Nissan Altima 2007-2012 Service Manual: 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 with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-433, "DTC Logic".
• If DTC B2602 is displayed with DTC U1010, first perform the trouble diagnosis for DTC U1010. Refer to SEC-434, "DTC Logic".
DTC CONFIRMATION PROCEDURE
1.PERFORM DTC CONFIRMATION PROCEDURE
1. Start the engine under the following conditions and wait for at least 10 seconds.
- CVT selector lever is in the P or N position
- Depress the brake pedal.
2. Drive the vehicle for at least 10 seconds at a speed greater than 4 km/h (2 MPH).
3. Check “Self diagnostic result” with CONSULT-III.
Is DTC detected? YES >> Refer to SEC-470, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1.CHECK DTC WITH “COMBINATION METER”
Check “Self diagnostic result” with CONSULT-III. Refer to MWI-95, "DTC Index".
Is the inspection result normal? YES >> GO TO 2
NO >> Repair or replace malfunctioning parts.
2.CHECK CVT DEVICE POWER SUPPLY
1. Turn ignition switch to ACC.
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 4
NO >> GO TO 3
3.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.
4.CHECK CVT DEVICE CIRCUIT
1. Disconnect BCM harness connector.
2. Check continuity between CVT device (park position switch) harness connector and BCM harness connector.
3. Check continuity between CVT device (park position switch) harness connector and ground.
Is the inspection result normal? YES >> GO TO 5
NO >> Repair harness or connector.
5.CHECK CVT DEVICE
Refer to SEC-469, "Component Inspection".
Is the inspection result normal? YES >> GO TO 6
NO >> Replace CVT device. Refer to TM-431, "Removal and Installation".
6.CHECK INTERMITTENT INCIDENT
Refer to GI-42, "Intermittent Incident".
>> Inspection End.
B2601 shift position
Description
BCM confirms the shift position with the following 2 signals.
• CVT selector lever
• P position signal from IPDM E/R (CAN)
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B26 ...
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 ...
Other materials:
B2192, P1611 ID discord, immu-ecm
Description
BCM performs the ID verification with ECM that allows the engine to start.
Start the engine if the ID is OK.
ECM prevents the engine from starting if the ID is not registered. BCM starts
the communication with ECM if
ignition switch is turned ON.
DTC Logic
DTC DETECTION LOGIC ...
Encoder
DRIVER SIDE
Description
Detects condition of the power window motor LH operation and transmits to
main power window and door
lock/unlock switch as pulse signal.
Component Function Check
1. CHECK ENCODER OPERATION
Does door glass LH perform AUTO open/close operation normally with main power ...
Collision diagnosis
For Frontal Collision
Check the SRS components using the following table.
• After the work is completed, perform self-diagnosis to check that no
malfunction is detected. Refer to SRC-
12, "SRS Operation Check".
SRS INSPECTION (FOR FRONTAL COLLISION)
For Side and Rollover Co ...