NISSAN ALMERA N16 2003 Electronic Repair Manual

NO AVERAGE SPEED DISPLAYED/LHD MODELS=NJEL0637S10
1 DISPLAY SELF-DIAGNOSIS
1. Perform self-diagnosis display unit. Refer to EL-223, “Performing Self-Diagnosis Mode”.
2. All VFD display segments are ON.
OK or NG
OK GO TO 2.
NG Replace display unit.
2 HARNESS CHECK
1. Disconnect display unit connector and combination meter.
2. Check the following.
YEL831D
– Continuity between display unit connector M99 terminal 19 (L/B) and combination meter connector M171 terminal 56
(L/B).
Continuity should exist.
– Continuity between display unit connector M99 terminal 19 (L/B) and ground.
Continuity should not exist.
OK or NG
OK GO TO 3.
NG Replace harness or connector.
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VFD DISPLAY
Trouble Diagnosis (Cont’d)
EL-235

3 VEHICLE SPEED SIGNAL CHECK
Connect combination meter connector and display unit connector.
With CONSULT-ll
1. Lift up drive wheels.
MKIB0058E
2. Start engine and drive vehicle at more than 20 km/h (12 MPH).
3. Check signal between display unit connector M99 terminal 19 (L/B) and ground when rotating wheels with engine at
idle. (Use “SIMPLE OSCILLOSCOPE” in “SUB MODE” with CONSULT-II.)
ELF1080D
Without CONSULT-ll
1. Lift up drive wheels.
MKIB0058E
2. Start engine and drive vehicle at more than 20 km/h (12 MPH).
3. Check voltage between display unit connector M99 terminal 19 (L/B) and ground when rotating wheels with engine at
idle.
Voltage: Approximately 0 - 5V
OK or NG
OK Replace display unit.
NG Check combination meter system. Refer to EL-117, “Combination Meter Self-Diagnosis”.
NO FUEL INFORMATION IS DISPLAYEDNJEL0637S11
1 DISPLAY SELF-DIAGNOSIS
1. Perform self-diagnosis display unit. Refer to EL-223, “Performing Self-Diagnosis Mode”.
2. All VFD display segments are ON.
OK or NG
OK GO TO 2.
NG Replace display unit.
VFD DISPLAY
Trouble Diagnosis (Cont’d)
EL-236

2 COMMUNICATION LINE (MA-AV, AV-ME) CIRCUIT CHECK
1. Disconnect the display unit connector and combination meter connector.
YEL829D
2. Check continuity between display unit and ground.
MTBL1478
3. Check continuity between display unit and combination meter.
MTBL1479
OK or NG
OK Check combination meter.
NG Replace harness or connector.
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VFD DISPLAY
Trouble Diagnosis (Cont’d)
EL-237

System DescriptionNJEL0571MULTIFUNCTION SWITCH SYSTEMNJEL0571S01Refer to Owner′s Manual for multifunction switch operating instruc-
tions.
Using the multifunction switch at the center of the instrument panel,
the controls of the following systems are centralized:
Auto A/C system
Vehicle information system
Audio system
Navigation system
PRECAUTION OF LCD MONITORNJEL0571S02When passenger compartment temperature is low, the LCD
monitor sometimes dims because of the brightness of the back
light (small fluorescent light) integrated into the LCD monitor
decrease. In this case, the refreshing rate of the picture also
becomes low because of the low response of the LCD moni-
tor. When passenger compartment becomes warm, however,
the LCD recovers the normal display.
Sometimes, black or bright dots peculiar to LCD monitor can
be seen on the display.
Back light sometimes flickers or darkens according to the total
consumption hours and the number of ON and OFF switching.
In this case, the back light should be replaced (display unit
assembly).
POWER SUPPLY AND GROUNDNJEL0571S03Power is Supplied at All TimesNJEL0571S0301through 15A fuse (No. 40, located in fuse and fusible link box)
to display unit terminals 21 and 23
to audio unit terminals 3 and 4.
When Ignition Switch is in ACC or ON Position, Power
is Supplied
NJEL0571S0302through 10A fuse [No. 1, located in fuse block (J/B)]
to display unit terminal 19,
to multifunction switch terminal 6 and
to audio unit terminal 2.
When Ignition Switch is in ON or START Position,
Power is Supplied
NJEL0571S0303through 10A fuse [No. 10, located in fuse block (J/B)]
to display unit terminal 27.
Ground is SuppliedNJEL0571S0304to multifunction switch terminal 1 and
to display unit terminals 22 and 24
through body grounds M28, M67 and F118 (QG engine mod-
els).
AV COMMUNICATION LINENJEL0571S04Display unit is controlled by the following unit with AV communica-
tion line.
Multifunction switch
Audio unit
AV and NAVI control unit
LCD DISPLAY
System Description
EL-238

