Nissan Murano: Defogger :: System Description / System
SYSTEM DIAGRAM
INPUT/OUTPUT SIGNAL CHART
| Switch | Input signal to BCM | BCM function | Actuator |
|---|---|---|---|
| Rear window defogger switch | Defogger switch signal | Rear window defogger control |
Rear window defogger Door mirror defogger (if equipped) |
OPERATION DESCRIPTION
-
When rear window defogger switch is turned ON while ignition switch ON, the rear window defogger switch signal is transmitted to the A/C auto amp.
-
BCM turns rear window defogger relay ON when rear window defogger switch signal is received from A/C auto amp.
-
Rear window defogger and door mirror defogger are supplied with power and operate when rear window defogger relay turns ON.
-
BCM transmits rear window defogger feedback signal to A/C auto amp. then communicates the signal to the A/C switch assembly when rear window defogger operates.
-
Rear window defogger ON is displayed when signal is received.
TIMER FUNCTION
-
BCM turns rear window defogger relay ON for approximately 15 minutes when rear window defogger switch is turned ON and ignition switch ON. It makes rear window defogger and door mirror defogger (if equipped) operate.
-
Timer is canceled after pressing rear window defogger switch again during timer operation. Then BCM turns rear window defogger relay OFF. The same reaction also occurs during timer operation if ignition switch OFF.
Component Parts. Rear Window Defogger
Component Parts Location
A.
Center of instrument panel
B.
Left side of instrument panel (View with fuse block (J/B) removed)
C.
Back door lower finisher inside (View with back door lower finisher removed)
No...
Defogger :: Ecu Diagnosis Information. Bcm, A/c Auto Amp.
List of ECU Reference
ECU Reference
BCM
Values on the Diagnosis Tool
Reference Value
Fail Safe
DTC Inspection Priority Chart
DTC Index
A/C auto amp...
Other information:
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