B2555

B2555 STOP LAMP

DTC Logic


DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Depress brake pedal and wait 1 second or more.
2.Check DTC in "Self Diagnostic Result" mode of "BCM" using CONSULT.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK STOP LAMP SWITCH INPUT SIGNAL 1

1.Turn power switch OFF.
2.Disconnect BCM connector.
3.Check voltage between BCM harness connector and ground.





Is the inspection normal?
YES- GO TO 2.
NO-1- Check 10 A fuse [No. 38, located in the fuse block (J/B)].
NO-2- Check harness for open or short between BCM and fuse.

2. CHECK STOP LAMP SWITCH POWER SUPPLY CIRCUIT

1.Disconnect stop lamp switch connector.
2.Check voltage between stop lamp switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Check harness for open or short between stop lamp switch and fuse.

3. CHECK STOP LAMP SWITCH INPUT SIGNAL 2

1.Connect stop lamp switch connector.
2.Check voltage between BCM harness connector and ground.





Is the inspecting result normal?
YES- GO TO 4.
NO- GO TO 5.

4. REPLACE BCM

1.Replace BCM. Refer to "Removal and Installation" Service and Repair.
2.Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
- INSPECTION END

5. CHECK STOP LAMP SWITCH CIRCUIT

1.Disconnect stop lamp switch connector.
2.Check continuity between stop lamp switch harness connector and BCM harness connector.





3.Check continuity between stop lamp switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 6.
NO- Repair or replace harness.

6. CHECK STOP LAMP SWITCH

Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 7.
NO- Replace stop lamp switch. Refer to "Removal and Installation" Removal And Installation.

7. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK STOP LAMP SWITCH

1.Turn power switch OFF.
2.Disconnect stop lamp switch connector.
3.Check continuity between stop lamp switch terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace stop lamp switch. Refer to "Removal and Installation" Removal And Installation.