VEHICLE INFORMATION SYSTEMNJEL0571S05Refer to Owner′s Manual for vehicle information system operating
instructions.
Vehicle information system is monitoring to drive information, fuel
economy information and maintenance information.
YEL827D
1. Press “INFO” switch to display vehicle information display.
2. Select “Drive”, “Fuel Economy” or “Maintenance”.
Display items Display/Setting contents
DriveElapsed Time Displays driving time with a range of 0000:00:00 to 9999:59:59.
Driving Distance (km) Displays driving distance with a range of 00000.0 to99999.9.
Average speed
(km/h)Displays average speed with a range of 000.0 to 999.9.
Fuel EconomyAverage Fuel
Economy (/100 km)Displays fuel economy with ignition switch ON, average fuel
economy each 30 minutes.
Distance to Empty
(km)Displays possible driving distance with remaining fuel.
Fuel Economy (/100
km)Displays fuel economy each approx. 100 ms.
Fuel Economy
Record (/100 km)Displays Average Fuel Consumption History.
Maintenance
(with Maintenance information*)Engine oil Maintenance intervals of engine oil and setting of oil change cycle
Oil FilterMaintenance intervals of oil filter and setting of filter replacement
cycle
Custom 1 Determines when maintenance intervals are needed.
Custom 2 Determines when maintenance intervals are needed.
*: Maintenance information displays the change cycle of engine oil, oil filter, custom 1 and custom 2 on LCD monitor depending on the
driving distance specified by a driver or a technician.
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LCD DISPLAY
System Description (Cont’d)
EL-239

MKIB0144E
Drive InformationNJEL0571S05011. Select “Drive”.
2. Elapsed time, driving distance and average speed are dis-
played as drive information. When pushing “ENTER”, elapsed
time, driving distance and average speed are all reset.
MKIB0145E
Fuel Economy InformationNJEL0571S05021. Select “Fuel Economy”.
2. Average Fuel Economy, Distance to Empty, Fuel Economy are
displayed as Fuel Economy information.
SKIA0772E
3. Select “Fuel Economy Record”. The average fuel consumption
history will be displayed in graph along with the average for the
previous Reset – to – Reset period.
MKIB0146E
Maintenance InformationNJEL0571S05031. Select “Maintenance”.
2. Engine Oil, Oil Filter, Custom 1 and Custom 2 are displayed as
maintenance information.
WARNING INDICATIONSNJEL0571S06When combination meter receives warning signal from some con-
trol units or sensors, then combination meter warning lamp is illu-
minated.
Then combination meter sends warning signal to display unit warn-
ing indications on the screen.
LCD DISPLAY
System Description (Cont’d)
EL-240

