Toyota Corolla Cross Owners & Service Manuals

Toyota Corolla Cross: Steering Lock Position Signal Compare Failure (B228562)

Toyota Corolla Cross (2022-2024) Service Manual / Vehicle Interior / Theft Deterrent / Keyless Entry / Smart Key System (for Start Function, Gasoline Model) / Steering Lock Position Signal Compare Failure (B228562)

DESCRIPTION

This DTC is stored when there is no continuity between terminal SLP of the certification ECU (smart key ECU assembly) and ground.

DTC No.

Detection Item

DTC Detection Condition

Trouble Area

Note

B228562

Steering Lock Position Signal Compare Failure

This DTC is stored when there is no continuity between terminal SLP of the certification ECU (smart key ECU assembly) and ground.
  • LIN communication system
  • Certification ECU (smart key ECU assembly)
  • Wire harness or connector
DTC Output Confirmation Operation:
  • Disconnect the cable from the negative (-) auxiliary battery terminal, wait 30 seconds and then reconnect the cable to the negative (-) auxiliary battery terminal. Wait at least 40 seconds with the power switch off, then turn the power switch on (IG) and wait at least 40 seconds.
  • *1: Only detected while a malfunction is present and the ignition switch is ON.
Vehicle Condition and Fail-safe Function when Malfunction Detected

Vehicle Condition when Malfunction Detected

Fail-safe Function when Malfunction Detected

The engine cannot be started.

The ECU does not send an engine start request.
Related Data List and Active Test Items

DTC No.

Data List and Active Test

B228562

 Power Source Control
  • Steering Unlock Switch
Smart Key
  • Power Supply Short History
  • Motor Driver Short History
  • Lock Bar Stuck Error History

WIRING DIAGRAM

CAUTION / NOTICE / HINT

NOTICE:

  • 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 smart key system (for Start Function) uses the LIN communication system and CAN communication system. Inspect the communication function by following How to Proceed with Troubleshooting. Troubleshoot the smart key system (for Start Function) after confirming that the communication systems are functioning properly.

    Click here

  • Inspect the fuses for circuits related to this system before performing the following procedure.
  • Before replacing the certification ECU (smart key ECU assembly) refer to Registration.

    Click here

  • After repair, confirm that no DTCs are output by performing "DTC Output Confirmation Operation".

PROCEDURE

1.

CHECK FOR DTC

(a) Check for DTCs.

Body Electrical > Smart Key > Trouble Codes

HINT:

If LIN communication is not available, the steering cannot be locked or unlocked.

Result

Proceed to

DTC B278588 is output

A

DTC B278588 is not output

B
A

GO TO DTC B278588

B

2.

CHECK HARNESS AND CONNECTOR (CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) - BODY GROUND)

(a) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Tester Connection

Condition

Specified Condition

I222-11 (SLP) - Body ground

Always

Below 1 Ω
OK

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY)

NG

REPAIR OR REPLACE HARNESS OR CONNECTOR

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