Toyota Tundra (2015 year). Manual — part 153
NOTICE:
When disconnecting the cable, some systems need to be initialized after the cable is reconnected
.
11. CHECK SRS WARNING LIGHT
(a) Check the SRS warning light
.
PARK ASSIST / MONITORING: CLEARANCE WARNING ECU: IN...
Last Modified: 9-16-2014
6.6 L
Doc ID: RM000000IQS097X
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: PRECAUTION; 2015 MY Tundra
[08/2014 - ]
PRECAUTION
1. PRECAUTION FOR INTUITIVE PARKING ASSIST SYSTEM
HINT:
(1) The sensor is covered with foreign matter, such as mud or snow (detection function returns to normal
if sensor is cleaned).
(2) The sensor is frozen (detection function returns to normal when defrosted).
(3) A hand is blocking the sensor.
(b) The detection range may be affected by the following conditions:
(1) The sensor is covered with foreign matter, such as mud or snow.
(2) The vehicle is in a very hot or cold area.
(c) Under the following conditions, a detection error may occur:
(1) Driving on a bumpy road, on an unpaved road or in tall grass.
(2) Another vehicle's horn, motorcycle engine sounds, a large vehicle's air brake sound, another vehicle's
sonar or other things that transmit ultrasonic waves are near the vehicle.
(3) It is raining heavily or water is sprayed on the sensor.
(4) The vehicle is extremely tilted.
(5) The vehicle is equipped with a commercial fender pole or a wireless mechanism antenna.
(6) The sensor is covered with foreign matter, such as mud or snow.
(7) The vehicle is moved forward or backward towards high curbs or objects that are perpendicular to the
ground.
(d) The sensor cannot detect the following objects.
(1) Thin objects, such as wires and ropes.
(2) Materials that easily absorb ultrasonic waves, such as cotton, snow, etc.
(3) Objects with sharp edges.
(4) Short objects.
(5) Tall objects with a projected upper part.
(e) Other notices:
(1) The sensor cannot detect objects directly under the bumper. (The sensor may detect low objects and
(3) The sensor may be unable to detect obstacles if it is dropped or subjected to a strong impact.
PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SY...
PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SY...
Last Modified: 9-16-2014
6.6 D
Doc ID: RM000000VJK07TX
Model Year: 2015
Model: Tundra
Prod Date Range: [08/2014 - ]
Title: PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SYSTEM: SYSTEM DESCRIPTION; 2015 MY
Tundra [08/2014 - ]
SYSTEM DESCRIPTION
1. GENERAL
(a) When the vehicle is driven at 10 km/h (6.2 mph) or less, the ultrasonic sensors detect any obstacles at
combination meter assembly.
2. FUNCTION OF COMPONENTS
COMPONENTS
FUNCTION
Ultrasonic sensor
The ultrasonic sensor sends and receives ultrasonic waves. Based on the received wave,
the sensor calculates the approximate distance value between the vehicle and the
obstacle, and sends the distance value as a signal to the clearance warning ECU
assembly.
Combination meter
assembly
Emits an intermittent sound to inform the driver that the clearance warning
ECU assembly has detected an obstacle within prescribed ranges.
Back sonar or
clearance sonar
switch
Output system ON/OFF signals to clearance warning ECU assembly.
Clearance warning
ECU assembly
Receives signals from the ultrasonic sensors and sends the display signal and buzzer
signal to the combination meter assembly.
Park/neutral
position switch
assembly
Sends a signal that activates the intuitive parking assist system when the shift lever is
moved to R.
3. OPERATION EXPLANATION
(a) The clearance warning ECU assembly determines whether the intuitive parking assist system should be
operated based on the back sonar or clearance sonar switch ON/OFF status, the shift position and the
vehicle speed.
(b) When the system operates, the clearance warning ECU assembly transmits ultrasonic waves from the
assembly. Based on this information, the clearance warning ECU assembly sends signals to the indicator
and the clearance warning buzzer. The approximate distance between the vehicle and the obstacle is then
indicated, and the buzzer sounds.
HINT:
PARK ASSIST / MONITORING: INTUITIVE PARKING ASSIST SY...
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