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Operation Check [08/2013 - ]

WARNING: This page is about a different car, the 2014 Lexus ES 300h. However, it is still accessible from the selected car via links, so may be relevant.
  1. MALFUNCTION DISPLAY (MULTI-INFORMATION DISPLAY) 
    1. Open circuit indication
      1. If there is an open circuit between an No. 1 ultrasonic sensor and the clearance warning ECU assembly or a sensor is malfunctioning, the malfunction is displayed as shown in the illustration.
        Fig 1: Identifying Affected Sensor (Open Circuit Indication)
        GTY414917Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        • The example shows an open circuit in the No. 1 ultrasonic sensor (front left sensor).
        • If a sensor has an open circuit, check for DTCs and troubleshoot according to each inspection procedure. Refer to DTC CHECK / CLEAR [08/2013 - ] .
    2. Frozen indication
      1. If a sensor is covered with foreign matter, such as mud or snow, the affected sensor is displayed as shown in the illustration.
        Fig 2: Identifying Affected Sensor (Frozen Indication)
        GTY397951Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        • The example shows that the No. 1 ultrasonic sensor (front left sensor) is covered with foreign matter.
        • If "Clean Park Sonar" is displayed, refer to "Frozen indication is displayed in self-check function" on Problem Symptoms Table to inspect it. Refer to PROBLEM SYMPTOMS TABLE [08/2013 - ] .
  2. MALFUNCTION DISPLAY (MULTI-DISPLAY ASSEMBLY (w/ Multi-display)) 
    1. Open circuit indication
      1. If there is an open circuit between the No. 1 ultrasonic sensor and the clearance warning ECU assembly or a sensor is malfunctioning, the malfunction is displayed as shown in the illustration.
        Fig 3: Identifying Ultrasonic Sensor Open Circuit
        GTY402392Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        • The example shows an open circuit in the No. 1 ultrasonic sensor (front left sensor).
        • If a sensor has an open circuit, check for DTCs and troubleshoot according to each inspection procedure. Refer to DTC CHECK / CLEAR [08/2013 - ] .
    2. Frozen indication
      1. If a sensor is covered with foreign matter, such as mud or snow, the affected sensor is displayed as shown in the illustration.
        Fig 4: Identifying Frozen Ultrasonic Sensor
        GTY400454Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        HINT: 

        • The example shows that the No. 1 ultrasonic sensor (front left sensor) is covered with foreign matter.
        • If "Clean the parking assist sensor" is displayed, refer to "Frozen indication is displayed in self-check function" on Problem Symptoms Table to inspect it. Refer to PROBLEM SYMPTOMS TABLE [08/2013 - ] .
  3. DETECTION RANGE MEASUREMENT AND DISPLAY INSPECTION 
    NOTE:

    The following measurement and inspection will be performed 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 power switch on (IG).
    2. Turn the clearance sonar main switch on.
    3. Detection range measurement:
      1. When measuring the detection range of the front corner sonar, move the shift lever to any position other than P.
      2. When measuring the detection range of the front center sonar, move the shift lever to any position other than P or R.
      3. When measuring the detection range of the rear corner sonar and rear center sonar, move the shift lever to R.
      4. Move a 60 mm (2.4 in.) diameter pole near each sensor to measure its detection range.
        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.

        Fig 5: Identifying Sonars Detection Range
        GTY405867Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        NOTE:

        The No. 1 ultrasonic sensor side view detection range (hatched area labeled *1) represents the cross section of the top view detection range A. The hatched area *1 does not represent the entire side view detection range.

        Fig 6: Identifying Front Center Sonar Detection Range
        GTY458130Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Fig 7: Identifying Rear Center Sonar Detection Range
        GTY463472Courtesy 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

        Power Switch Intuitive Parking Assist System Shift Lever Position Vehicle Speed
        On (IG) On In any position other than P or R
        • Less than approximately 15 km/h (9.3 mph) if speed is increasing
        • Less than approximately 10 km/h (6.2 mph) if speed is decreasing
        On (IG) On R -
        Fig 8: Identifying Front Corner Sonar
        GTY399074Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Fig 9: Identifying Multi-Information Display And Buzzer Sound
        GTY268801Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard

