Toyota Parking Assist-Sensor System (W/ Multi-Display) Operation Check

Turn the engine switch on (IG).

Turn the TOYOTA parking assist-sensor system off, or check that the TOYOTA parking assist-sensor system is off.

Turn the engine switch off.

Turn the engine switch on (IG).

Turn the TOYOTA parking assist-sensor system on and check that the following occurs:
1) After approximately 0.4 seconds, the buzzer sounds for approximately 0.7 to 1.3 seconds.
2) The system starts detection operation mode.

HINT:

1. During the initial check, malfunction detection operates and obstacle detection does not operate.
   
2. In the detection operation mode, obstacle detection and malfunction detection operate.
   
3. If a sensor has an open circuit or a sensor malfunctions because it is wet or frozen, a malfunction display is shown in the multi-information display and the buzzer sounds.
   
4. If the engine switch is turned to on (IG) while the TOYOTA parking assist-sensor system is on, the buzzer does not sound even though the malfunction detection operates.
   

Open circuit indication

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

   
   
   
   

   HINT:

   1. The example shows an open circuit in the ultrasonic sensor (front corner sensor LH).
      
   2. If a sensor has an open circuit, check for DTCs and troubleshoot according to each inspection procedure (LandCruiser RM000000VKU06EX.html).
      

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.
   

   
   
   
   

   HINT:

   1. The example shows that the ultrasonic sensor (front corner sensor LH) is covered with foreign matter.
      
   2. If "CLEAN SONAR" is displayed, refer to "Frozen indication is displayed in self-check function" in the Problem Symptoms Table to inspect the problem (LandCruiser X394000005X0CRD.html).
      

Detection range measurement:

NOTICE:

Make sure that the vehicle does not move by applying the parking brake firmly.

1. Turn the engine switch on (IG).
   

2. Move the shift lever to R to check the ultrasonic sensors.
   

Turn the TOYOTA parking assist-sensor system on.

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

NOTICE:

1. These detection ranges are applicable when positioning a pole with a diameter of 60 mm (2.36 in.) parallel or perpendicular to the ground.
   
2. The ranges vary depending on the measuring method and type of obstacle (such as walls).
   
3. For close-range and medium-range detection, the values shown are for when using a pole with a diameter of 60 mm (2.36 in.). For long-range detection, the values shown are for when using walls.
   
4. The No. 1 ultrasonic sensor side view detection range hatched area*1 represents the cross section of the top view of the detection range along the lines labeled A. The hatched area*1 does not represent the entire side view detection range.
   

1. Detection range of front corner sensors (for 8 Sensor Type)
   

   
   
   
   




2. Detection range of front center sensors (for 8 Sensor Type)
   

   
   
   
   




3. Detection range of rear center sensors
   

   
   
   
   




4. Detection range of rear corner sensors
   

   
   
   
   

Check the displays and buzzer sounds when the ultrasonic sensors detect an obstacle.

1. Front corner sensors (for 8 Sensor Type)
   
   

   Operation Condition

   Engine Switch	TOYOTA Parking Assist-sensor System	Shift Lever Position	Vehicle Speed
   On (IG)	ON	In any position except P	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

   
   
   
   
   

   Standard:

   
   

   Multi-information Display and Buzzer

   Detection Range	During Judgment	Obstacle
   *1 Close-range detection Within approximately 300 +/-30 mm (11.8 +/-1.18 in.)	Buzzer: Sounds continuously Number of bars displayed: 1 (blinking)	60 mm (2.36 in.) diameter pole
   *2 Medium-range detection From approximately 300 +/-30 to 400 +/-40 mm (11.8 +/-1.18 to 15.7 +/-1.57 in.)	Buzzer: Sounds intermittently (On: 75 ms / Off: 75 ms) Number of bars displayed: 2 (illuminated)	60 mm (2.36 in.) diameter pole
   *3 Long-range detection From approximately 400 +/-40 to 500 +/-50 mm (15.7 +/-1.57 to 19.7 +/-1.97 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 150 ms) Number of bars displayed: 3 (illuminated)	60 mm (2.36 in.) diameter pole

   
   

