Nissan Altima 2007-2012 Service Manual: 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.
IPDM E/R (intelligent power distribution
module engine room)
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 link ...
Other materials:
B2191, P1615 difference of key
Description
Performs ID verification through BCM and Intelligent Key when push-button
ignition switch is pressed.
Prohibits the release of steering lock or start of engine when an unregistered
ID of Intelligent Key is used.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
1.PE ...
CVT Position
Inspection and Adjustment
INSPECTION
1. Place selector lever in “P” position, and turn ignition switch ON (engine
stop).
2. Make sure that selector lever can be shifted to other than “P” position when
brake pedal is depressed.
Also make sure that selector lever can be shifted fro ...
Combination switch reading system
System Diagram
System Description
OUTLINE
• BCM reads the status of the combination switch (light, turn signal, wiper
and washer) and recognizes the
status of each switch.
• BCM is a combination of 5 output terminals (OUTPUT 1 - 5) and 5 input
terminals (INPUT 1 - 5). It reads a
...