        MULTI-INFORMATION DISPLAY AND BUZZER

        Detection Range During Judgment Obstacle
        *1
        Close-range detection
        Within approx. 300 +/- 50 mm (11.8 +/- 2.0 in.)        		 Buzzer: Sounds continuously
        Number of bars displayed: 1 (blinking)        		 60 mm (2.4 in.) diameter pole
        *2
        Medium-range detection
        From approx. 300 +/- 50 to 450 +/- 50 mm (11.8 +/- 2.0 to 17.7 +/- 2.0 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
        *3
        Long-range detection
        From approx. 450 +/- 50 to 600 +/- 100 mm (17.7 +/- 2.0 to 23.6 +/- 3.9 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 ASSEMBLY AND BUZZER

        Detection Range During Judgment Obstacle
        *1
        Close-range detection
        Within approx. 300 +/- 50 mm (11.8 +/- 2.0 in.)        		 Buzzer: Sounds continuously
        *4: Red (illuminated)
        *5: Number of bars displayed: 1 (illuminated)        		 60 mm (2.4 in.) diameter pole
        *2
        Medium-range detection
        From approx. 300 +/- 50 to 450 +/- 50 mm (11.8 +/- 2.0 to 17.7 +/- 2.0 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        *4: Yellow (blinking)
        *5: Number of bars displayed: 2 (illuminated)        		 60 mm (2.4 in.) diameter pole
        *3
        Long-range detection
        From approx. 450 +/- 50 to 600 +/- 100 mm (17.7 +/- 2.0 to 23.6 +/- 3.9 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)
        *4: Yellow (blinking)
        *5: Number of bars displayed: 3 (illuminated)        		 60 mm (2.4 in.) diameter pole
        • *5: When the shift lever is not in P or R

        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. 1 ultrasonic sensors (front center sonar) have detected an obstacle, check the display and check that the buzzer sounds.
        OPERATION CONDITION

        Power Switch Intuitive Parking Assist System Shift Lever Position Vehicle Speed
        On (IG) On In any position other than P or R
        • Less than approximately 15 km/h (9.3 mph) if speed is increasing
        • Less than approximately 10 km/h (6.2 mph) if speed is decreasing
        Fig 10: Identifying Front Center Sonar
        GTY399873Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Fig 11: Identifying Buzzer Sound Waveform Graph
        GTY411875Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard

        MULTI-INFORMATION DISPLAY AND BUZZER

        Detection Range During Detection Obstacle
        *1
        Close-range detection
        Within approx. 300 +/- 50 mm (11.8 +/- 2.0 in.)        		 Buzzer: Sounds continuously
        Number of bars displayed: 1 (blinking)        		 60 mm (2.4 in.) diameter pole
        *2
        Medium-range detection
        From approx. 300 +/- 50 to 400 +/- 50 mm (11.8 +/- 2.0 to 15.7 +/- 2.0 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
        *3
        Long-range detection
        From approx. 400 +/- 50 to 500 +/- 100 mm (15.7 +/- 2.0 to 19.7 +/- 3.9 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
        *4
        Longest-range detection
        From approx. 500 +/- 100 to 1000 +/- 100 mm (19.7 +/- 3.9 to 39.4 +/- 3.9 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.65 sec.)
        Number of bars displayed: 4 (illuminated)        		 Wall
        MULTI-DISPLAY ASSEMBLY AND BUZZER

        Detection Range During Detection Obstacle
        *1
        Close-range detection
        Within approx. 300 +/- 50 mm (11.8 +/- 2.0 in.)        		 Buzzer: Sounds continuously
        Number of bars displayed: 1 (illuminated)        		 60 mm (2.4 in.) diameter pole
        *2
        Medium-range detection
        From approx. 300 +/- 50 to 400 +/- 50 mm (11.8 +/- 2.0 to 15.7 +/- 2.0 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
        *3
        Long-range detection
        From approx. 400 +/- 50 to 500 +/- 100 mm (15.7 +/- 2.0 to 19.7 +/- 3.9 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
        *4
        Longest-range detection
        From approx. 500 +/- 100 to 1000 +/- 100 mm (19.7 +/- 3.9 to 39.4 +/- 3.9 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.65 sec.)
        Number of bars displayed: 4 (illuminated)        		 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

