 19.7 +/- 1.97 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)
        Color of bars displayed: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole

        HINT: 

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

    7. Rear center sonar display and buzzer operation check
      1. When the No. 1 ultrasonic sensors (rear center sonar) have detected an obstacle, check the display and check that the buzzer sounds.
        OPERATION CONDITION

        Engine Switch Back Sonar or Clearance Sonar Switch Assembly Shift Lever Position Vehicle Speed
        On (IG) On R -
        GTY828560Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        *A for Optitron Meter Type *B for TFT Meter Type
        *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 - -
        GTY424803Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard

        MULTI-INFORMATION DISPLAY AND BUZZER

        Detection Range During Detection Obstacle
        Close-range detection
        Within approx. 350 +/- 40 mm (13.8 +/- 1.57 in.)        		 Buzzer: Sounds continuously
        Number of bars displayed: 1 (blinking)        		 60 mm (2.4 in.) diameter pole
        Medium-range detection
        From approx. 350 +/- 40 to 450 +/- 50 mm (13.8 +/- 1.57 to 17.7 +/- 1.97 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        Number of bars displayed: 2 (illuminated)        		 60 mm (2.4 in.) diameter pole
        Long-range detection
        From approx. 450 +/- 50 to 600 +/- 60 mm (17.7 +/- 1.97 to 23.6 +/- 2.36 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)
        Number of bars displayed: 3 (illuminated)        		 60 mm (2.4 in.) diameter pole
        Longest-range detection
        From approx. 600 +/- 60 to 1500 +/- 150 mm (23.6 +/- 2.36 to 59.1 +/- 5.91 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.65 sec.)
        Number of bars displayed: 4 (illuminated)        		 Wall
        MULTI-DISPLAY AND BUZZER

        Detection Range During Detection Obstacle
        Close-range detection
        Within approx. 350 +/- 40 mm (13.8 +/- 1.57 in.)        		 Buzzer: Sounds continuously
        Color of bars displayed: Red (illuminated)        		 60 mm (2.4 in.) diameter pole
        Medium-range detection
        From approx. 350 +/- 40 to 450 +/- 50 mm (13.8 +/- 1.57 to 17.7 +/- 1.97 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        Color of bars displayed: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole
        Long-range detection
        From approx. 450 +/- 50 to 600 +/- 60 mm (17.7 +/- 1.97 to 23.6 +/- 2.36 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec./ OFF: 0.15 sec.)
        Color of bars displayed: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole
        Longest-range detection
        From approx. 600 +/- 60 to 1500 +/- 150 mm (23.6 +/- 2.36 to 59.1 +/- 5.91 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.65 sec.)
        Color of bars displayed: Yellow (blinking)        		 Wall

        HINT: 

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

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