Nissan Maxima Service and Repair Manual: Body control system
System Description
OUTLINE
- ECU DIAGNOSIS INFORMATION controls the various electrical components. It inputs the information required to the control from CAN communication and the signal received from each switch and sensor.
- BCM has combination switch reading function for reading the
operation status of combination switches (light,
turn signal, wiper and washer) in addition to a function for controlling the
operation of various electrical components.
It also has the signal transmission function as the passed point of signal and the power saving control function that reduces the power consumption with the ignition switch OFF.
- BCM is equipped with the diagnosis function that performs the diagnosis with CONSULT and various settings.
CAN communication control
In CAN communication, control units are connected with 2 communication lines (CAN-L, CAN-H) allowing a high rate of information transmission with less wiring. Each control unit transmits/receives the data but selectively reads required information only.
CAN communication signal
BCM control function list
Component Parts Location
- BCM M16, M17, M18, M19, M20, M21 (view with instrument panel removed)
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 has a co ...
Other materials:
Manual function
MANUAL FUNCTION : System Diagram
MANUAL FUNCTION : System Descriptio
OUTLINE
The driving position (seat, steering column and door mirror position) can be
adjusted manually with power seat switch, ADP steering switch and door mirror
remote control switch.
OPERATION PROCEDURE
Turn igni ...
DTC B2205 vehicle speed circuit
Description
The ABS actuator and electric unit (control unit) provides a vehicle speed
signal to the combination meter via
CAN communication lines.
DTC Logic
Diagnosis Procedure
Symptom: Displays "VEHICLE SPEED CIRC [B2205]" as a self-diagnosis result of
combination meter.
1.CHECK COMBI ...
P0840 transmission fluid pressure SEN/SW A
The secondary pressure sensor detects secondary pressure of CVT and sends a
signal to the TCM.
DTC Logic
DTC DETECTION LOGIC
DTC CONFIRMATION PROCEDURE
NOTE:
Immediately after performing any "DTC CONFIRMATION PROCEDURE", always turn
ignition switch OFF.
Then wait at least 10 seconds b ...
Nissan Maxima Owners Manual
- Illustrated table of contents
- Safety-Seats, seat belts and supplemental restraint system
- Instruments and controls
- Pre-driving checks and adjustments
- Monitor, climate, audio, phone and voice recognition systems
- Starting and driving
- In case of emergency
- Appearance and care
- Do-it-yourself
- Maintenance and schedules
- Technical and consumer information
Nissan Maxima Service and Repair Manual
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