B2620

B2620 PARK/NEUTRAL POSITION SWITCH

DTC Logic

NOTE:
- If DTC B2620 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
With Intelligent Key System.
- If DTC B2620 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
With Intelligent Key System.

DTC DETECTION LOGIC







DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Start the engine.
2.Drive vehicle at a speed of 40 km/h (24.8 MPH) or more for 10 seconds.
3.Decrease the vehicle speed to below 40 km/h (24.8 MPH).
4.Repeat steps 2 and 3 twice (a total of 3 times).
5.Check DTC in "Self Diagnostic Result" mode of "BCM" using CONSULT.
Is DTC detected?
YES - Go to .
NO- INSPECTION END


Diagnosis Procedure


1. CHECK DTC OF COMBINATION METER

Check DTC in "Self Diagnostic Result" mode of "METER/M&A" using CONSULT.
Testing and Inspection.
Is the inspection result normal?
YES- GO TO 2.
NO- Repair or replace the malfunctioning parts.

2. CHECK FUSE

1.Turn power switch OFF.
2.Check that the following fuse in the fuse block (J/B) is not blown.





Is the inspection result normal?
YES- GO TO 3.
NO- Replace the blown fuse after repairing the cause of blowing.

3. CHECK PARK/NEUTRAL POSITION SWITCH POWER SUPPLY

1.Turn ignition switch OFF.
2.Disconnect park/neutral position switch connector.
3.Turn ignition switch ON.
4.Check voltage between park/neutral position switch harness connector and ground.





Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace harness.

4. CHECK PARK/NEUTRAL POSITION SWITCH INPUT SIGNAL

1.Turn ignition switch OFF.
2.Connect park/neutral position switch connector.
3.Turn ignition switch ON.
4.Check voltage between BCM harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- GO TO 6.

5. REPLACE BCM

1.Replace BCM. With Intelligent Key System.
2.Perform initialization of BCM and registration of all Intelligent Keys using CONSULT.
- INSPECTION END

6. CHECK PARK/NEUTRAL POSITION SWITCH SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect park/neutral position switch connector.
3.Disconnect BCM connector.
4.Check continuity between park/neutral position switch harness connector and BCM harness connector.





Is the inspection result normal?
YES- GO TO 7.
NO- Repair or replace harness.

7. CHECK PARK/NEUTRAL POSITION SWITCH

.
Is the inspection result normal?
YES- GO TO 8.
NO- Replace park/neutral position switch. Removal And Installation.

8. CHECK INTERMITTENT INCIDENT

Intermittent Incident.
- INSPECTION END


Component Inspection


1. CHECK PARK/NEUTRAL POSITION SWITCH

1.Turn ignition switch OFF.
2.Disconnect park/neutral position switch connector.
3.Check continuity between park/neutral position switch terminals.





Is the inspection result normal?
YES- INSPECTION END
NO- Replace park/neutral position switch. Removal And Installation.