Nissan Altima (L32) 2007-2012 Service Manual: Power supply and ground circuit
BCM
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. Turn ignition switch OFF.
2. Disconnect BCM.
3. Check voltage between BCM harness connector and ground.
Is the measurement normal?
YES >> GO TO 3
NO >> Repair or replace harness.
3. CHECK GROUND CIRCUIT
Check continuity between BCM harness connector and ground.
Does continuity exist?
YES >> Inspection End.
NO >> Repair or replace harness.
Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
Initialize control unit. Refer to BCS-6, "CONFIGURATION (BCM) : Special
Repair Requirement".
>> Work End.
Description
BCM receives the engine status signal from ECM via CAN communication.
DTC Logic
DTC DETECTION LOGIC
NOTE:
• If DTC B26E1 is displayed with DTC U1000, first perform the trouble dia ...
Diagnosis Procedure
1. CHECK FUSES AND FUSIBLE LINK
Check that the following IPDM E/R fuses or fusible link are not blown.
Is the fuse blown?
YES >> Replace the blown fuse or fusible ...
Other materials: ProPILOT Assist (if so equipped)
WARNING
Failure to follow the warnings and instructions
for proper use of the ProPILOT
Assist system could result in serious
injury or death.
ProPILOT Assist is not a self-driving
system. Within the limits of its capabilities,
as described in this manual, it
helps the driver with certain drivin ...
Tire labeling
Example
Federal law requires tire manufacturers
to place standardized information
on the sidewall of all tires.
This information identifies and describes
the fundamental characteristics
of the tire and also provides the
Tire Identification Number (TIN) for
safety standard certification. The TIN
ca ...
System temporarily unavailable
For vehicles with the 7 inch (18 cm) display
When radar blockage is detected, the system
will be deactivated automatically. The
"Unavailable: Side Radar Obstruction"
warning message will appear in the vehicle
information display.
The systems are not available until the
conditions no longer exist.
...
B26e1 no reception of engine status signal
IPDM E/R (Intelligent power distribution module engine room)