C1612

C1612 FLOW CONNECTION VALVE

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. DTC REPRODUCTION PROCEDURE

With CONSULT
1.Set the vehicle to READY state or start the engine.
2.Perform "EPS" self-diagnosis.
Is DTC "C1612" detected?
YES- Proceed to diagnosis procedure. .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK FLOW CONNECTION VALVE

Check flow connection valve. .
Is the inspection result normal?
YES- GO TO 2.
NO- Flow connection valve is malfunction. Replace steering gear assembly. With Heated Steering Wheel (With heated steering wheel), Without Heated Steering Wheel (Without heated steering wheel).

2. CHECK FLOW CONNECTION VALVE POWER SUPPLY CIRCUIT

1.Disconnect power steering control module harness connector.
2.Check continuity between power steering control module harness connector terminal and flow connection valve harness connector terminal.





3.Check continuity between flow connection valve harness connector terminal and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace error-detected parts.

3. CHECK TERMINALS AND HARNESS CONNECTORS

- Check power steering control module pin terminals for damage or loose connection with harness connector.
- Check flow connection valve pin terminals for damage or loose connection with harness connector.
Is the inspection result normal?
YES- Power steering control module is malfunction. Replace power steering oil pump assembly. With Heated Steering Wheel (With heated steering wheel), Without Heated Steering Wheel (Without heated steering wheel).
NO- Repair or replace error-detected parts.


Component Inspection


1. CHECK FLOW CONNECTION VALVE

1.Turn the ignition switch OFF.
2.Disconnect flow connection valve harness connector.
3.Check resistance between flow connection valve connector terminals.





Is the inspection result normal?
YES- GO TO 2.
NO- Flow connection valve is malfunction. Replace steering housing assembly. With Heated Steering Wheel.

2. CHECK FLOW CONNECTION VALVE OPERATION

1.Connect flow connection valve harness connector.
2.Lift up the vehicle.
3.Set the vehicle in READY state from ignition switch OFF and check operating noise of the flow connection valve.
Is there operating noise of the flow connection valve?
YES- INSPECTION END
NO- Flow connection valve is malfunction. Replace steering housing assembly. With Heated Steering Wheel.