Toyota Venza manuals

Toyota Venza: Operation Check

OPERATION CHECK

1. MALFUNCTION BUZZER

(a) Open circuit or frozen

(1) If an open circuit is detected between the ultrasonic sensors and the clearance warning ECU assembly, if a sensor malfunction is detected or if a sensor is covered with foreign matter, such as mud or snow, the clearance warning buzzer sounds to indicate a malfunction as shown in the illustration.


2. DETECTION RANGE MEASUREMENT

(a) 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.

(b) Turn the clearance sonar main switch on.

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

NOTICE:

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).

HINT:

Have an assistant move the pole.

(1) Clearance Sonar


NOTICE:

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

(2) Back Sonar


(d) When the ultrasonic sensors (front corner sonar) have detected an obstacle, check that the buzzer sounds.

Operation Condition

Engine Switch

Clearance Sonar Main Switch

Shift Lever Position

Vehicle Speed

On (IG)

On

In any position other than P

  • Less than approximately 13 km/h (8.1 mph) if speed is increasing
  • Less than approximately 9 km/h (5.6 mph) if speed is decreasing

Standard:

Buzzer

Detection Range

During Judgment

Obstacle

Close-range detection

Within approx. 300 +/- 30 mm (11.8 +/- 1.2 in.)

Buzzer: Sounds continuously

60 mm (2.36 in.) diameter pole

Medium-range detection

From approx. 300 +/- 30 to 400 +/- 40 mm (11.8 +/- 1.2 to 15.7 +/- 1.6 in.)

Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)

60 mm (2.36 in.) diameter pole

Long-range detection

From approx. 400 +/- 40 to 500 +/- 50 mm (15.7 +/- 1.6 to 19.7 +/- 2.0 in.)

Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)

60 mm (2.36 in.) diameter pole

HINT:

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

(e) When the ultrasonic sensors (rear corner sonar) have detected an obstacle, check that the buzzer sounds.

Operation Condition

Engine Switch

Clearance Sonar Main Switch

Shift Lever Position

Vehicle Speed

On (IG)

On

R

-


Standard:

Buzzer

Detection Range

During Judgment

Obstacle

Close-range detection

Within approx. 300 +/- 30 mm (11.8 +/- 1.2 in.)

Buzzer: Sounds continuously

60 mm (2.36 in.) diameter pole

Medium-range detection

From approx. 300 +/- 30 to 450 +/- 50 mm (11.8 +/- 1.2 to 17.7 +/- 2.0 in.)

Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)

60 mm (2.36 in.) diameter pole

Long-range detection

From approx. 450+/- 50 to 600 +/- 60 mm (17.7 +/- 2.0 to 23.6 +/- 2.4 in.)

Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)

60 mm (2.36 in.) diameter pole

HINT:

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

(f) When the ultrasonic sensors (back sonar) have detected an obstacle, check that the buzzer sounds.

Operation Condition

Engine Switch

Clearance Sonar Main Switch

Shift Lever Position

Vehicle Speed

On (IG)

On

R

-


Standard:

Buzzer

Detection Range

During Detection

Obstacle

Close-range detection

Within approx. 350 +/- 40 mm (13.8 +/- 1.6 in.)

Buzzer: Sounds continuously

60 mm (2.36 in.) diameter pole

Medium-range detection

From approx. 350 +/- 40 to 450 +/- 50 mm (13.8 +/- 1.6 to 17.7 +/- 2.0 in.)

Buzzer: Sounds intermittently (ON: 0.075 sec. / OFF: 0.075 sec.)

60 mm (2.36 in.) diameter pole

Long-range detection

From approx. 450 +/- 50 to 600 +/- 60 mm (17.7 +/- 2.0 to 23.6 +/- 2.4 in.)

Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.15 sec.)

60 mm (2.36 in.) diameter pole

Longest-range detection

From approx. 600 +/- 60 to 1500 +/- 150 mm (23.6 +/- 2.4 to 59.1 +/- 5.9 in.)

Buzzer: Sounds intermittently (ON: 0.15 sec. / OFF: 0.65 sec.)

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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