Note
When any of the following parts have been replaced, perform adjustment shown in the following table. If not, the TOYOTA parking assist-sensor system may not operate correctly.
ADJUST TOYOTA PARKING ASSIST-SENSOR SYSTEM
The necessary procedures (adjustment, calibration, initialization or registration) that must be performed after parts are removed and installed, or replaced during TOYOTA parking assist-sensor system removal/installation are shown below.
| Part Name | Operation | Adjustment Item | Proceed to |
|---|---|---|---|
| Clearance warning ECU assembly | Replacement | Registration of bumper type | Procedure 1 |
| Ultrasonic sensor | Initialization of front corner ultrasonic sensor (LH, RH) | Procedure 2 | |
| Initialization of rear corner ultrasonic sensor (LH, RH) |
Registration of Bumper Type (PROCEDURE 1)
Preparation
Check for DTCs.
Note
If DTC C1AF3, C1AF4 or C168D is output, continue with the registration procedure.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / IPA/ICS/Clearance Sonar / Utility.
| Tester Display |
|---|
| Clearance Sonar Detection/Steering Adjustment |
Select "Clearance Sonar ECU" and perform steering adjustment according to the display on the GTS.
Enter the bumper type using the GTS.
| Bumper Type | Value |
|---|---|
| for Bar Type Radiator Grille | 1 |
| for Mesh Type Radiator Grille | 2 |
Disconnect the GTS from the DLC3.
Registration of Ultrasonic Sensors (PROCEDURE 2)
Preparation
Check for DTCs.
Note
If DTC C1AEC, C1AED or C168D is stored, continue with the registration procedure.
Connect the GTS to the DLC3.
Turn the engine switch on (IG).
Turn the GTS on.
Enter the following menus: Body Electrical / IPA/ICS/Clearance Sonar / Utility.
| Tester Display |
|---|
| Clearance Sonar Detection/Steering Adjustment |
Select "Fr Sensor or Bumper" or "Rr Sensor or Bumper" and perform automatic adjustment according to the display on the GTS.
Tech Tips
It is not required to enter sensor angles. Perform the procedure according to the display on the GTS.
Disconnect the GTS from the DLC3.