Posted in Mitsubishi Colt

P1969 – Trustful Check Engine Speed Vehicle with ASC MMC Colt

 Posted by  Posted on September 26, 2020

FUNCTION

  • The ignition timing retard request signal is abnormal from ABS/ASC-ECU.

    • TROUBLE JUDGMENT

  • Ignition switch is “ON” position.
  • The ignition timing retard request signal is abnormal.

    • PROBABLE CAUSES

  • Failed ABS/ASC-ECU
  • Failed CAN
  • Failed engine-ECU

    • DIAGNOSIS PROCEDURE

    STEP 1. M.U.T.-III diagnosis code

    Q. Is diagnosis code related with CAN communication displayed?

    STEP 2. M.U.T.-III other system diagnosis code

  • Confirm whether the diagnosis codes are output from ABS/ASC-ECU.

    • Q. Is the diagnosis code output?

    Author: admin