B2013

INTELLIGENT KEY SYSTEM/ENGINE START FUNCTION


B2013 STRG COMM 1


DIAGNOSIS DESCRIPTION
B2013 steering lock communication malfunction monitors the communication condition between Intelligent
Key unit and steering lock unit. If the reply from the steering lock unit against the communication from Intelligent Key unit does not come twice continuously, Intelligent Key unit judges that it is the malfunction and displays the DTC (Diagnostic Trouble Code).

TERMINALS AND REFERENCE VALUE FOR INTELLIGENT KEY UNIT






SELF-DIAGNOSTIC LOGIC

SELF-DIAGNOSTIC LOGIC:

DIAGNOSTIC PROCEDURE
1.CHECK STEERING LOCK UNIT POWER SUPPLY
1. Turn ignition switch OFF.
2. Disconnect steering lock unit connector.
3. Check voltage between steering lock unit connector and ground.










OK or NG
OK - GO TO 3.
NG - GO TO 2.
2.CHECK HARNESS CONTINUITY 1
1. Disconnect Intelligent Key unit connector.
2. Check continuity between Intelligent Key unit connector and steering lock unit connector.










3. Check continuity between Intelligent Key unit connector and ground.





OK or NG
OK - Check the condition of harness and connector.
NG - Repair or replace harness.
3.CHECK STEERING LOCK UNIT SIGNAL
1. Connect steering lock unit connector.
2. Check voltage between steering lock unit connector and ground.










OK or NG
OK - Replace steering lock unit.
NG - GO TO 4.
4.CHECK HARNESS CONTINUITY 2
1. Turn ignition switch OFF.
2. Disconnect Intelligent Key unit and steering lock unit connector.
3. Check continuity between Intelligent Key unit connector and steering lock unit connector.










4. Check continuity between Intelligent Key unit connector and ground.





OK or NG
OK - Check the condition of harness and connector. If it is OK, check the self-diagnosis results using
CONSULT-III again.
NG - Repair or replace harness.