Nissan Altima 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-36, "DTC Logic".
• If DTC B260F 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. 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-100, "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-100, "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-1048, "BASIC INSPECTION : Special Repair Requirement" (VQ35DE), EC-24, "BASIC INSPECTION : Special Repair Requirement" (QR25DE California) or EC-560, "BASIC INSPECTION : Special Repair Requirement" (QR25DE except for 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 CO ...
B2612 steering status
Description
There are 2 switches in the steering unit. IPDM E/R compares those 2 switches
conditions to judge the
present steering status and transmit the result to BCM via CAN communication.
DT ...
Other materials:
P0031, P0032 A/F sensor 1 heater
Description
SYSTEM DESCRIPTION
The ECM performs ON/OFF duty control of the A/F sensor 1 heater corresponding
to the engine operating
condition to keep the temperature of A/F sensor 1 element at the specified
range.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PRECONDITI ...
ASCD Indicator
Description
The ASCD operation status is indicated by two indicators, (CRUISE and SET on
the information display) on
the combination meter.
CRUISE indicator is displayed to indicate that ASCD system is ready for
operation when MAIN switch on
ASCD steering switch is turned ON.
SET indica ...
Precautions on cruise control
1. CANCEL switch
2. ACCEL/RES switch
3. COAST/SET switch
4. ON/OFF switch
● If the cruise control system malfunctions, it
cancels automatically. The SET indicator
light in the instrument panel then blinks to
warn the driver.
● If the SET indicator light blinks, turn the
cruise ...