PARKING SENSOR OPERATION

id092200888400

System Operation

• When the parking sensor activates, it performs initialization to check its operation, and then changes to obstruction alert status.

• When the system is initialized, the front buzzer sounds for approx. 0.8 s. When the shift lever is in any position except the R position with the parking brake released, the system changes to obstruction alert status. When the shift lever is in the R position with the parking brake released, the parking sensor buzzer (rear) activates for approx. 0.8 s and switches to obstruction notification status. The driver can verify that the system is operating correctly by the front/rear buzzer sound.

• During obstruction alert status, a warning buzzer will activate if an obstruction is detected while the parking brake switch is turned off. (Parking brake is released.) The operating ultrasonic sensor differs depending on the vehicle speed. Also, refer to the table below for details concerning the operating ultrasonic sensor.

×: Operates—: Does not operate

Conditions			Ultrasonic sensor
Conditions			Front		Rear
Parking brake	Shift lever	Vehicle speed	Corner	Front	Corner	Back
ON (pulled)	—	—	—	—	—	—
OFF (released)	Except R position	10—15 km/h {6.3—9.3 mph} or less	×	×	—	—
	Except R position	10—15 km/h {6.3—9.3 mph} or more	—	—	—	—
	R position	10—15 km/h {6.3—9.3 mph} or less	×	—	×	×
	R position	10—15 km/h {6.3—9.3 mph} or more	—	—	—	×

• To prevent detection error due to the washer nozzle operation while the headlight washers are operating, the detection condition just before the headlight washer switch is turned on is maintained for approx. 2 s after the headlight washer switch is turned on.

Obstruction Detection Area

• The front/rear ultrasonic sensor detection areas are as follows:

am6zzn00000538

Warning Alarm Sound Pattern

System is initialized

am6zzn00000570

Obstructions are detected

• The amount of time the buzzer sound is on or off changes as follows according to the distance between the vehicle and the detected obstruction:

Ultrasonic sensor

Zone

Distance from obstruction

ON status

OFF status

Corner sensor

Short distance

0—30 cm

{0—11 in}

Continuously

0 ms

Intermediate distance

25—42.5 cm

{9.9—16.7 in}

55—95 ms

55—95 ms

Long distance

37.5—55 cm

{14.8—21.0 in} (Front)

37.5—50 cm

{14.8—19.0 in} (Rear)

120—180 ms

120—180 ms

Front sensor

Back sensor

Short distance

0—40 cm

{0—15 in}

Continuously

0 ms

Intermediate distance

35—55 cm

{14—21 in}

55—95 ms

55—95 ms

Long distance

45—70 cm

{18—27 in}

120—180 ms

120—180 ms

Maximum long distance

60—115 cm (Front)

{24.0—45.2 in}

60—165 cm (Back)

{24.0—64.9 in}

120—180 ms

520—780 ms

The detection distance changes when the tow bar switch is on

Ultrasonic sensor	Zone	Distance from obstruction	ON status	OFF status
Corner sensor	Short distance	0—30 cm {0—11 in}	Continuously	0 ms
	Intermediate distance	25—42.5 cm {9.9—16.7 in}	55—95 ms	55—95 ms
	Long distance	37.5—55 cm {14.8—21.0 in} (Front) 37.5—50 cm {14.8—19.0 in} (Rear)	120—180 ms	120—180 ms
Front sensor	Short distance	0—40 cm {0—15 in}	Continuously	0 ms
	Intermediate distance	35—55 cm {14—21 in}	55—95 ms	55—95 ms
	Long distance	45—70 cm {18—27 in}	120—180 ms	120—180 ms
	Maximum long distance	60—115 cm {24.0—45.2 in}	120—180 ms	520—780 ms
Back sensor	Short distance	35—50 cm {14—19 in}	Continuously	0 ms
	Intermediate distance	45—65 cm {18—25 in}	55—95 ms	55—95 ms
	Long distance	55—80 cm {22—31 in}	120—180 ms	120—180 ms
	Maximum long distance	70—165 cm {28.0—64.9 in}	120—180 ms	520—780 ms

Ultrasonic sensor error is detected

• If the parking sensor control module detects an open circuit in the ultrasonic sensor circuit or a frozen ultrasonic sensor, it activates the transistor for the buzzer ON/OFF control to operate the buzzer as shown in the following figure:

• If there is a ultrasonic sensor error, the buzzer sound cycle (approx. 0.8 s) is repeated five times. The parking sensor control module flashes the parking sensor switch indicator light while it detects an error.

am6zzn00000539

Customize function

• The parking sensor has a customize function.

• By setting the customize function, the ultrasonic sensor operation areas can be changed if a trailer/tow-bar switch (dealer's option) is installed.

• The customize function can be set using the M-MDS.

• The ultrasonic sensor operation condition is as follows when the customize function is set:

Trailer switch: OFF, Tow-bar switch: OFF

×: Operates—: Does not operate

Conditions			Ultrasonic sensor
Parking brake	Shift lever	Vehicle speed	Front corner	Front	Rear corner	Back
ON (pulled)	—	—	—	—	—	—
OFF (released)	Except R position	10—15 km/h {6.3—9.3 mph} or less	×	×	—	—
	Except R position	10—15 km/h {6.3—9.3 mph} or more	—	—	—	—
	R position	10—15 km/h {6.3—9.3 mph} or less	×	—	×	×
	R position	10—15 km/h {6.3—9.3 mph} or more	—	—	—	×

Trailer switch is ON

×: Operates—: Does not operate

Conditions			Ultrasonic sensor
Parking brake	Shift lever	Vehicle speed	Front corner	Front	Rear corner	Back
ON (pulled)	—	—	—	—	—	—
OFF (released)	Except R position	10—15 km/h {6.3—9.3 mph} or less	×	×	—	—
	Except R position	10—15 km/h {6.3—9.3 mph} or more	—	—	—	—
	R position	10—15 km/h {6.3—9.3 mph} or less	×	—	—	—
	R position	10—15 km/h {6.3—9.3 mph} or more	—	—	—	—

Tow-bar switch is ON

×: Operates—: Does not operate

Conditions			Ultrasonic sensor
Parking brake	Shift lever	Vehicle speed	Front corner	Front	Rear corner	Back
ON (pulled)	—	—	—	—	—	—
OFF (released)	Except R position	10—15 km/h {6.3—9.3 mph} or less	×	×	—	—
	Except R position	10—15 km/h {6.3—9.3 mph} or more	—	—	—	—
	R position	10—15 km/h {6.3—9.3 mph} or less	×	—	×	×
	R position	10—15 km/h {6.3—9.3 mph} or more	—	—	—	×