Toyota Yaris: Smart Key System (for Entry Function) / How To Proceed With Troubleshooting

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Entry Function) / How To Proceed With Troubleshooting

CAUTION / NOTICE / HINT

HINT:

Replace parts related to the wireless door lock and smart key system according to the inspection procedure.
If the wireless door lock and smart key system does not operate, first check the customize item and make sure that the wireless door lock and smart key system is not turned off.
The wireless door lock and smart key system primarily uses the following systems.
- Power door lock system
- Wireless door lock system
- Smart key system (for Entry Function)
- Smart key system (for Start Function)
  - : Steering lock function
  - : Immobiliser function
Perform troubleshooting procedures with other registered keys if available.

PROCEDURE

1.	VEHICLE BROUGHT TO WORKSHOP

(a) Confirm how vehicle was brought to workshop

Vehicle was driven
Vehicle was towed

HINT:

The malfunction location may be narrowed down by confirming whether the vehicle was driven or towed.

GO TO SMART KEY SYSTEM (for Start Function)

Parts Location

PARTS LOCATION ILLUSTRATION *1 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY RH *2 FRONT DOOR LOCK WITH MOTOR ASSEMBLY RH *3 BACK DOOR OPENER SWITCH ASSEMBLY *4 OPEN SWITCH *5 LOCK SWITCH *6 BACK DOOR LOCK ASSEMBLY WITH COURTESY LIGHT SWITCH *7 FRONT DOOR COURTESY LIGHT SWITCH ASSEMBLY LH *8 FRONT DOOR LOCK WITH MOTOR ASSEMBLY LH ILLUSTRATION *1 FRONT DOOR OUTSIDE HANDLE ASSEMBLY RH - ELECTRICAL KEY ANTENNA - LOCK SENSOR - UNLOCK SENSOR *2 SMART DOOR CONTROL RECEIVER ASSEMBLY *3 ELECTRICAL KEY ANTENNA (OUTSIDE LUGGAGE COMPARTMENT) *4 NO...

System Diagram

S..

Other information:

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Diagnosis System

DIAGNOSIS SYSTEM DIAGNOSIS FUNCTION (a) The diagnosis function turns off the cruise control indicator and displays a warning message when a malfunction is detected. When a malfunction is detected in the dynamic radar cruise control system, DTCs are stored in the ECM or millimeter wave radar sensor assembly...

Toyota Yaris XP210 (2020-2026) Reapir and Service Manual: Lost Communication with ECM/PCM "A" Missing Message (U010087,U010187,U012687,U012987,U015587)

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