Nissan Altima (L32) 2007-2012 Service Manual: B2562 low voltage
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1. DTC CONFIRMATION
1. Erase DTC.
2. Turn ignition switch OFF.
3. Perform the "SELF-DIAG RESULTS" of CONSULT-III, after the ignition switch has been turned ON for 1.5 seconds or more.
Is any DTC detected? YES >> Refer to BCS-41, "Diagnosis Procedure".
NO >> Inspection End.
Diagnosis Procedure
1. CHECK BATTERY VOLTAGE
Check battery voltage.
Is battery voltage less than 8.8V? Yes >> Charge battery and retest. Refer to PG-72, "Work Flow".
No >> GO TO 2
2. CHECK POWER SUPPLY CIRCUIT
Check BCM power supply circuit. Refer to BCS-42, "Diagnosis Procedure".
Is the circuit OK? Yes >> Replace BCM. Refer to BCS-96, "Removal and Installation".
No >> Repair or replace the malfunctioning part.
Special Repair Requirement
1. REQUIRED WORK WHEN REPLACING BCM
Initialize control unit. Refer to BCS-6, "CONFIGURATION (BCM) : Special Repair Requirement".
>> Work End.
U0415 vehicle speed sig
Description
U0415 is displayed if any unusual condition is present in the reception
status of the vehicle speed signal from
the ABS actuator and electric unit (control unit).
DTC Logic
DTC DET ...
Power supply and ground circuit
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 li ...
Other materials:
Combination meter
Reference Value
TERMINAL LAYOUT
PHYSICAL VALUES
Wiring Diagram - Coupe
Wiring Diagram - Sedan
Fail Safe
The combination meter performs a fail-safe operation for the functions listed
below when communication is
lost.
...
Primary speed sensor
Exploded View
1. CVT assembly
2. O-ring
3. Primary speed sensor
Removal and Installation
Refer to the figure for removal and installation.
CAUTION:
• Do not reuse O-ring.
• Apply CVT fluid to O-ring.
• After installation is complete, check for CVT fluid leakage and CVT fluid
...
P0506 ISC System
Description
The ECM controls the engine idle speed to a specified level via the fine
adjustment of the air, which is let into
the intake manifold, by operating the electric throttle control actuator. The
operating of the throttle valve is varied
to allow for optimum control of the engine idli ...
