Nissan Murano: System / Signal Buffer System
System Description
SYSTEM DIAGRAM

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 |
| Push-button ignition switch signal |
Push-button ignition switch |
BCM |
Transmits the push-button ignition switch signal to the BCM. |
| Push-button ignition switch ON signal |
BCM |
IPDM E/R (CAN) |
Transmits the push-button ignition switch signal via CAN communication. |
| Door switch signal |
Door switch (ALL) |
BCM |
Transmits the door switch signal to the BCM. |
| Door switch signal |
BCM |
Each unit (CAN) |
Transmits the door switch signal via CAN communication. |
System Description
SYSTEM DIAGRAMOUTLINE
BCM reads the status of the combination switch (light, turn signal, wiper and washer) and recognizes the status of each switch...
System Description
SYSTEM DIAGRAMINPUT SIGNAL AND OUTPUT SIGNALMajor signal transmission between each unit via communication lines is shown in the following table: Component parts Signal description
IPDM E/R
Each unit transmits the sleep-ready signal (ready) to BCM when all of the CAN sleep conditions are fulfilled...
Other information:
Danger from Dust
If workers continue to inhale dust generated during paint film removal or body filler grinding work for long periods, they may suffer from respiratory insufficiency, which results in pneumoconiosis or asthma.
Precautions during Dust Generating Work
Workers must use a sander equipped with a dust collecting function...
DTC Description
DTC DETECTION LOGIC DTC No.
CONSULT screen items
(Trouble diagnosis content) DTC detection condition
C1A27-97
ECD PWR SUPLY CIR
(ECD power supply circuit)
Diagnosis condition
When engine is running
When MAIN switch of ICC system is ON
Signal (terminal)
—
Threshold
ECD system power supply voltage is excessively low
Diagnosis delay time
60 second or more
POSSIBLE CAUSE
ABS actuator and electric unit (control unit) power supply circuit
ABS actuator and electric unit (control unit)
FAIL-SAFEThe following systems are canceled:
Vehicle-to-vehicle distance control mode
Conventional (fixed speed) cruise control mode
Automatic Emergency Braking (AEB) with pedestrian detection
Automatic Emergency Braking (AEB)
Intelligent Forward Collision Warning (I-FCW)
Rear Automatic Braking (RAB)
Confirmation Procedure
CHECK DTC PRIORITY
If DTC “C1A27–97” is displayed with DTC “U1000–01”, “U0415–82” or “U0121–83”, first diagnose the DTC “U1000–01”, “U0415–82” or “U0121–83”...