Code No. P1244: RAM Test for All Area


FUNCTION



  • Monitors the computation function of the engine-ECU periodically.

TROUBLE JUDGMENT


Check Condition
  • Ignition switch is "ON" position.
Judgment Criterion
  • All RAM data of engine-ECU are defect.

PROBABLE CAUSE



  • Failed engine-ECU

DIAGNOSIS PROCEDURE

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

  • Reconfirmation of diagnosis code.

Q. Is diagnosis code set?
Replace the engine-ECU.
Intermittent malfunction (Refer to Group 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).