Nissan Pathfinder (2005 year). Instruction — part 136
COMBINATION METERS
DI-5
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2005 Pathfinder
POWER SUPPLY AND GROUND CIRCUIT
Power is supplied at all times
●
through 10A fuse [No.19, located in the fuse block (J/B)]
●
to combination meter terminal 3.
With the ignition switch in the ON or START position, power is supplied
●
through 10A fuse [No.14, located in the fuse block (J/B)]
●
to combination meter terminal 16.
Ground is supplied
●
to combination meter terminals 13 and 23
●
through body grounds M57, M61 and M79.
WATER TEMPERATURE GAUGE
The water temperature gauge indicates the engine coolant temperature.
ECM provides an engine coolant temperature signal to combination meter via CAN communication lines.
ENGINE OIL PRESSURE GAUGE
The engine oil pressure gauge indicates the engine oil pressure.
The engine oil pressure gauge is regulated by the unified meter control unit and input from the oil pressure
sensor.
VOLTAGE GAUGE
The voltage gauge indicates the battery/charging system voltage.
The voltage gauge is regulated by the unified meter control unit.
TACHOMETER
The tachometer indicates engine speed in revolutions per minute (rpm).
ECM provides an engine speed signal to combination meter via CAN communication lines.
FUEL GAUGE
The fuel gauge indicates the approximate fuel level in the fuel tank.
The fuel gauge is regulated by the unified meter control unit and a variable resistor signal supplied
●
to combination meter terminal 9
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through fuel level sensor unit and fuel pump terminal 2
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through fuel level sensor unit and fuel pump terminal 5
●
from combination meter terminal 4.
SPEEDOMETER
ABS actuator and electric unit (control unit) provides a vehicle speed signal to the combination meter via CAN
communication lines.
CAN COMMUNICATION SYSTEM DESCRIPTION
Refer to
.
DI-6
COMBINATION METERS
2005 Pathfinder
Combination Meter
EKS009NB
CHECK
LKIA0580E
COMBINATION METERS
DI-7
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2005 Pathfinder
Circuit Diagram
EKS009NC
WKWA2045E
DI-8
COMBINATION METERS
2005 Pathfinder
Wiring Diagram — METER —
EKS009ND
WKWA2046E
COMBINATION METERS
DI-9
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2005 Pathfinder
WKWA2047E
DI-10
COMBINATION METERS
2005 Pathfinder
Terminals and Reference Value for Combination Meter
EKS009NE
Terminal
No.
Wire
color
Item
Condition
Reference value (V)
(Approx.)
Ignition
switch
Operation or condition
3
GR
Battery power supply
OFF
—
Battery voltage
4
B/Y
Fuel level sensor ground
ON
—
0V
8
GR
Oil pressure sensor refer-
ence voltage
ON
—
5V
9
BR
Fuel level sensor signal
—
—
Refer to
.
10
B
Oil pressure sensor
ground
ON
—
0V
11
P
CAN-L
—
—
—
12
L
CAN-H
—
—
—
13
GR
Ground
—
—
0V
16
O
Ignition switch ON or
START
ON
—
Battery voltage
19
W
Oil pressure sensor sig-
nal
ON
—
0 - 5V
22
BR
Illumination control switch
—
Lighting switch ON
Refer to
.
23
B
Ground
—
—
0V
COMBINATION METERS
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2005 Pathfinder
Meter/Gauge Operation and Odo/Trip Meter
EKS009NF
SELF-DIAGNOSIS FUNCTION
The following items can be checked during Combination Meter Self-Diagnosis Mode.
●
Gauge sweep and present gauge values.
●
Illuminates all odometer/trip meters and A/T indicator segments.
●
Illuminates all micro controlled lamps/LEDs regardless of switch position.
●
Displays estimated present battery voltage.
●
Displays seat belt buckle switch LH status.
HOW TO INITIATE COMBINATION METER SELF-DIAGNOSIS MODE
NOTE:
Once entered, Combination Meter Self-Diagnosis Mode will function with the ignition switch in ON or START.
Combination Meter Self-Diagnosis Mode will exit upon turning the ignition switch to OFF or ACC.
To initiate Combination Meter Self-Diagnosis Mode, refer to the following procedure.
