Code No. P0A10:
DCDC converter (2)
AUXILIARY BATTERY CHARGING CONTROL CIRCUIT OPERATION DIAGNOSIS CODE SET CONDITIONS
When the DC-DC converter driving state continues for
2 seconds or longer while the DC-DC converter stop is underway, the diagnosis code No. P0A10
will be set.
PROBABLE CAUSES
Damaged wiring harness or connector(s)
Malfunction of the DC-DC converter
Malfunction of the EV-ECU
STEP 1. Connector check: E-03 on board charger/DC-DC
converter connecter, C-111 EV-ECU connector
Q.
Is the check result normal?
STEP 2. Check the wiring harness between E-03 on board charger/DC-DC
converter connector terminal No. 4, 11 and C-111 EV-ECU connector terminal No. 116, 127.
Check the signal lines for short to power supply.
Q.
Is the check result normal?
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?
STEP 4. 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?
STEP 5. 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?
MMC-Manuals.ru
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Go to Step 2.
Repair the damaged connector.
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Then go to Step 4.