DTC B2289: Key Collation Waiting Time Over: Procedure

1. Clear the DTCs. Refer to DTC CHECK / CLEAR .
2. Check whether DTC B2289 recurs.
   RESULT
   
   

   Display (DTC output)	Proceed to
   B2289	A
   No DTC output	B

B → See step   4 

A: Go to next step 

Fig 1: Identifying DA Main Body ECU And L15 Certification ECU Connectors

Courtesy of © TOYOTA, LICENSE AGREEMENT TMS1002

1. Disconnect the DA main body ECU connector.
2. Disconnect the L15 certification ECU connector.
3. Measure the resistance according to the value(s) in the table below.

   Standard resistance

   Tester Connection	Condition	Specified Condition
   DA-52 (LIN1) - L15-10 (LIN)	Always	Below 1 Ω
   DA-52 (LIN1) or L15-10 (LIN) - Body ground	Always	10 kΩ or higher

NG → REPAIR OR REPLACE HARNESS OR CONNECTOR 

OK: Go to next step 

1. Temporarily replace the main body ECU with a new or normally functioning one.
2. Check whether DTC B2289 recurs.

   OK

   No DTC is output.

NG → See step   5 

OK → END (MAIN BODY ECU IS FAULTY)