Code No. P0459: Purge Control Solenoid Valve Circuit High Input




OPERATION




FUNCTION




TROUBLE JUDGEMENT


Check Conditions
Judgement Criterion

FAIL-SAFE AND BACKUP FUNCTION




PROBABLE CAUSES




DIAGNOSIS PROCEDURE


STEP 1. M.U.T.-III actuator test



  • Item 10: Purge control solenoid valve
OK: Operating sound can be heard and the valve vibrates

Q. Is the check result normal?

Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
Go to Step 2.

STEP 2. Check harness between purge control solenoid valve connector terminal and engine-ECU connector terminal PURG.



  • Check output line for short circuit.

Q. Is the check result normal?

Go to Step 3.
Repair or replace the connector, or repair the damaged harness wire.

STEP 3. M.U.T.-III actuator test



  • Item 10: purge control solenoid valve
OK: Operating sound can be heard and the valve vibrates

Q. Is the check result normal?

Intermittent malfunction (Refer to GROUP 00 - How to Use Troubleshooting/Inspection Service Points - How to Cope with Intermittent Malfunctions ).
Replace the engine-ECU.