B2289

2GR-FE STARTING: SMART KEY SYSTEM: 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 (instrument panel junction block) and certification ECU (smart key ECU assembly) or when there is a problem in the entry function.

HINT
If the main body ECU (instrument panel junction block) is replaced with a new one while the negative (-) battery terminal is connected, the power source mode will be in IG-ON mode. When the battery is removed and reinstalled, the power source mode that was selected when the battery was removed is restored. After the main body ECU (instrument panel junction block) is replaced, perform the registration procedure for the engine immobiliser system Engine Immobiliser System (W/ Smart Key System).





WIRING DIAGRAM





INSPECTION PROCEDURE

PROCEDURE

1. CHECK FOR DTCS

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

(b) Check for DTC B2289 (Key collection waiting time over) and B2785 (Communication malfunction between ECUs connected by LIN).

Result:





HINT
If DTC B2785 is output, perform troubleshooting for DTC B2785 first.

C -- USE SYMPTOM METHOD TO CHECK How To Proceed With Troubleshooting

B -- GO TO DTC B2785 B2785
A -- Continue to next step.

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

(a) Disconnect the D40 and 1E ECU connectors.





(b) 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. CHECK MAIN BODY ECU OPERATION

(a) After replacing the main body ECU (instrument panel junction block) with a normally functioning ECU, check that the engine starts.

OK:

Engine starts normally.

HINT
If the engine does not start, refer to PROBLEM SYMPTOMS TABLE of the smart key system (entry) (Room Oscillator does not Recognize Key).

NG -- GO TO SMART KEY SYSTEM (ENTRY) Room Oscillator Does Not Recognize Key

OK -- END (MAIN BODY ECU DEFECTIVE)