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9.(SEE DIAGNOSTIC TROUBLE CODE CHART )
Go to step 11
Go To Next Step.
10.(SEE PROBLEM SYMPTOMS TABLE
)
Go To Next Step.
11.CIRCUIT INSPECTION
Go To Next Step.
12.IDENTIFICATION OF PROBLEM
Go To Next Step.
13.REPAIR OR REPLACE
Go To Next Step.
14.CONFIRMATION TEST
Go To Next Step.
END
Page 1506 of 4500
Fig. 4: Clearance Sonar System Check Sheet
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
1.DETECTION RANGE MEASUREMENT AND DISPLAY CHECK
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a. Turn the ignition switch to the ON position.
b. Move the shift lever to the D position (when the front sonar and the front clearance sonar are
checked).
c. Move the shift lever to the R position (when the back sonar and the rear clearance sonar are
checked).
d. Turn the clearance sonar main switch on.
e. Move a diameter 60 mm (2.36 in.) pole around the sensor to measure the detection range of the
sensor.
Page 1508 of 4500
Fig. 5: Identifying Front And Back Sonar's Detection Ranges
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
f. Check the multi-information display, the multi-display and the buzzer sounding condition when the
front sensor detects an obstacle.
Operation condition:
Page 1509 of 4500
Front sonar:
CLEARANCE SONAR MAIN SWITCH
HINT:
Because sound waves are used for detection range measurement, the detection range may change
sli
ghtly due to the peripheral temperature.
Ignition
switchClearance sonar
main switchShift positionVehicle speedEngine speed
ONONIn any position
except P and R10 km/h (6
mph) or lessN position: 1,500 RPM or less
Except N position: 2,500 RPM or
less
Page 1510 of 4500
Fig. 6: Identifying Front Sonar Display
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
g. Check the multi-information display and the buzzer sounding condition when the back sensor
detects an obstacle.
Operation condition:
Back sonar:
CLEARANCE SONAR MAIN SWITCH
Page 1511 of 4500
HINT:
Clearance sonar display does not appear on the multi-display if the shift lever is moved to the
R position.
Because sound waves are used for detection range measurement, the detection range may
chan
ge slightly due to the peripheral temperature.
Ignition
switchClearance sonar main
switchShift
positionVehicle speedEngine speed
ONONR position10 km/h (6 mph) or
less2,500 RPM or
less
Page 1512 of 4500
Fig. 7: Identifying Back Sonar Display
Courtesy of TOYOTA MOTOR SALES, U.S.A., INC.
h. Check the multi-information display, the multi-display and the buzzer sounding condition when the
clearance sonar sensor detects an obstacle.
Operation condition:
Front clearance sonar:
CLEARANCE SONAR MAIN SWITCH