B1443 – Curtain air bag module (RH) (squib) system (short-circuited to the power supply) MMC Colt



OPERATION


DIAGNOSIS CODE SET CONDITIONS


PROBABLE CAUSES

  • Damaged wiring harnesses or connectors
  • Short to the power supply in the curtain air bag module (RH) (squib) harness
  • 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 the curtain air bag module (RH) (M.U.T.-III diagnosis code).

    Q. Is diagnosis code B1443 set?

    STEP 4. Voltage measurement at the SRS-ECU connector B-109.

    Q. Are the check results normal?

    STEP 5. Check whether the diagnosis code is reset.

    Q. Is diagnosis code B1443 set?

    Author: admin