P3110

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. PERFORM DTC CONFIRMATION PROCEDURE

1.Turn ignition switch ON.
2.Turn ignition switch OFF and wait at least 2 minutes.
3.Turn ignition switch ON.
4.Check DTC.
Is DTC detected?
YES- Proceed to .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK SELF SHUT-OFF RELAY OUTPUT SIGNAL CIRCUIT

Check the voltage between HPCM harness connector and ground as per the following conditions.





Is the inspection result normal?
YES- Perform Intermittent Incident.
NO- GO TO 2.

2. CHECK SELF SHUT-OFF RELAY CIRCUIT-1

1.Disconnect 12 V battery negative cable terminal.
2.Remove fuse.
3.Check the continuity between fuse terminals.





Battery Power Supply
4.Also check harness for short to ground and short to power.
Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace error-detected parts.

3. CHECK SELF SHUT-OFF RELAY CIRCUIT-2

1.Disconnect HPCM harness connector.
2.Remove self shut-OFF relay.
3.Check the continuity between HPCM harness connector and self shut-OFF relay.





Battery Power Supply
4.Also check harness for short to ground and short to power.
Is the inspection result normal?
YES- Perform Intermittent Incident.
NO- Repair or replace error-detected parts.