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" Body Control System.
- If DTC B2604 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 5 seconds or more.
3.Shift the selector lever to the N (Neutral) position and wait 5 seconds or more.
4.Shift the selector lever to any position other than P (Park) and N (Neutral) 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" Engine Start Function.

1. CHECK CVT SHIFT SELECTOR SWITCH FUNCTION

1.Turn ignition switch ON.
2.Select "SFT P -MET", "SFT N -MET" and "SFT PN/N SW" in DATA MONITOR mode with CONSULT.
3.Check "SFT P -MET", "SFT N -MET" and "SFT PN/N SW" indication under the following conditions.





Revision: March 20122013 Infiniti JX

Is the inspection result normal?
YES- Refer to "Intermittent Incident" Intermittent Incident.
NO-1- If SFT N -MET or SFT P -MET is incorrect. GO TO 7.
NO-2- If SFT PN/N SW is incorrect. GO TO 2.

2. 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" A L L Diagnostic Trouble Codes ( DTC ).
NO- GO TO 2.

3. CHECK BCM INPUT SIGNAL

1.Turn ignition switch ON.
2.Check voltage between BCM harness connector and ground.





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

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 BCM INPUT SIGNAL CIRCUIT

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





Revision: March 20122013 Infiniti JX
5.Check continuity between TCM harness connector and ground.





Is the inspection result normal?
YES- GO TO 5.
NO- Repair or replace harness.

6. CHECK INTERMITTENT INCIDENT

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

7. CHECK CVT SHIFT SELECTOR RANGE SWITCH FUNCTION (METER)

1.Turn ignition switch ON.
2.Select "SHIFT IND" in DATA MONITOR mode (METER) with CONSULT.
3.Check "SHIFT IND" indication under the following conditions.





Is the inspection result normal?
YES- Inspection End.
NO - Refer to "Component Inspection (Transmission Range Switch)" P0705
Revision: March 20122013 Infiniti JX