1.
Turn the ignition switch ON, while holding the odometer/trip meter switch for 5 - 8 seconds.
NOTE:
If the diagnosis function is activated the odometer/trip meter will display tESt.
COMBINATION METER SELF-DIAGNOSIS MODE FUNCTIONS
To interpret Combination Meter Self-Diagnosis Mode functions, refer to the following table.
Event
Odometer Display
Description of Test/Data
Notes:
Odometer/trip meter A/B
switch held from 5 to 8
seconds (or until
released)
tESt
Initiating self-diagnosis mode
Next test requested
GAGE
Performs sweep of all
gauges, then displays
present gauge values.
Performs checksum tests
on ROM and EE.
Gauges sweep within 10 sec-
onds
Next test requested
(All segments illuminated)
Lights all odometer/trip
meter segments.
Initiating self-diagnosis mode
complete
Next test requested
bulb
Illuminates all micro-con-
trolled lamps/LEDs
regardless of SW configu-
ration.
Odometer/trip meter A/B
switch engaged and
released = next test
requested
rXXXX, FAIL
Return to normal opera-
tion of all lamps/LEDs and
displays hex ROM rev. If
a ROM checksum fault
exists, display alternates
between "r XXXX" and
"FAIL".
Next test requested
nrXXXX
Displays hex ROM rev as
stored in NVM.
Next test requested
EE XX, FAIL
Hex EE level. If EE
checksum fault exists,
display alternates
between "EE XX" and
"FAIL".
Next test requested
dtXXXX
Hex coding of final manu-
facturing test date.
DI-12
COMBINATION METERS
2005 Pathfinder
Next test requested
Sc1XX
Displays 8-bit software
configuration value in Hex
format.
Bit Coding
7-3 = reserved for future use
2 = TCS/VDC 0 = not present
1 = present
1 = Shift type 0 = Column shift
1 = Floor shift
0 = ICC
0 = not present
1 = present
Next test requested
Sc2XX
Displays 8-bit software
configuration value in Hex
format.
Bit coding
7-0 = Reserved for future use
Next test requested
EprXX
Displays 8-bit software
configuration value in Hex
format.
Bit Coding
7-2 = reserved for future use
1 = A/T Oil Temp (gauge)
0 = not present
1 = present
1 = Odo Units 0 = kilometers
1 = miles
Next test requested
1nFXX
Displays 8-bit market info
value in Hex format.
$31 = USA
$2A = Canada
Next test requested
cYLXX
Displays 8-bit engine con-
figuration value in Hex
format.
$08 = 8 cylinder
$06 = 6 cylinder
Next test requested
FFXXXX
Displays 16-bit fuel flow
constant "Q" in tenths of
cc/min in Hex format.
$0000 - $FFFF
Next test requested
tF
Displays 16-bit tire factor
"A" in hundredths in Hex
format.
$0000 - $FFFF
Next test requested
ot1XX
Displays oil pressure tell-
tale "on" threshold in A/D
counts in Hex format.
$00 - $FF
Next test requested
ot0XX
Displays oil pressure tell-
tale "off" threshold in A/D
counts in Hex format.
$00 - $FF
Next test requested
XXXXX
Raw uncompensated
english speed value in
hundredths of MPH.
Speedometer indicates
present speed.
Will display "-----" if message is
not received. Will display
"99999" if data received is
invalid
Next test requested
XXXXX
Raw uncompensated
metric speed value in
hundredths of km/h.
Speedometer indicates
present speed.
Will display "-----" if message is
not received. Will display
"99999" if data received is
invalid
Next test requested
tXXXX
Tachometer value in
RPM. Tachometer indi-
cates present RPM.
Will display "-----" if message is
not received.
Next test requested
F1 XXXX
Present ratioed fuel level
A/D input 1 in decimal for-
mat. Fuel gauge indicates
present filtered level.
000-009 = Short circuit
010-254 = Normal range
255 = Open circuit
--- = Missing 5 seconds
Next test requested
XXXC
Last temperature gauge
input value in degrees C.
Temperature gauge indi-
cates present filtered tem-
perature.
Will display "---"C if message is
not received.
Will display "999" if data
received is invalid.
Event
Odometer Display
Description of Test/Data
Notes:
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