Toyota Yaris: Smart Key System (for Start Function) / Dtc Check / Clear

NOTICE:

• When DTC is output, be sure to confirm and record.
• DTCs may have been stored due to problems unrelated to the steering lock function. Be sure to confirm and record any DTCs output for other systems.
• When using the GTS with the ignition switch off, connect the GTS to the DLC3 and turn a courtesy light switch on and off at intervals of 1.5 seconds or less until communication between the GTS and the vehicle begins. Then select the vehicle type under manual mode and enter the following menus: Body Electrical / Smart Key. While using the GTS, periodically turn a courtesy light switch on and off at intervals of 1.5 seconds or less to maintain communication between the GTS and the vehicle.
• The steering lock ECU (steering lock actuator or upper bracket assembly) does not store history DTCs. If any DTCs are output, confirm and record them as soon as possible. Do not turn the ignition switch off or clear the DTCs until the DTCs are confirmed and recorded.

HINT:

• The steering lock system DTCs are output from the steering lock ECU (steering lock actuator or upper bracket assembly) via the certification ECU (smart key ECU assembly).
• When any DTC is not output and security indicator light does not blink, problems may be caused by the following:
  • Open in TC circuit between DLC3 connector and related ECU
  • Malfunction of related ECU

Terminals Of Ecu

TERMINALS OF ECU CHECK CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) (a) Disconnect the H45 and H46 certification ECU (smart key ECU assembly) connectors...

Data List / Active Test

DATA LIST / ACTIVE TEST DATA LIST NOTICE: In the table below, the values listed under "Normal Condition" are reference values. Do not depend solely on these reference values when deciding whether a part is faulty or not...

Other information:

Toyota Yaris XP210 (2020-2025) Reapir and Service Manual: Lost Communication with Alternator Missing Message (P161A87)

DESCRIPTION The ECM communicates with the generator assembly via LIN communication. If a LIN communication error is detected, the ECM stores this DTC. DTC No. Detection Item DTC Detection Condition Trouble Area MIL Note P161A87 Lost Communication with Alternator Missing Message Generator assembly or ECM communication stops for approximately 17 minutes or more with the ignition switch ON (1 trip detection logic) Wire harness or connector Generator assembly ECM Comes on SAE Code: P161A WIRING DIAGRAM CAUTION / NOTICE / HINT NOTICE: Inspect the fuses for circuits related to this system before performing the following inspection procedure...

Toyota Yaris XP210 (2020-2025) Owner's Manual: Opening/Closing Windows

The window opens while the switch is pressed and it closes while the switch is pulled up with the ignition switched ON. Do not open or close three or more windows at the same time. The front passenger’s side and rear windows can be opened/closed when the power window lock switch on the driver’s door is in the unlock position...