2005 INFINITI QX4 Factory Service Manual

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INFINITI QX4 2005 Factory Service Manual DI-10
COMBINATION METERS
Revision: October 20052005 QX56
Wiring Diagram — METER —EKS00BBY
WKWA2360E

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INFINITI QX4 2005 Factory Service Manual COMBINATION METERS
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Revision: October 20052005 QX56
WKWA4575E

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INFINITI QX4 2005 Factory Service Manual DI-12
COMBINATION METERS
Revision: October 20052005 QX56
Terminals and Reference Value for Combination MeterEKS00BBZ
Te r m i n a l
No.Wire
colorItemCondition
Reference value (V)
(Approx.) Ignition

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INFINITI QX4 2005 Factory Service Manual COMBINATION METERS
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Revision: October 20052005 QX56
Meter/Gauge Operation and Odo/Trip MeterEKS00BC0
SELF-DIAGNOSIS FUNCTION
The following items can be checked during Co

COMBINATION METERS
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Meter/Gauge Operation and Odo/Trip MeterEKS00BC0
SELF-DIAGNOSIS FUNCTION
The following items can be checked during Combination Meter Self-Diagnosis Mode.
Gauge sweep and present gauge values.
Illuminates all odometer, fuel, and engine temperature segments.
Illuminates all micro controlled lamps/LED's regardless of switch configuration.
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
Odometer/trip meter A/B
switch engaged and
released = next test
requestedrXXXX, FAILReturn 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 nrXXXXDisplays hex ROM rev as
stored in NVM.
Next test requested GAGEPerforms 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, fuel, and engine
temperature display seg-
ments.Initiating self-diagnosis mode
complete
Next test requested bulbIlluminates all micro-con-
trolled lamps/LEDs
regardless of SW configu-
ration.
Next test requested EE XX, FAILHex EE level. If EE
checksum fault exists,
display alternates
between "EE XX" and
"FAIL".
Next test requested dtXXXXHex coding of final manu-
facturing test date.

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INFINITI QX4 2005 Factory Service Manual DI-14
COMBINATION METERS
Revision: October 20052005 QX56
Next test requested Sc1XXDisplays 8-bit software
configuration value in Hex
format.Bit Coding
7-3 = reserved for future use
2 = TCS/VDC 0 = n

DI-14
COMBINATION METERS
Revision: October 20052005 QX56
Next test requested Sc1XXDisplays 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 Sc2XXDisplays 8-bit software
configuration value in Hex
format.Bit coding
7-0 = Reserved for future use
Next test requested EprXXDisplays 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 1nFXXDisplays 8-bit market info
value in Hex format.$31 = USA
$2A = Canada
$0E = GCC
Next test requested cYLXXDisplays 8-bit engine con-
figuration value in Hex
format.$08 = 8 cylinder
$06 = 6 cylinder
Next test requested FFXXXXDisplays 16-bit fuel flow
constant "Q" in tenths of
cc/min in Hex format.$0000 - $FFFF
Next test requested tFDisplays 16-bit tire factor
"A" in hundredths in Hex
format.$0000 - $FFFF
Next test requested ot1XXDisplays oil pressure tell-
tale "on" threshold in A/D
counts in Hex format.$00 - $FF
Next test requested ot0XXDisplays oil pressure tell-
tale "off" threshold in A/D
counts in Hex format.$00 - $FF
Next test requested XXXXXRaw 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 XXXXXRaw uncompensated
metric speed value in
hundredths of KPH.
Speedometer indicates
present speed.Will display "-----" if message is
not received. Will display
"99999" if data received is
invalid
Next test requested tXXXXTachometer value in
RPM. Tachometer indi-
cates present RPM.Will display "-----" if message is
not received.
Next test requested F1 XXXXPresent 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 XXXCLast 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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INFINITI QX4 2005 Factory Service Manual COMBINATION METERS
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Revision: October 20052005 QX56
Next test requested BAtXX.XEstimated present bat-
tery voltage.
Next test requested rES -XSeat belt buckle switch
LH

Page 1119 of 3419

INFINITI QX4 2005 Factory Service Manual DI-16
COMBINATION METERS
Revision: October 20052005 QX56
Next test requested Thr-XXXDecimal value of ther-
mistor A/D reading.0-255
Next test requested D-HI Meter/LCD Illumination.Full daytime brightn

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INFINITI QX4 2005 Factory Service Manual COMBINATION METERS
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Revision: October 20052005 QX56
How to Proceed With Trouble DiagnosisEKS00BC1
1. Confirm the symptom or customer complaint.
2. Perform diagnosis acco

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