B2513

B2513 HEIGHT SENSOR UNUSUAL [FR]

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. DTC ERASE

Erase the DTC memory of AFS with CONSULT.
- GO TO 2.

2. DTC CONFIRMATION

1.Start the engine.
2.Turn the headlamp ON.
3.Select the self-diagnosis with CONSULT.
4.Check the self-diagnosis result. Refer to "DTC Index" Testing and Inspection.
Is DTC "B2513" detected?
YES- Refer to "Diagnosis Procedure" .
NO- Refer to "Intermittent Incident" Intermittent Incident.


Diagnosis Procedure


1. CHECK HEIGHT SENSOR SIGNAL INPUT

1.Turn ignition switch ON.
2.Check voltage between AFS control unit harness connector and ground.





Is the measurement value within the standard value?
YES- Replace AFS control unit. Refer to "Removal and Installation" Removal and Installation
Less than the standard value -GO TO 2.
Higher than the standard value-GO TO 5.

2. CHECK HEIGHT SENSOR POWER SUPPLY CIRCUIT INPUT VOLTAGE

1.Turn ignition switch OFF.
2.Disconnect front height sensor connector.
3.Turn ignition switch ON.
4.Check voltage between front height sensor harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- GO TO 4.

3. CHECK HEIGHT SENSOR SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect AFS control unit connector.
3.Check continuity between AFS control unit harness connector and front height sensor harness connector.





4.Check continuity between AFS control unit harness connector and ground.





Is the inspection result normal?
YES- Replace front height sensor. Refer to "Removal and Installation" Removal and Installation.
NO- Repair or replace harness.

4. CHECK HEIGHT SENSOR POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect AFS control unit connector.
3.Check continuity between AFS control unit harness connector and front height sensor harness connector.





4.Check continuity between AFS control unit harness connector and ground.





Is the inspection result normal?
YES- Replace AFS control unit. Refer to "Removal and Installation" Removal and Installation
NO- Repair or replace harness.

5. CHECK HEIGHT SENSOR GROUND CIRCUIT VOLTAGE OUTPUT

Check voltage between AFS control unit harness connector and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- Replace AFS control unit. Refer to "Removal and Installation" Removal and Installation

6. CHECK HEIGHT SENSOR GROUND OPEN CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect AFS control unit connector and front height sensor connector.
3.Check continuity between AFS control unit harness connector and front height sensor harness connector.





Is the inspection result normal?
YES- Replace front height sensor. Refer to "Removal and Installation" Removal and Installation.
NO- Repair or replace harness.