B2601

B2601 SHIFT POSITION

DTC Logic


DTC DETECTION LOGIC

NOTE:
- If DTC B2601 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to
"DTC Logic" Body Control System.
- If DTC B2601 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to
"DTC Logic" Body Control System.






DTC CONFIRMATION PROCEDURE


1. PERFORM DTC CONFIRMATION PROCEDURE

1.Shift the selector lever to the P (Park) position.
2.Turn ignition switch ON and wait 2 seconds or more.
3.Shift the selector lever to any position other than P (Park) and wait 2 seconds or more.
4.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" Engine Start Function.

1. CHECK CVT SHIFT SELECTOR SWITCH FUNCTION

1.Turn ignition switch ON.
2.Select "DETE/CANCEL SW" and "DETENT SW - IPDM" in DATA MONITOR mode with CONSULT.
3.Check "DETE/CANCEL SW" and "DETENT SW - IPDM" indication under the following conditions.





Is the inspection result normal?
YES- Refer to "Intermittent Incident" Intermittent Incident.
NO-1- If DETE/CANCEL SW function is incorrect. GO TO 2.
NO-2- If DETENT SW - IPDM function is incorrect. GO TO 5.
Revision: March 20122013 Infiniti JX

2. CHECK CVT SHIFT SELECTOR CIRCUIT (BCM)

1.Disconnect BCM connector and IPDM E/R connector.
2.Check continuity between CVT shift selector (park position switch) harness connector and BCM harness connector.





3.Check continuity between CVT shift selector (park position switch) harness connector and ground.





Is the inspection result normal?
YES- GO TO 3.
NO- Repair or replace harness.

3. CONNECTOR INSPECTION

1.Disconnect BCM.
2.Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES- GO TO 4.
NO- Repair or replace as necessary.

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 CVT SHIFT SELECTOR CIRCUIT (IPDM E/R)

Check continuity between CVT shift selector (park position switch) harness connector and IPDM E/R harness connector.





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

6. CONNECTOR INSPECTION

1.Disconnect IPDM E/R.
2.Check connectors and terminals for deformation, disconnection, looseness or damage.
Is the inspection result normal?
YES- GO TO 7.
NO- Repair or replace as necessary.

7. REPLACE IPDM E/R

1.Replace IPDM E/R. Refer to "Removal and Installation" Service and Repair.
- Inspection End.
Revision: March 20122013 Infiniti JX


Component Inspection


1. CHECK CVT SHIFT SELECTOR (PARK POSITION SWITCH)

1.Turn ignition switch OFF.
2.Disconnect CVT shift selector connector.
3.Check continuity between CVT shift selector (park position switch) terminals.





Is the inspection result normal?
YES- Inspection End.
NO- Replace CVT shift selector. Refer to "Removal and Installation" Removal and Installation.
Revision: March 20122013 Infiniti JX