DESCRIPTION
This DTC is stored when there is a LIN communication problem between the main body ECU and certification ECU (smart key ECU assembly) or when there is a problem in the engine immobiliser system.
| DTC Code | Detection Condition | Trouble Area |
|---|---|---|
| B2289 | When either of the following conditions is met:
|
|
WIRING DIAGRAM
INSPECTION PROCEDURE
PROCEDURE
CHECK WHETHER DTC OUTPUT RECURS
Clear the DTCs Click here.
Check whether DTC B2289 is output.
| Result | Proceed to |
|---|---|
| DTC B2289 output | A |
| No DTC output | B |
| B |
|
USE SIMULATION METHOD TO CHECK Click here |
| A |
|
CHECK HARNESS AND CONNECTOR (MAIN BODY ECU - CERTIFICATION ECU (SMART KEY ECU ASSEMBLY))
Disconnect the 2D main body ECU connector.
Disconnect the E29 certification ECU (smart key ECU assembly) connector.
Measure the resistance according to the value(s) in the table below.
| Standard Resistance | |||||||||
|---|---|---|---|---|---|---|---|---|---|
|
| NG |
|
REPAIR OR REPLACE HARNESS OR CONNECTOR |
| OK |
|
REPLACE MAIN BODY ECU
Temporarily replace the main body ECU with a new or normally functioning one.
Check whether DTC B2289 is output.
| OK |
|---|
| No DTC is output. |
| NG |
|
REPLACE CERTIFICATION ECU (SMART KEY ECU ASSEMBLY) |
| OK |
|
END