Code No. P1B29: Regular charging connection signal, short to power supply



REGULAR CHARGING CONTROL SYSTEM CIRCUIT







OPERATION




DIAGNOSIS CODE SET CONDITIONS




PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. Measure the resistance at C-111 EV-ECU connector.


Check the signal lines for short to power supply. Do not connect the charging cable.
(1)C-111 Disconnect the EV-ECU connector, and measure the resistance at the wiring harness side.
(2)Measure the resistance between the C-111 EV-ECU connector terminal No. 103 and the body earth.
OK: 2,430 - 2,970Ω (at 20°C)

Q. Is the check result normal?

Go to Step 4.
Go to Step 2.

STEP 2. Connector check: G-03 quick charger plug connector, C-111 EV-ECU connector, G-04 earth connector


Q. Is the check result normal?

Go to Step 3.
Repair the damaged connector.

STEP 3. Check the wiring harness between C-111 EV-ECU connector terminal No. 103 and G-03 on board charger plug connector terminal No. 4 and G-04 earth.


Check the signal lines for short to power supply.

Q. Is the check result normal?

Go to Step 4.
Repair the wiring harness.

STEP 4. Diagnosis code recheck


Check again if the diagnosis code is set to the EV-ECU.
(1)Erase the stored diagnosis code.
(2)Connect the regular charging cable.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?

Replace the EV-ECU. (Refer to .) Then go to Step 5.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunction .)

STEP 5. Diagnosis code recheck


Check again if the diagnosis code is set to the EV-ECU.
(1)Erase the stored diagnosis code.
(2)Connect the regular charging cable.
(3)Check if the diagnosis code is set.

Q. Is the diagnosis code set?

Return to Step 1.
The diagnosis is complete.




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