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AIR CONDITIONING CONTROLS (ONLY) ARE
INEFFECTIVE (REAR DEFOGGER CONTROL
EXCLUDED)
=NJEL0637S09
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 A/C AUTO AMP. AND DISPLAY UNIT CIRCUIT CHECK
1. Turn the ignition switch OFF.
2. Disconnect A/C auto amp. connector and display unit connector.
3. Check continuity between display unit and A/C auto amp.
MKIB0220E
MTBL1475
4. Check continuity between display unit and ground.
MTBL1476
OK or NG
OK GO TO 3.
NG Replace harness or connector.
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VFD DISPLAY
Trouble Diagnosis (Cont’d)
EL-233
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3 A/C–AV, AV–AC, AC–CLK COMMUNICATION SIGNAL CHECK
1. Connect A/C auto amp. connector.
2. Turn the ignition switch ON.
3. Check voltage between display unit and ground.
MKIB0222E
MTBL1477
OK or NG
OK Replace display unit.
NG Replace A/C auto amp.
VFD DISPLAY
Trouble Diagnosis (Cont’d)
EL-234
Page 2571 of 3189
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
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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
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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
Page 2574 of 3189

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
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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
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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