DTC B2285: Steering Lock Position Signal Circuit Malfunction [12/2021 - ]: Procedure

1. Connect the Techstream to the DLC3.
2. Turn the engine switch on (IG).
3. Turn the Techstream on.
4. Enter the following menus: Body Electrical / Smart Key / Trouble Codes.
5. Check for DTCs.

   Body Electrical > Smart Key > Trouble Codes 

   Result

   Result	Proceed to
   DTC B2785 is not output	A
   DTC B2785 is output	B

Result: 

B 

GO TO DTC B2785. Refer to  DTC B2785: Communication Malfunction between ECUs Connected by LIN [12/2021 - ] 

Result: 

A 

See step  2

1. Disconnect the certification ECU (smart key ECU assembly) connector.

   Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

   *a	Front view of wire harness connector (to Certification ECU (Smart Key ECU Assembly))

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

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   G54-14 (SLP) - Body ground	Always	Below 1 Ω

   Result

   Proceed to
   OK
   NG

Result: 

OK 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [12/2021 - 10/2022]  , or refer to  REMOVAL [10/2022 - 10/2023]  , or refer to  REMOVAL [10/2023 - ] 

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR