P3248

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PRECONDITIONING

If "DTC CONFIRMATION PROCEDURE" has been previously conducted, always turn ignition switch OFF and wait at least 10 seconds before conducting the next test.
- GO TO 2.

2. CHECK DTC DETECTION

1.Perform "INSPECTION MODE 5". Description.
2.Start the engine and wait for 10 seconds or more.
3.Check DTC.
Is "P3248" detected?
YES- Go to .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK TRACTION MOTOR INVERTER HARNESS CONNECTOR

1.Turn ignition switch OFF.
2.Check the connection conditions of the traction motor inverter harness connector.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace damaged parts.

2. CHECK POWER CIRCUIT

1.Disconnect the traction motor inverter harness connector.
2.Turn ignition switch ON.
3.Check the voltage between traction motor inverter vehicle side harness connector terminals.

CAUTION:
Never damage connector terminals.





Is the inspection result normal?
YES- Replace the traction motor inverter. Removal and Installation.
NO- GO TO 3.

3. DETECTION OF MALFUNCTION ITEMS

Check the following items:
- Harness open circuit or short circuit between traction motor inverter vehicle side harness connector terminals and fuse and fusible link block No.3
- Harness open circuit or short circuit between fuse and fusible link block No.3 and 12V battery
- 10A fuse (#71, Fuse and fusible link block No.3)
- 50A fusible link (#Y, Fuse and fusible link block No.3)
- Self shut off relay
- 12V battery
Is the inspection result normal?
YES- Check intermittent incident. Intermittent Incident.
NO- Repair or replace damaged parts.