Last Modified: 04-05-2023 6.11:8.1.0 Doc ID: RM1000000018NPX
Model Year Start: 2018 Model: Sienna Prod Date Range: [11/2017 -           ]
Title: PARK ASSIST / MONITORING: ULTRASONIC SENSOR(for Rear Side): REMOVAL; 2018 - 2020 MY Sienna [11/2017 -        ]

REMOVAL

PROCEDURE

1. REMOVE REAR BUMPER COVER

(See page 2017 - 2020 MY Sienna [08/2016 -        ]; EXTERIOR PANELS / TRIM: REAR BUMPER: REMOVAL )

2. REMOVE ULTRASONIC SENSOR CLIP

HINT:

Use the same procedure for each ultrasonic sensor clip.

(a) Using a screwdriver with its tip wrapped in protective tape, disengage the claw to remove the ultrasonic sensor clip.

*a

Protective Tape

3. REMOVE NO. 1 ULTRASONIC SENSOR

HINT:

Use the same procedure for each No. 1 ultrasonic sensor.

(a) Disengage the 2 claws and remove the No. 1 ultrasonic sensor.

4. REMOVE NO. 1 ULTRASONIC SENSOR RETAINER (for Back Sensor)

HINT:

  • Perform this procedure only when replacement of the No. 1 ultrasonic sensor retainers.
  • When removing the No. 1 ultrasonic sensor retainer, heat the rear bumper assembly and No. 1 ultrasonic sensor retainer using a heat light.

(a) Heat the rear bumper assembly and No.1 ultrasonic sensor retainer using a heat light at the specified temperature for 3 to 5 minutes.

Heating Temperature:

Item

Temperature

Rear Bumper Assembly

40 to 60°C (104 to 140°F)

No. 1 Ultrasonic Sensor Retainer

CAUTION:

  • Do not touch the heat light and heated parts.
  • Touching the heat light may result in burns.
  • Touching heated parts for a long time may result in burns.

(b) Remove the No. 1 ultrasonic sensor retainer.

5. REMOVE NO. 2 ULTRASONIC SENSOR RETAINER (for Corner Sensor)

HINT:

  • Perform this procedure only when replacement of the No. 2 ultrasonic sensor retainers.
  • When removing the No. 2 ultrasonic sensor retainer, heat the rear bumper assembly and No. 2 ultrasonic sensor retainer using a heat light.

(a) Heat the rear bumper assembly and No. 2 ultrasonic sensor retainer using a heat light at the specified temperature for 3 to 5 minutes.

Heating Temperature:

Item

Temperature

Rear Bumper Assembly

40 to 60°C (104 to 140°F)

No. 2 Ultrasonic Sensor Retainer

CAUTION:

  • Do not touch the heat light and heated parts.
  • Touching the heat light may result in burns.
  • Touching heated parts for a long time may result in burns.

(b) Remove the No. 2 ultrasonic sensor retainer.