Nissan Maxima Service and Repair Manual: Signal buffer system
System Diagram
System Description
OUTLINE
BCM has the signal transmission function that outputs/transmits each input/received signal to each unit.
Signal transmission function list
|
Signal name |
Input |
Output |
Description |
|
Engine switch (push switch) | IPDM E/R (CAN) | Inputs the push-button ignition switch (push switch) signal and transmits the ignition switch status judged with BCM via CAN communication |
| Door switch signal | Any door switch |
|
Inputs the door switch signal and transmits it via CAN communication |
| Trunk switch signal | Trunk room lamp switch | Combination meter (CAN) | Inputs the trunk room lamp switch signal and transmits the trunk switch signal via CAN communication |
| Oil pressure switch signal | IPDM E/R (CAN) | Combination meter (CAN) | Transmits the received oil pressure switch signal via CAN communication |
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 ...
Power consumption control system
System Diagram
System Description
OUTLINE
BCM incorporates a power saving control function that reduces the
power consumption according to the
vehicle status.
BCM switches the status ...
Other materials:
Diagnosis and repair work flow
Work Flow
OVERALL SEQUENCE
DETAILED WORK FLOW
1.CUSTOMER INFORMATION
Get detailed information from the customer about the symptom.
2.PRELIMINARY CHECK
Perform preliminary check.
3.TECHNICAL SERVICE BULLETINS
Check for technical service bulletins.
4.USER MODE
Perform self-diagnosis usin ...
Additional service when replacing TCM
Description
When replacing the TCM, perform the following work.
TCM PROGRAMMING
Since vehicle specifications are not yet written in a new TCM, it
is necessary to write them with CONSULT.
CAUTION:
When replacing TCM, save TCM data on CONSULT before removing TCM.
LOADING AND STORIN ...
Door key cylinder switch
Description
The main power window and door lock/unlock switch detects condition of the
door key cylinder switch and
transmits to BCM as the LOCK or UNLOCK signal.
Component Function Check
1.CHECK DOOR KEY CYLINDER SWITCH INPUT SIGNAL
Check KEY CYL UN-SW, KEY CYL UN-SW in "DATA MONITOR" mode ...
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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