

OPERATION
DIAGNOSIS CODE SET CONDITIONS
PROBABLE CAUSES
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III CAN bus diagnostics.
Q.
Is the CAN bus line found to be normal?


STEP 2. Check whether the diagnosis code is reset.
Q.
Is the diagnosis code set?


STEP 3. Check the side-airbag module (LH) (M.U.T.-III diagnosis code).


Q.
Is diagnosis code B1431 set?


STEP 4. Resistance measurement between the SRS-ECU connector B-109 (terminal No.15 and 16) and the side-airbag module connector C-20 (terminal No.1 and 2).




Q.
Are the check result normal?

STEP 5. Check the side-airbag module (RH) (M.U.T.-III diagnosis code).




Q.
Is diagnosis code B1420 set?


STEP 6. Check whether the diagnosis code is reset.
Q.
Is diagnosis code B1431 set?

