Nissan Altima (L32) 2007-2012 Service Manual ≻ Security control system sedan without intelligent key ≻ Component diagnosis ≻ B260F engine status

Nissan Altima (L32) 2007-2012 Service Manual: B260F engine status

Description

BCM receives the engine status signal from ECM via CAN communication.

DTC Logic

DTC DETECTION LOGIC

NOTE: • If DTC B260F is displayed with DTC U1000, first perform the trouble diagnosis for DTC U1000. Refer to SEC-433, "DTC Logic".

• If DTC B260F 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. Turn ignition switch ON under the following conditions.

- CVT selector lever is in the P position.

- Do not depress the brake pedal.

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

Is DTC detected? YES >> Refer to SEC-491, "Diagnosis Procedure".

NO >> Inspection End.

Diagnosis Procedure

1.INSPECTION START

1. Turn ignition switch ON.

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

3. Touch “ERASE”.

4. Perform DTC Confirmation Procedure.

See SEC-491, "DTC Logic".

Is the DTC B260F displayed again? YES >> GO TO 2

NO >> Inspection End.

2.REPLACE ECM

1. Replace ECM.

2. Refer to EC-560, "BASIC INSPECTION : Special Repair Requirement" (QR25DE except California) or EC-24, "BASIC INSPECTION : Special Repair Requirement" (QR25DE California).

>> Inspection End.

B260D steering lock unit

Description The electronic steering column lock performs the check by itself according to the steering lock status (before lock, after lock and unlock). DTC Logic DTC DETECTION LOGIC DTC CON ...

B2612 steering status

Description There are 2 switches in the electronic steering column lock. IPDM E/R compares those 2 switches conditions to judge the present steering status and transmit the result to BCM via CAN ...

Other materials:

System maintenance
The two radar sensors 1 for the BSW and RCTA systems are located near the rear bumper. Always keep the area near the radar sensors clean. The radar sensors may be blocked by temporary ambient conditions such as splashing water, mist or fog. The blocked condition may also be caused by objects such ...

ProPILOT Assist switches
DISTANCE switch: Long Middle Short RES+ switch: Resumes set speed or increases speed incrementally CANCEL switch: Deactivates the ProPILOT Assist system ProPILOT Assist switch: Turns the ProPILOT Assist system on or off SET- switch: Sets desired cruise speed or reduces speed i ...

Manual anti-glare rearview mirror (if so equipped)
Use the night position 1 to reduce glare from the headlights of vehicles behind you at night. Use the day position 2 when driving in daylight hours. WARNING Use the night position only when necessary, because it reduces rear view clarity. Automatic anti-glare rearview mirror (if so equipped) The ...