Code No.B1551: SRS warning lamp circuit open-circuited (Lamp does not Switch Off).






OPERATION




DIAGNOSIS CODE SET CONDITIONS




TROUBLESHOOTING HINTS




DIAGNOSIS PROCEDURE


STEP 1. Check the harness for open circuit to earth between SRS-ECU connector C-131 (terminal No.8) and combination meter connector C-113 (terminal No.18).






  • Check the SRS warning lamp output lines of open circuit

Q. Is the check result normal?

Go to Step 2.

Repair the harness wire between SRS-ECU connector C-131 (terminal No.8) and combination meter connector C-113 (terminal No.18).

STEP 2. Check whether the diagnosis code is reset.


Q. Is diagnosis code B1551 set?

Replace the SRS-ECU (Refer to ).
An intermittent malfunction is suspected (Refer to GROUP 00, How to Cope with Intermittent Malfunction ).