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: Door LIN Bus off (B232588)

DESCRIPTION If the main body ECU (multiplex network body ECU) detects a communication error with an ECU connected to the door bus lines for 8 seconds or more, DTC B232588 will be stored. DTC No. Detection Item DTC Detection Condition Trouble Area B232588 Door LIN Bus off The main body ECU (multiplex network body ECU) detects a communication error with an ECU connected to the door bus lines for 8 seconds or more...

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

COMPONENTS ILLUSTRATION *1 NO. 1 ENGINE UNDER COVER ASSEMBLY *2 ENGINE UNDER COVER LH *3 ENGINE UNDER COVER RH - - N*m (kgf*cm, ft.*lbf): Specified torque - - ILLUSTRATION *1 FRONT AXLE SHAFT NUT *2 FRONT SPEED SENSOR *3 FRONT FLEXIBLE HOSE *4 STEERING KNUCKLE SEAL *5 COTTER PIN *6 TIE ROD END SUB-ASSEMBLY *7 FRONT STABILIZER LINK ASSEMBLY *8 FRONT LOWER NO...