Infiniti I35 (A33). Manual — part 385
System Description
NHEL0318
FUNCTION
NHEL0318S01
This board computer can indicate following items.
I
Outside air temperature
I
Range (Cruising possible distance)
I
Journey time (hour meter)
I
Average fuel consumption
I
Average vehicle speed
Outside air temperature indication
I
This indicator shows indication of outside air temperature while ignition switch is in ON position.
I
Ambient sensor is used commonly by auto air conditioner and this board computer. When auto air condi-
tioner operates, board computer will correct ambient sensor signal based on positive voltage signal to ter-
minal 56 of board computer from A/C auto amp.
I
Indication range is between −30 and +55°C (−22 and 131°F). (When outside temperature is less than
−30°C (−22°F) or more than +55°C (131°F), display shows “- - - -”.)
I
When outside temperature is less than 3°C (37°F) continuously, display will blink as a warning. In this case,
the display will change to the OUTSIDE AIR TEMPERATURE mode even though the display is showing
a different item. (See NOTE.)
I
The indicated temperature is not affected by engine heat. It changes only when one of the following con-
dition exists.
a) When vehicle speed is more than 20 km/h (12 MPH).
b) The ignition key has been turned to OFF position for more than 3.5 hours.
c) When outside temperature is lower than indicated temperature.
Range (Cruising possible distance) indication
I
The range indication provides driver with an estimation of the distance that can be driven before refuel-
ing. The range is conducted by fuel tank gauge unit (fuel remaining), ECM pulse signal (fuel consump-
tion) and vehicle speed signal.
I
Indication will be refreshed every 30 seconds.
I
When fuel remaining is less than approx. 10.8
(11-3/8 US qt, 9-1/2 Imp qt), indication will blink as a
warning. If the fuel remaining less than approx. 10.5
(11-1/8 US qt, 9-1/4 Imp qt), indication will show “-
- - -”. In this case, the display will change to the RANGE mode automatically even though the display is
showing a different item. (See NOTE.)
Average fuel consumption
I
Average fuel consumption indication is conducted by ECM pulse signal and vehicle speed signal after
system is reset.
I
Indication will be refreshed every 30 seconds.
I
After reset operation, the display shows “. ” until the vehicle is driven 500 m (1,600 ft) and 30 seconds
has passed.
Average vehicle speed
I
Average vehicle speed indication is conducted by running distance and running time.
I
Indication will be refreshed every 30 seconds.
I
After reset operation, the displays shows “. ” for 30 seconds.
Journey time
I
Journey time indication is conducted by integration of ignition ON time.
HOW TO CHANGE/RESET INDICATION
NHEL0318S02
I
Indication can be changed by in following order by pushing board computer steering switch “TRIP”.
OUTSIDE AIR TEMPERATURE
,
RANGE
,
AVERAGE FUEL CONSUMPTION
,
AVERAGE VEHICLE
SPEED
,
JOURNEY TIME
I
Continuous pushing the switch (more than 0.8 second) can reset the indication of journey time (hour
meter), average vehicle speed and average fuel consumption.
NOTE:
I
After the display changes automatically, the indication can be changed to the last mode by push-
ing the board computer steering switch. In this case, the cursor (“
G
”) will blink as a warning.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
BOARD COMPUTER
System Description
EL-141
I
When the OUTSIDE AIR TEMPERATURE warning and the RANGE warning match warning condi-
tions at the same time, the display automatically indicates the OUTSIDE AIR TEMPERATURE.
BOARD COMPUTER
System Description (Cont’d)
EL-142
Wiring Diagram — B/COMP —
NHEL0319
MEL645R
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
BOARD COMPUTER
Wiring Diagram — B/COMP —
EL-143
MEL646R
BOARD COMPUTER
Wiring Diagram — B/COMP — (Cont’d)
EL-144
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