   Multi-display and Buzzer

   Detection Range	During Judgment	Obstacle
   *1 Close-range detection Within approximately 300 +/-30 mm (11.8 +/-1.18 in.)	Buzzer: Sounds continuously *4: Red (illuminated) *5: Number of bars displayed: 1 (illuminated)	60 mm (2.36 in.) diameter pole
   *2 Medium-range detection From approximately 300 +/-30 to 400 +/-40 mm (11.8 +/-1.18 to 15.7 +/-1.57 in.)	Buzzer: Sounds intermittently (On 75 ms / Off: 75 ms) *4: Yellow (blinking) *5: Number of bars displayed: 2 (illuminated)	60 mm (2.36 in.) diameter pole
   *3 Long-range detection From approximately 400 +/-40 to 500 +/-50 mm (15.7 +/-1.57 to 19.7 +/-1.97 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 150 ms) *4: Yellow (blinking) *5: Number of bars displayed: 3 (illuminated)	60 mm (2.36 in.) diameter pole

   1. *5: When shift lever in D
      

   HINT:

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





2. Front center sensors (for 8 Sensor Type)
   
   

   Operation Condition

   Engine Switch	TOYOTA Parking Assist-sensor System	Shift Lever Position	Vehicle Speed
   On (IG)	ON	except P, 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

   
   
   
   
   

   Standard:

   
   

   Multi-information Display and Buzzer

   Detection Range	During Detection	Obstacle
   *1 Close-range detection Within approximately 300 +/-30 mm (11.8 +/-1.18 in.)	Buzzer: Sounds continuously Number of bars displayed: 1 (blinking)	60 mm (2.36 in.) diameter pole
   *2 Medium-range detection From approximately 300 +/-30 to 450 +/-50 mm (11.8 +/-1.18 to 17.7 +/-1.97 in.)	Buzzer: Sounds intermittently (On: 75 ms / Off: 75 ms) Number of bars displayed: 2 (illuminated)	60 mm (2.36 in.) diameter pole
   *3 Long-range detection From approximately 450 +/-50 to 600 +/-60 mm (17.7 +/-1.97 to 23.6 +/-2.36 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 150 ms) Number of bars displayed: 3 (illuminated)	60 mm (2.36 in.) diameter pole
   *4 Longest-range detection From approximately 600 +/-60 to 1000 +/-100 mm (23.6 +/-2.36 to 39.4 +/-3.94 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 650 ms) Number of bars displayed: 4 (illuminated)	60 mm (2.36 in.) diameter pole

   
   

   Multi-display and Buzzer

   Detection Range	During Detection	Obstacle
   *1 Close-range detection Within approximately 300 +/-30 mm (11.8 +/-1.18 in.)	Buzzer: Sounds continuously *5: Red (illuminated)	60 mm (2.36 in.) diameter pole
   *2 Medium-range detection From approximately 300 +/-30 to 450 +/-50 mm (11.8 +/-1.18 to 17.7 +/-1.97 in.)	Buzzer: Sounds intermittently (On: 75 ms / Off: 75 ms) *5: Yellow (blinking)	60 mm (2.36 in.) diameter pole
   *3 Long-range detection From approximately 450 +/-50 to 600 +/-60 mm (17.7 +/-1.97 to 23.6 +/-2.36 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 150 ms) *5: Yellow (blinking)	60 mm (2.36 in.) diameter pole
   *4 Long-range detection From approximately 600 +/-60 to 1000 +/-100 mm (23.6 +/-2.36 to 39.4 +/-3.94 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 150 ms) *5: Yellow (blinking)	60 mm (2.36 in.) diameter pole

   1. *5: When shift lever in D
      

   HINT:

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





3. Rear corner sensors
   
   

   Operation Condition

   Engine Switch	TOYOTA Parking Assist-sensor System	Shift Lever Position	Vehicle Speed
   On (IG)	ON	R	-

   
   
   
   
   

   Standard:

   
   

