MSB is released for this page as follows:
Release DateSubjectMSB No.
2011-01-20AIR CONDITIONER AND ON BOARD CHARGER/DC-DC CONVERTER TROUBLESHOOTINGMSB-11E54_55-501
2011-02-20AIR CONDITIONER AND ON BOARD CHARGER/DC-DC CONVERTER TROUBLESHOOTINGMSB-11E54_55-502
2012-02-10INFORMATION ON 2011/12 i-MiEVMSB-12E54-001

Code No. 29: Pilot Signal Abnormal








TROUBLE JUDGMENT


Check Conditions
  • The on board charger control power supply voltage is more than 8 V.
  • While the on board charger is allowed to be charged from the EV-ECU.
  • While the AC power supply is being input.
Judgement Criterion
  • The pilot signal duty ratio is less than 7 % for more than 2 seconds.
or

  • The pilot signal duty ratio is more than 97 % for more than 2 seconds.

FAIL-SAFE AND BACKUP FUNCTION



  • The charge is stopped.

PROBABLE CAUSES



  • The charging cable is failed.
  • Open circuits of pilot signal circuit, short circuits to earth, short circuits to power supply system and damage; poor contacts of connector
  • The on board charger is failed.

DIAGNOSIS PROCEDURE


STEP 1. Check the charging circuit interrupting device status of the charging cable.



  • During the regular charging.

Q. Is the FAULT indicator (red lamp) lit or blinked?

Refer to Inspection Procedure: FAULT indicator (red lamp) is lit , FAULT indicator (red lamp) blinks .
Go to Step 2 .

STEP 2. Check pilot signal terminal itself.



  • Check charging cable (Refer to ).

Q. Is the check result normal?

Go to Step 3 .
Replace the charging cable.

STEP 3. Connector check: G-03 regular charging connector and E-03 on board charger/DC-DC converter connector.


Q. Are the check results normal?

Go to Step 4 .
Repair or replace the connector.

STEP 4. Check harness between G-04 (terminal No. 3) regular charging connector and E-03 (terminal No. 9) on board charger/DC-DC converter.


note Before checking harness, check intermediate connector G-12, and repair if necessary.

  • Check the signal line for open circuits, short circuits to earth and damage.

Q. Is the check result normal?

Go to Step 5 .
Repair the damaged harness wire.

STEP 5. M.U.T.-III diagnosis code



  • Reconfirmation of diagnosis code.

Q. Is diagnosis code set?

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 ).





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