DTC B2786: No Response from Steering Lock ECU: Procedure

1. Clear the DTC. Refer to DTC CHECK / CLEAR .
2. Recheck for DTCs.

   OK

   DTC B2786 is not output.

   Result

   Result	Proceed to
   Only B2786 is output	A
   DTC B2786 and B2785 are output simultaneously	B

   HINT: 

   When DTC B2786 and B2785 are output simultaneously, perform troubleshooting for DTC B2785 first.

B → See step   7 

A: Go to next step 

1. Disconnect the I24 steering lock ECU (steering lock actuator assembly) connector.
2. Measure the resistance and voltage according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   I24-1 (GND) - Body ground	Always	Below 1 Ω

   Standard Voltage

   Tester Connection	Condition	Specified Condition
   I24-7 (B) - Body ground	Always	11 to 14 V

   TEXT IN ILLUSTRATION
   
   

   *a	Component without harness connected (Steering Lock ECU (Steering Lock Actuator Assembly))

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Disconnect the I78 certification ECU (smart key ECU assembly) connector.
2. Measure the resistance according to the value(s) in the table below.

   Standard Resistance

   Tester Connection	Condition	Specified Condition
   I78-17 (LIN) - I24-5 (LIN)	Always	Below 1 Ω
   I78-17 (LIN) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Replace the steering lock ECU (steering lock actuator assembly). Refer to REMOVAL .

NEXT: Go to next step 

1. Clear the DTC. Refer to DTC CHECK / CLEAR .
2. Recheck for DTCs.

   OK

   DTC B2786 is not output.

NG → See step   6 

OK → END (STEERING LOCK ECU (STEERING LOCK ACTUATOR ASSEMBLY) WAS DEFECTIVE)