Nissan Altima 2007-2012 Service Manual: 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 with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-235, "DTC Logic".

• If DTC B2603 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-236, "DTC Logic".

DTC CONFIRMATION PROCEDURE

1.PERFORM DTC CONFIRMATION PROCEDURE

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

- CVT selector lever is in the P position.

- Do not depress the brake pedal.

2. Shift to N and wait for at least 1 second.

3. Shift to any gear other than P or N and wait for at least 1 second.

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

Is DTC detected? YES >> Refer to SEC-280, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.CHECK DTC WITH IPDM E/R

Check “Self diagnostic result” with CONSULT-III. Refer to PCS-45, "DTC Index".

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 F16 (A) terminal 20 and BCM harness connector M18 (B) terminal 48.

4. Check continuity between TCM harness connector F16 (A) terminal 20 and ground.

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

NO >> Repair harness or connector.

3.CHECK CVT DEVICE POWER SUPPLY

1. Turn ignition switch OFF.

2. Disconnect CVT device (park position switch) harness connector.

3. Check voltage between CVT device (park position switch) harness connector and ground.

Is the inspection result normal? YES >> GO TO 5

NO >> GO TO 4

4.CHECK CVT DEVICE POWER SUPPLY CIRCUIT

1. Disconnect BCM harness connector.

2. Check continuity between BCM harness connector M19 (A) terminal 84 and CVT device (park position switch) harness connector M23 (B) terminal 8.

3. Check continuity between BCM harness connector M19 (A) terminal 84 and ground.

Is the inspection result normal? YES >> Replace BCM. Refer to BCS-96, "Removal and Installation".

NO >> Repair harness or connector.

5.CHECK CVT DEVICE CIRCUIT

1. Disconnect BCM harness connector.

2. Check continuity between BCM harness connector M19 (A) terminal 87 and CVT device (park position switch) harness connector M23 (B) terminal 9.

3. Check continuity between BCM harness connector M19 (A) terminal 87 and ground.

Is the inspection result normal? YES >> GO TO 6

NO >> Repair harness or connector.

6.CHECK CVT DEVICE

Refer to SEC-277, "Component Inspection".

Is the inspection result normal? YES >> GO TO 7

NO >> Replace CVT device. Refer to TM-255, "Removal and Installation" (RE0F09B) or TM-431, "Removal and Installation" (RE0F10A).

7.CHECK INTERMITTENT INCIDENT

Refer to GI-42, "Intermittent Incident".

>> Inspection End.

    B2602 shift position
    Description BCM confirms the shift position with the following 2 signals. • CVT selector lever • Speed signal from meter DTC Logic DTC DETECTION LOGIC NOTE: • If DTC B2602 is displayed ...

    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 TC ...

    Other materials:

    Engine oil and oil filter recommendations
    VQ35DE engine mod Selecting the correct oil It is essential to choose the correct grade, quality and viscosity engine oil to ensure satisfactory engine life and performance. See “Capacities and recommended fuel/lubricants” earlier in this section. NISSAN recommends the use of an energy ...

    Main line between dlc and abs circuit
    Diagnosis Procedure INSPECTION PROCEDURE 1.CHECK CONNECTOR 1. Turn the ignition switch OFF. 2. Disconnect the battery cable from the negative terminal. 3. Check the following terminals and connectors for damage, bend and loose connection (connector side and harness side). - Harness co ...

    Audio antenna (coupe)
    Location of Antenna 1. In-line connectors M87, M501 2. Audio unit harness 3. Audio unit 4. Satellite antenna 5. Audio antenna feeder 6. Satellite radio antenna feeder 7. Window Antenna 8. Antenna amp. 9. Satellite radio tuner Window Antenna Repair ELEMENT CHECK 1. Attach probe circuit ...