   Multi-information Display and Buzzer

   Detection Range	During Judgment	Obstacle
   *1 Close-range detection Within approximately 250 +/-30 mm (9.84 +/-1.18 in.)	Buzzer: Sounds continuously Number of bars displayed: 1 (blinking)	60 mm (2.36 in.) diameter pole
   *2 Medium-range detection From approximately 250 +/-30 to 375 +/-40 mm (9.84 +/-1.18 to 14.76 +/-1.57 in.)	Buzzer: Sounds intermittently (On: 75 ms / Off: 75 ms) Number of bars displayed: 2 (illuminated)	60 mm (2.36 in.) diameter pole
   *3 Long-range detection From approximately 375 +/-40 to 550 +/-60 mm (14.76 +/-1.57 to 21.65 +/-2.36 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 150 ms) Number of bars displayed: 3 (illuminated)	60 mm (2.36 in.) diameter pole

   
   

   Multi-display and Buzzer

   Detection Range	During Judgment	Obstacle
   *1 Close-range detection Within approximately 250 +/-30 mm (9.84 +/-1.18 in.)	Buzzer: Sounds continuously *4: Red (illuminated)	60 mm (2.36 in.) diameter pole
   *2 Medium-range detection From approximately 250 +/-30 to 375 +/-40 mm (9.84 +/-1.18 to 14.76 +/-1.57 in.)	Buzzer: Sounds intermittently (On: 75 ms / Off: 75 ms) *4: Yellow (blinking)	60 mm (2.36 in.) diameter pole
   *3 Long-range detection From approximately 375 +/-40 to 550 +/-60 mm (14.76 +/-1.57 to 21.65 +/-2.36 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 150 ms) *4: Yellow (blinking)	60 mm (2.36 in.) diameter pole

   1. *4: When shift lever in R
      

   HINT:

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





4. Rear center sensors
   
   

   Operation Condition

   Engine Switch	TOYOTA Parking Assist-sensor System	Shift Lever Position	Vehicle Speed
   On (IG)	ON	R	-

   
   
   
   
   

   Standard:

   
   

   Multi-information Display and Buzzer

   Detection Range	During Detection	Obstacle
   *1 Close-range detection Within approximately 400 +/-40 mm (15.7 +/-1.57 in.)	Buzzer: Sounds continuously Number of bars displayed: 1 (blinking)	60 mm (2.36 in.) diameter pole
   *2 Medium-range detection From approximately 400 +/-40 to 500 +/-50 mm (15.7 +/-1.57 to 19.7 +/-1.97 in.)	Buzzer: Sounds intermittently (On: 75 ms / Off: 75 ms) Number of bars displayed: 2 (illuminated)	60 mm (2.36 in.) diameter pole
   *3 Long-range detection From approximately 500 +/-50 to 650 +/-70 mm (19.7 +/-1.97 to 25.6 +/-2.76 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 150 ms) Number of bars displayed: 3 (illuminated)	60 mm (2.36 in.) diameter pole
   *4 Longest-range detection From approximately 650 +/-70 to 1500 +/-150 mm (25.6 +/-2.76 to 59.1 +/-5.91 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 650 ms) Number of bars displayed: 4 (illuminated)	Wall

   
   

   Multi-display and Buzzer

   Detection Range	During Detection	Obstacle
   *1 Close-range detection Within approximately 400 +/-40 mm (15.7 +/-1.57 in.)	Buzzer: Sounds continuously *5: Red (illuminated)	60 mm (2.36 in.) diameter pole
   *2 Medium-range detection From approximately 400 +/-40 to 500 +/-50 mm (15.7 +/-1.57 to 19.7 +/-1.97 in.)	Buzzer: Sounds intermittently (On: 75 ms / Off: 75 ms) *5: Yellow (blinking)	60 mm (2.36 in.) diameter pole
   *3 Long-range detection From approximately 500 +/-50 to 650 +/-70 mm (19.7 +/-1.97 to 25.6 +/-2.76 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 150 ms) *5: Yellow (blinking)	60 mm (2.36 in.) diameter pole
   *4 Longest-range detection From approximately 650 +/-70 to 1500 +/-150 mm (25.6 +/-2.76 to 59.1 +/-5.91 in.)	Buzzer: Sounds intermittently (On: 150 ms / Off: 650 ms) *5: Yellow (blinking)	Wall

   1. *5: When shift lever in R
      

   HINT:

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