B2786

DOOR LOCK: SMART KEY SYSTEM: B2786: No Response from Steering Lock ECU

DTC B2786 - No Response from Steering Lock ECU

DESCRIPTION





WIRING DIAGRAM

B2785.






INSPECTION PROCEDURE

PROCEDURE

1. RECONFIRM DTC
(a) Clear the DTC and repeat the procedure to re-check it .
OK:
DTC is not output.
OK -- END (SYSTEM IS NORMAL)
NG -- Continue to next step.
2. CHECK WIRE HARNESS (CERTIFICATION ECU - STEERING LOCK ECU)





(a) Disconnect the D39 ECU connector.





(b) Disconnect the D14 ECU connector.
(c) Measure the resistance according to the value(s) in the table below.
Resistance:






NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.
3. REPLACE CERTIFICATION ECU (CHECK OPERATION OF CERTIFICATION ECU)
(a) Replace the certification ECU.
(b) Clear the DTC and repeat the procedure to re-check it .
OK:
DTC is not output.
OK -- END (CERTIFICATION ECU IS DEFECTIVE)
NG -- REPLACE STEERING LOCK ECU