Posted in Mitsubishi Colt

B1452 – Curtain air bag module (LH) (squib) system (short-circuited to the earth) MMC Colt

 Posted by  Posted on September 28, 2020

OPERATION

DIAGNOSIS CODE SET CONDITIONS

PROBABLE CAUSES

  • Damaged wiring harnesses or connectors
  • Short to the earth in the curtain air bag module (LH) (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 (LH) (M.U.T.-III diagnosis code).

    Q. Is diagnosis code B1452 set?

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

    Q. Is the check result normal?

    STEP 5. Check whether the diagnosis code is reset.

    Q. Is diagnosis code B1452 set?

    Author: admin