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 (COWL SIDE JUNCTION BLOCK LH)
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