B2289

2GR-FE STARTING: SMART KEY SYSTEM: B2287, B2289: LIN Communication Master Malfunction
B2289 - Key Collation Waiting Time Over

DESCRIPTION

These DTCs are output when :1) any other DTC is set in the power source control ECU: or 2) the wire harness between the power source control ECU and the certification ECU is open or short.





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK WIRE HARNESS (POWER SOURCE CONTROL ECU - CERTIFICATION ECU)

(a) Disconnect the D44 ECU connector.





(b) Disconnect the D39 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.

2. CHECK POWER SOURCE CONTROL ECU OPERATION

(a) After replacing power source control ECU with a normally functioning ECU, check that the engine starts.

OK:

Engine can start normally.

Result:





C -- GO TO SMART KEY SYSTEM (MATCHING FOR THE INSIDE OF THE CABIN CANNOT BE PERFORMED)

B -- REPLACE CERTIFICATION ECU

A -- END (POWER SOURCE CONTROL ECU DEFECTIVE)