

OPERATION
DIAGNOSIS CODE SET CONDITIONS
PROBABLE CAUSES
DIAGNOSIS PROCEDURE
STEP 1. M.U.T.-III diagnosis code.
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 seat belt pre-tensioner (LH) (M.U.T.-III diagnosis code).




Q.
Is diagnosis code B1471 set?



STEP 4. Resistance measurement between SRS-ECU connector B-109 (terminal No.19 and 20) and the seat belt pre-tensioner C-18 (terminal No.2 and 1).






Q.
Are the check results normal?

STEP 5. Check whether the diagnosis code is reset.
Q.
Is diagnosis code B1471 set?

