Code No. P1D08: Load Connection Abnormal




TROUBLE JUDGEMENT


Check Condition
  • While the on board charger is allowed to be charged from the PHEV-ECU.
Judgement Criterion
  • The output voltage is lower or equal to the specified voltage.

FAIL-SAFE AND BACKUP FUNCTION



  • The charge is stopped.

PROBABLE CAUSES



  • Open circuit or harness damage in high voltage circuits between on board charger/DC-DC converter and drive battery, or loose connector contact.
  • The high voltage fuse is melted down inside the RMCU.
  • The on board charger/DC-DC converter is failed

DIAGNOSIS PROCEDURE


danger When high voltage system components are served, be sure to pull service plugs to shut down high voltage (Refer to ).
danger When pulling service plugs, wear the specified protective equipment (Refer to ).

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


Q. Is the diagnosis code of PHEV-ECU system stored?

Check PHEV-ECU system (Refer to ).
Go to Step 2.

STEP 2. Perform the continuity check of the high voltage fuse inside the RMCU.



danger When high voltage system components are served, be sure to pull service plugs to shut down high voltage before serving (Refer to ).
danger When pulling service plugs, wear the specified protective equipment (Refer to ).

  • Check continuity of high voltage fuse both ends.
OK: Continuity

Q. Is the check result normal?

Go to Step 3.

Replace the high voltage fuse.

STEP 3. Check of open circuit and damage in P line and N line between on board charger/DC-DC converter connector and drive battery connector.


Q. Is the check result normal?

Go to Step 4.
Repair the connector(s) or wiring harness.

STEP 4. M.U.T.-III diagnosis code.



  • Reconfirmation of diagnosis code.

Q. Is the diagnosis code stored?

Replace the on board charger/DC-DC converter.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).