B1427 – Side impact sensor (RH) voltage error MMC Colt



OPERATION


DIAGNOSIS CODE SET CONDITIONS


PROBABLE CAUSES

  • Damaged wiring harness or connectors
  • Malfunction of the side air bag module (RH) (squib)
  • Malfunction of the SRS-ECU

  • 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 harness wires for open circuit and short circuit between SRS-ECU connector B-109 (terminal No.38 and 39) and side impact sensor (RH) connector C-30 (terminal No.1 and 2).

    Q. Is the check result normal?

    STEP 4. Check the side impact sensor (RH). (M.U.T.-III diagnosis code)

    Q. Is diagnosis code B1437 set?

    STEP 5. Check whether the diagnosis code is reset.

    Q. Is diagnosis code B1427 set?

    Author: admin