B2604

B2604 SHIFT POSITION

DTC Logic


DTC DETECTION LOGIC

NOTE:
- If DTC B2604 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
"DTC Logic" With Intelligent Key System.
- If DTC B2604 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
"DTC Logic" With Intelligent Key System.






DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Shift the selector lever to the P position.
2.Turn ignition switch ON and wait 5 seconds or more.
3.Shift the selector lever to the N position and wait 5 seconds or more.
4.Shift the selector lever to any position other than P and N, and wait 5 seconds or more.
5.Check DTC in Self Diagnostic Result mode of BCM using CONSULT.
Is DTC detected?
YES- Go to "Diagnosis Procedure" .
NO- Inspection End.


Diagnosis Procedure

Regarding Wiring Diagram information, refer to "Wiring Diagram" NVIS - With Intelligent Key System.

1. CHECK DTC OF TCM

Check DTC in Self Diagnostic Result mode of TCM using CONSULT.
Is DTC detected?
YES- Perform the trouble diagnosis related to the detected DTC. Refer to "DTC Index" Testing and Inspection.
NO- GO TO 2.

2. CHECK FUSE

1.Turn power switch OFF.
2.Check that the following fuse in IPDM E/R 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 TRANSMISSION RANGE SWITCH POWER SUPPLY

1.Disconnect transmission range switch connector.
2.Turn ignition switch ON.
3.Check voltage between transmission range switch harness connector and ground.





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

4. CHECK TRANSMISSION RANGE SWITCH POWER SUPPLY CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect IPDM E/R connector.
3.Check continuity between transmission range switch harness connector and IPDM E/R harness connector.





Is the inspection result normal?
YES- Replace IPDM E/R. Refer to "Removal and Installation" IPDM E/R (With I-Key).
NO- Repair or replace harness.

5. CHECK BCM INPUT SIGNAL

1.Turn ignition switch OFF.
2.Reconnect transmission range switch connector.
3.Turn ignition switch ON.
4.Check voltage between BCM harness connector and ground.





Is the inspection result normal?
YES- GO TO 9.
NO- GO TO 6.

6. CHECK BCM INPUT SIGNAL CIRCUIT

1.Turn ignition switch OFF.
2.Disconnect transmission range switch connector.
3.Disconnect BCM connector.
4.Check continuity between transmission range switch harness connector and BCM harness connector.





5.Check continuity between transmission range switch harness connector and ground.





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

7. CHECK TRANSMISSION RANGE SWITCH

Refer to "Component Inspection" .
Is the inspection result normal?
YES- GO TO 8.
NO- Replace transmission range switch.

8. CHECK INTERMITTENT INCIDENT

Refer to "Intermittent Incident" Intermittent Incident.
- Inspection End.

9. 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.


Component Inspection


1. CHECK TRANSMISSION RANGE SWITCH

1.Turn ignition switch OFF.
2.Disconnect transmission range switch connector.
3.Check continuity between transmission range switch terminals.





Is the inspection result normal?
YES- Inspection End.
NO- Replace transmission range switch.