Nissan Altima 2007-2012 Service Manual: Diagnosis system (BCM)
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 ...
Common ITEM
Diagnosis Description
BCM CONSULT-III FUNCTION
CONSULT-III performs the following functions via CAN communication with BCM.
SYSTEM APPLICATION
BCM can perform the following functions for each sy ...
Other materials:
BCM branch line circuit
Diagnosis Procedure
INSPECTION PROCEDURE
1.CHECK CONNECTOR
1. Turn the ignition switch OFF.
2. Disconnect the battery cable from the negative terminal.
3. Check the terminals and connectors of the BCM for damage, bend and loose
connection (unit side and
connector side).
Is the inspec ...
IPDM E/R (Intelligent power distribution
module engine room)
Reference Value
VALUES ON THE DIAGNOSIS TOOL
TERMINAL LAYOUT
PHYSICAL VALUES
Wiring Diagram — Coupe
Wiring Diagram — Sedan
Fail Safe
CAN COMMUNICATION CONTROL
When CAN communication with ECM and BCM is impossible, IPDM E/R performs
fail-sa ...
P0850 PNP Switch
Description
When the selector lever position is P or N, park/neutral position (PNP)
signal from the TCM is sent to ECM
(CVT models).
When the selector lever position is Neutral position, park/neutral position
(PNP) switch is ON. ECM detects the
position because the continuity of the line ( ...