DTC B1405 SCU Collation
DTC DETECTING CONDITION:
Reference code incompatibility between security control module and body integrated unit
CAUTION:
When the security control module is replaced, registration of the immobilizer system is required. For details, refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume.
| Step | Check | Yes | No |
|---|---|---|---|
| 1 CHECK DTC. Read the DTC of the body integrated unit. <Ref. to READ DIAGNOSTIC TROUBLE CODE (DTC) .> |
Is DTC B1406 or B1409 displayed? | Perform the diagnosis for the displayed DTC B1406 or B1409. | Go to step 2 . |
| 2 PERFORM SECURITY CONTROL MODULE REGISTRATION. Perform security control module registration. Refer to the "REGISTRATION MANUAL FOR IMMOBILIZER" provided as a separate volume. |
Is registration complete? | Currently, it is normal. (Security control module registration is not complete.) | Go to step 3 . |
3 CHECK DTC.
|
Is DTC B1406 or B1409 displayed? | Perform the diagnosis for the displayed DTC B1406 or B1409. | Replace the security control module. <Ref. to Security Control Module .> |