B2289

2UR-FSE STARTING: SMART ACCESS SYSTEM WITH PUSH-BUTTON START: B2289: Key Collation Waiting Time Over
B2289 - Key Collation Waiting Time Over

DESCRIPTION

This DTC is output when there is a LIN communication problem between the main body ECU and certification ECU or when there is a problem in the engine immobiliser system.









WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK WHETHER DTC OUTPUT RECURS

(a) Clear the DTCs Reading and Clearing Diagnostic Trouble Codes.

(b) Check whether DTC B2289 recurs.

Result





B -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting
A -- Continue to next step.

2. CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - CERTIFICATION ECU)





(a) Disconnect the DA main body ECU connector.

(b) Disconnect the L15 certification ECU connector.

(c) Measure the resistance according to the value(s) in the table below.

Standard resistance:





NG -- REPAIR OR REPLACE HARNESS OR CONNECTOR
OK -- Continue to next step.

3. REPLACE MAIN BODY ECU

(a) Temporarily replace the main body ECU with a new or normally functioning one.

(b) Check whether DTC B2289 recurs.

OK:

No DTC is output.

NG -- GO TO SMART ACCESS SYSTEM WITH PUSH-BUTTON START (ROOM OSCILLATOR DOES NOT RECOGNIZE KEY) Room Oscillator Does Not Recognize Key

OK -- END (MAIN BODY ECU IS FAULTY)