Warning indicatorsWarning lamps in
instrument panelWarning detection and cancel conditions Cases of malfunction
ENGINE ENGINEDetection conditionWarning lamp ON signal is
detected while engine is running.
ECM malfunction
Cancel conditionWarning lamp OFF signal is
detected.
ENGINE OIL PRES-
SUREEngine oil
pressureDetection conditionWarning lamp ON signal is
detected for at least approx. 5
seconds while engine is running.Engine oil pressure
decreases.
Cancel conditionWarning lamp OFF signal is
detected.
AIR BAG Air bagDetection conditionWarning lamp ON signal is
detected for at least approx. 10
seconds after ignition switch is
turned ON.SRS air bag system mal-
function
Cancel conditionWarning lamp OFF signal is
detected.
LOW BRAKE FLUID BrakeDetection conditionWarning lamp ON signal (fluid
level) is detected.
Low brake fluid level
Cancel conditionWarning lamp OFF signal is
detected.
OVERHEATING –Detection conditionEngine coolant temperature as
being approx. 119°C (246°F) min.
Engine cooling system
malfunction
Cancel conditionEngine coolant temperature as
being approx. 105°C (221°F)
max.
CHARGE ChargeDetection conditionWarning lamp ON signal is
detected while engine is running.
Charging system malfunctionCharging system mal-
function
Cancel conditionWarning lamp OFF signal is
detected.
LOW WASHER FLUID –Detection conditionWasher liquid level falls below
approx. 0.8(1-3/8 Imp pt)
Low washer liquid level
Cancel condition Except above condition.
LOW FUEL Fuel levelDetection conditionAfter warning lamp ON signal is
detected, vehicle is driven for
over specified distance. [Fuel
level: Approx. 9.6(8-1/2 Imp
pt)]Low fuel level
Cancel conditionWarning lamp OFF signal is
detected.
PARKING BRAKE BrakeDetection conditionParking brake ON signal is
detected while vehicle is running
[approx. 5 km/h (3 MPH) or
faster].Parking brake remains
engaged.
Cancel conditionVehicle is stopped, or parking
brake OFF signal is detected.
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LCD DISPLAY
System Description (Cont’d)
EL-241

Warning indicatorsWarning lamps in
instrument panelWarning detection and cancel conditions Cases of malfunction
DOOR OPEN DoorDetection conditionVehicle is running [approx. 5
km/h (3 MPH) or faster] and door
ajar of any of the doors is
detected.Doorisopen
Cancel conditionVehicle is stopped and all the
doors lock.
ABS ABSDetection conditionWarning lamp ON signal is
detected when engine is running.
ABS control system mal-
function
Cancel conditionWarning lamp OFF signal is
detected.
ESP ELECTRONIC
CONTROL SYSTEMESPDetection conditionWarning lamp ON signal is
detected when engine is running.
ESP system malfunction
Cancel conditionWarning lamp OFF signal is
detected.
CVT ELECTRONIC
CONTROL SYSTEMCVTDetection conditionWarning lamp ON signal is
detected after ignition switch is
turned ON.
TCM system malfunction
Cancel conditionWarning lamp OFF signal is
detected.
CRUISE CONTROL
SYSTEMCRUISEDetection conditionWarning lamp ON signal is
detected after ignition switch is
turned ON.
ICC system malfunction
Cancel conditionWarning lamp OFF signal is
detected.
Precautions for Display Unit ReplacementNJEL0572Record the following memorized contents before replacing the control unit.

Preset frequency
Area for indicating station, selection of overlapped stations

Program status

Volume balance memory set values
Equalizer memory set values

Brightness of light when ON/OFF
Dimming switching
Display color switching
Replace the display unit after disconnecting both battery cables.
Component Parts and Harness Connector and
Harness Connector Location
NJEL0573For details, refer to “ELECTRICAL UNIT LOCATION” (EL-543) and “HARNESS LAYOUT” (EL-550).
LCD DISPLAY
System Description (Cont’d)
EL-242

Wiring Diagram — COMM —NJEL0574
YEL738D
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LCD DISPLAY
Wiring Diagram — COMM —
EL-243

YEL739D
LCD DISPLAY
Wiring Diagram — COMM — (Cont’d)
EL-244