Nissan Altima 2007-2012 Service Manual: B2604 PNP switch

Description

BCM confirms the shift position with the following 4 signals.

• CVT selector lever

• P/N position switch

• P position signal from IPDM E/R (CAN)

• P position signal from TCM (CAN)

DTC Logic

DTC DETECTION LOGIC

NOTE: • If DTC B2604 is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-36, "DTC Logic".

• If DTC B2604 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-37, "DTC Logic".

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

1. Start the engine under the following conditions and wait for at least 1 seconds.

- CVT selector lever is in the P position

- Do not depress the brake pedal

2. Use CVT selector lever to select each gear one at a time. Wait at each gear for at least 1 second.

3. Check “Self diagnostic result” with CONSULT-III.

Is DTC detected? YES >> Refer to SEC-84, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK DTC WITH TCM

Check “Self diagnostic result” with CONSULT-III. Refer to TM-221, "DTC Index" (RE0F09B) or TM-399, "DTC Index" (RE0F10A).

Is the inspection result normal? YES >> GO TO 2

NO >> Repair or replace malfunctioning parts.

2.CHECK PNP SWITCH CIRCUIT

1. Turn ignition switch OFF.

2. Disconnect TCM harness connector and BCM harness connector.

3. Check continuity between TCM harness connector and BCM harness connector.

4. Check continuity between TCM harness connector and ground.

Is the inspection result normal? YES >> GO TO 3

NO >> Repair harness or connector.

3.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> Inspection End.

    B2603 shift position status
    Description BCM confirms the shift position with the following 2 signals. • CVT selector lever • P/N position switch DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B2603 is displayed wit ...

    B2605 PNP switch
    Description BCM confirms the shift position with the following 4 signals. • AT selector lever • P/N position switch • P position signal from IPDM E/R (CAN) • P position signal from TCM ...

    Other materials:

    Lock-up and select control system
    System Diagram System Description • The torque converter clutch piston in the torque converter is engaged to eliminate torque converter slip to increase power transmission efficiency. • The torque converter clutch control valve operation is controlled by the torque converter clutch s ...

    Power supply and ground circuit
    Diagnosis Procedure 1. CHECK FUSE AND FUSIBLE LINK Check if the following BCM fuse or fusible link are blown. Is the fuse or fusible link blown? YES >> Replace the blown fuse or fusible link after repairing the affected circuit. NO >> GO TO 2 2. CHECK POWER SUPPLY CIRCUIT 1. ...

    Function diagnosis
    NOISE, VIBRATION, AND HARSHNESS (NVH) TROUBLESHOOTING NVH Troubleshooting - Engine Noise 1. Camshaft bearing noise 2. Piston pin noise 3. Piston slap noise 4. Main bearing noise 5. Connecting rod bearing noise 6. Drive belt noise (Sticking/Slipping) 7. Drive belt noise (Slipping) 8. Wate ...