Code No. P1B02: Quick charger current stop time-out
Code No. P1B03: Quick charger end processing time-out


QUICK CHARGING CONTROL SYSTEM CIRCUIT





OPERATION



  • The quick charger communicates with EV-ECU via the local CAN (for the quick charger).

DIAGNOSIS CODE SET CONDITIONS



  • After the quick charging approval signal is set from ON to OFF, if the charging current does not stop for 10 seconds or longer, the diagnosis code No. P1B02 will be set.
  • When the quick charger contactor drive relay is set to OFF, if the conditions that the quick charger power supply signal is OFF, quick charger start signal is OFF, and quick charger lock signal on the local CAN (for quick charger) is OFF are not met for 10 seconds or longer, the diagnosis code No. P1B03 will be set.

PROBABLE CAUSES



  • Damaged wiring harness or connector(s)
  • Malfunction of quick charger

DIAGNOSIS PROCEDURE

STEP 1. Connector check: G-10 quick charging connection, C-106, C-111 EV-ECU connector

Q. Is the check result normal?
Go to Step 2.
Repair the damaged connector.

STEP 2. Check the wiring harness between G-10 quick charging connection terminal No. 4, 6, 10 and C-111 EV-ECU connector terminal No. 111, 124 and C-106 EV-ECU connector terminal No. 4.
Check the signal lines for short to earth or open circuit.

Q. Is the check result normal?
Check the quick charger. Then go to Step 3.
Repair the wiring harness.

STEP 3. Diagnosis code recheck
Check again if the diagnosis code is set to the EV-ECU.
(1)Erase the stored diagnosis code.
(2)Set the electric motor switch from the "LOCK" (OFF) position to the "ON" position.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?
Return to Step 1.
The diagnosis is complete.