DTC B2285: Steering Lock Position Signal Circuit Malfunction [10/2021 - 10/2022]: Procedure

1. Disconnect the H48 certification ECU (smart key ECU assembly) connector.
2. Disconnect the H11 DCM (telematics transceiver) connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   H48-14 (SLP) - H11-30 (SLPD)	Always	Below 1 Ω
   H48-14 (SLP) or H11-30 (SLPD) - Other terminals and body ground	Always	10 kΩ or higher

4. Measure the voltage according to the value(s) in the table below.

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   H48-14 (SLP) or H11-30 (SLPD) - Body ground	Always	Below 1 V

   Result

   Proceed to
   OK
   NG

Result: 

NG 

REPAIR OR REPLACE HARNESS OR CONNECTOR 

Result: 

OK 

See step  2

1. Check the push-button start function.
   1. Enter the vehicle while carrying an electrical key transmitter sub-assembly.
   2. Depress the brake pedal with the shift lever in P.
   3. Check that the hybrid control system starts when the power switch is pressed.

   Result

   Result	Proceed to
   Hybrid control system starts	A
   Hybrid control system does not start	B

Result: 

A 

REPLACE DCM (TELEMATICS TRANSCEIVER). Refer to  REMOVAL [12/2019 - 10/2022] 

Result: 

B 

REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY). Refer to  REMOVAL [12/2019 - 11/2023]