Code No. P2530: Ignition Switch-IG1 Circuit




OPERATION




FUNCTION




TROUBLE JUDGEMENT


Check Condition
Judgement Criterion

FAIL-SAFE AND BACKUP FUNCTION




PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III CAN bus diagnosis



  • Use M.U.T.-III to perform CAN bus line diagnosis.

Q. Is the check result normal?

Go to Step 2.
Repair CAN bus line (Refer to GROUP 54C <PHEV> - Troubleshooting - CAN Bus Diagnostics Table ).

STEP 2. M.U.T.-III diagnosis code



  • Confirm the diagnosis code is stored in the ETACS-ECU.

Q. Is diagnosis code stored?

Perform troubleshooting of ETACS (Refer to GROUP 54A <PHEV> - ETACS - Diagnosis Code Chart ).
Go to Step 3.

STEP 3. Check harness between engine-ECU connector terminal IGN and ETACS-ECU connector terminal IGN.



  • Check signal line for short circuit.

Q. Is the check result normal?

Go to Step 4.
Repair or replace the connector, or repair the damaged harness wire.

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



  • Reconfirmation of diagnosis code.

Q. Is diagnosis code stored?

Go to Step 5.
Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).

STEP 5. Replace the ETACS-ECU



  • After replacing the ETACS-ECU, reconfirm whether the diagnosis code is stored.

Q. Is the diagnosis code stored?

Replace the engine-ECU.
Check end.