
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 SRS-ECU connector B-109 and seat belt pre-tensioner (LH) connector C-18 (M.U.T.-III diagnosis code).




Q.
Is diagnosis code B1470 set?

STEP 4. Check the seat belt pre-tensioner (LH) (M.U.T.-III diagnosis code).



Q.
Is diagnosis code B1470 set?


STEP 5. Resistance measurement at the SRS-ECU connector B-109.





Q.
Is the check result normal?

STEP 6. Check whether the diagnosis code is reset.
Q.
Is diagnosis code B1470 set?

