B1450 Curtain air bag module (LH) (squib) system (short-circuited between terminals of the squib circuit) MMC Colt



OPERATION


DIAGNOSIS CODE SET CONDITIONS


PROBABLE CAUSES

  • Improper engaged connector or defective short spring*
  • Short circuit between the curtain air bag module (LH) (squib) circuit terminals
  • Damaged connector(s)
  • Malfunction of the SRS-ECU


  • DIAGNOSIS PROCEDURE

    STEP 1. M.U.T.-III CAN bus diagnostics.

    Q. Is the check result 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 curtain air bag module (LH) connector C-08 (M.U.T.-III diagnosis code).

    Q. Is diagnosis code B1450 set?

    STEP 4. Check the curtain air bag module (LH). (M.U.T.-III diagnosis code)

    Q. Is diagnosis code B1450 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 B1450 set?

    Author: admin