        Power Switch Intuitive Parking Assist System Shift Lever Position Vehicle Speed
        On (IG) On R -
        Fig 12: Identifying Rear Corner Sonar
        GTY399387Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Fig 13: Identifying Multi-Information Display And Buzzer Sound
        GTY268801Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard

        MULTI-INFORMATION DISPLAY AND BUZZER

        Detection Range During Judgment Obstacle
        *1
        Close-range detection
        Within approx. 300 +/- 50 mm (11.8 +/- 2.0 in.)        		 Buzzer: Sounds continuously
        Number of bars displayed: 1 (blinking)        		 60 mm (2.4 in.) diameter pole
        *2
        Medium-range detection
        From approx. 300 +/- 50 to 450 +/- 50 mm (11.8 +/- 2.0 to 17.7 +/- 2.0 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
        *3
        Long-range detection
        From approx. 450 +/- 50 to 600 +/- 100 mm (17.7 +/- 2.0 to 23.6 +/- 3.9 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 ASSEMBLY AND BUZZER

        Detection Range During Judgment Obstacle
        *1
        Close-range detection
        Within approx. 300 +/- 50 mm (11.8 +/- 2.0 in.)        		 Buzzer: Sounds continuously
        *4: Red (illuminated)        		 60 mm (2.4 in.) diameter pole
        *2
        Medium-range detection
        From approx. 300 +/- 50 to 450 +/- 50 mm (11.8 +/- 2.0 to 17.7 +/- 2.0 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        *4: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole
        *3
        Long-range detection
        From approx. 450 +/- 50 to 600 +/- 100 mm (17.7 +/- 2.0 to 23.6 +/- 3.9 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)
        *4: 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

        Power Switch Intuitive Parking Assist System Shift Lever Position Vehicle Speed
        On (IG) On R -
        Fig 14: Identifying Rear Center Sonar
        GTY398792Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002
        Fig 15: Identifying Buzzer Sound Waveform Graph
        GTY411875Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

        Standard

        MULTI-INFORMATION DISPLAY AND BUZZER

        Detection Range During Detection Obstacle
        *1
        Close-range detection
        Within approx. 350 +/- 50 mm (13.8 +/- 2.0 in.)        		 Buzzer: Sounds continuously
        Number of bars displayed: 1 (blinking)        		 60 mm (2.4 in.) diameter pole
        *2
        Medium-range detection
        From approx. 350 +/- 50 to 450 +/- 50 mm (13.8 +/- 2.0 to 17.7 +/- 2.0 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
        *3
        Long-range detection
        From approx. 450 +/- 50 to 600 +/- 100 mm (17.7 +/- 2.0 to 23.6 +/- 3.9 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
        *4
        Longest-range detection
        From approx. 600 +/- 100 to 1500 +/- 150 mm (23.6 +/- 3.9 to 59.1 +/- 5.9 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.65 sec.)
        Number of bars displayed: 4 (illuminated)        		 Wall
        MULTI-DISPLAY ASSEMBLY AND BUZZER

        Detection Range During Detection Obstacle
        *1
        Close-range detection
        Within approx. 350 +/- 50 mm (13.8 +/- 2.0 in.)        		 Buzzer: Sounds continuously
        *5: Red (illuminated)        		 60 mm (2.4 in.) diameter pole
        *2
        Medium-range detection
        From approx. 350 +/- 50 to 450 +/- 50 mm (13.8 +/- 2.0 to 17.7 +/- 2.0 in.)        		 Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)
        *5: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole
        *3
        Long-range detection
        From approx. 450 +/- 50 to 600 +/- 100 mm (17.7 +/- 2.0 to 23.6 +/- 3.9 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec./ OFF: 0.15 sec.)
        *5: Yellow (blinking)        		 60 mm (2.4 in.) diameter pole
        *4
        Longest-range detection
        From approx. 600 +/- 100 to 1500 +/- 150 mm (23.6 +/- 3.9 to 59.1 +/- 5.9 in.)        		 Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.65 sec.)
        *5: 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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