B2551

B2551 STEERING LOCK UNIT

DIAGNOSIS DESCRIPTION
Though the communication between the Intelligent Key unit and the steering lock unit is normal, when the steering lock/unlock is not normal, B2551 steering lock unit malfunction judges that it is the malfunction and displays the DTC (Diagnostic Trouble Code)

TERMINALS AND REFERENCE VALUE

Intelligent Key Unit






PDU (Power Distribution Unit)






SELF-DIAGNOSTIC LOGIC






DIAGNOSTIC PROCEDURE

Step 1:

Step 1 (Continued)-3:

Step 3 (Continued)-6:

Step 6 (Continued):