Infiniti I30 (A33). Manual — part 373
INSPECTION/THERMAL TRANSMITTER
=NHEL0046S09
1
CHECK THERMAL TRANSMITTER
Refer to “THERMAL TRANSMITTER CHECK” (EL-162).
OK or NG
OK
©
GO TO 2.
NG
©
Replace.
2
CHECK HARNESS FOR OPEN OR SHORT
1. Disconnect combination meter connector and thermal transmitter connector.
2. Check continuity between combination meter terminal 18 and thermal transmitter terminal 1.
Continuity should exist.
3. Check continuity between combination meter terminal 18 and ground.
Continuity should not exist.
SEL184W
OK or NG
OK
©
Thermal transmitter is OK.
NG
©
Repair harness or connector.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
METERS AND GAUGES
Trouble Diagnoses (Cont’d)
EL-161
Electrical Components Inspection
=NHEL0047
METER/GAUGE RESISTANCE CHECK
NHEL0047S04
Check resistance between installation screws of meter/gauge.
Screws
Resistance
Ω
Tacho/Speedometer
Fuel/Temp. gauge
A - C
A - C
Approx. 190 - Approx. 260
B - D
B - C
Approx. 230 - Approx. 310
MEL371KB
MEL372K
FUEL LEVEL SENSOR UNIT CHECK
NHEL0047S01
I
For removal, refer to FE-6, “REMOVAL”.
Check the resistance between terminals 2 and 5.
Ohmmeter
Float position
mm (in)
Resistance
value
Ω
(+)
(−)
2
5
*1
Full
152 (5.98)
Approx. 4 - 6
*2
1/2
87 (3.43)
27 - 35
*3
Empty
22 (0.87)
78 - 85
*1 and *3: When float rod is in contact with stopper.
MEL424F
THERMAL TRANSMITTER CHECK
NHEL0047S02
Check the resistance between the terminals of thermal transmitter
and body ground.
Water temperature
Resistance
60°C (140°F)
Approx. 170 - 210
Ω
100°C (212°F)
Approx. 47 - 53
Ω
METERS AND GAUGES
Electrical Components Inspection
EL-162
CEL219A
VEHICLE SPEED SENSOR SIGNAL CHECK
NHEL0047S03
1.
Remove vehicle speed sensor from transmission.
2.
Turn vehicle speed sensor pinion quickly and measure voltage
across 1 and 2.
GI
MA
EM
LC
EC
FE
AT
AX
SU
BR
ST
RS
BT
HA
SC
IDX
METERS AND GAUGES
Electrical Components Inspection (Cont’d)
EL-163
SEL159Y
System Description
NHEL0307
This unit displays earth magnetism and heading direction of
vehicle.
DIRECTION DISPLAY
NHEL0307S02
Push the “COMP” switch when the ignition key is in the “ACC” or
“ON” position. The direction will be displayed.
Pushing the “COMP” switch a second time will turn off the display.
1.
If the display reads “C”, calibrate the compass by driving the
vehicle in 3 complete circles at less than 5 MPH.
2.
To adjust for Compass Variance:
a.
Press the “COMP” button for more than 3 seconds. The cur-
rent zone number will appear in the display.
b.
Find your current location and variance zone number on the
zone map.
c.
Press the “COMP” button until the new zone number appears
in the display. After you stop pressing the button in, the display
will show a compass direction within a few seconds.
NOTE:
1)
Do not install the ski rack, antenna, etc. which are attached to
the vehicle by means of a magnet. They affect the operation
of the compass.
2)
If the compass deviates from the correct indication soon after
repeated adjustment, have the compass checked at an autho-
rized dealer.
3)
The compass may not indicate the correct compass point in
tunnels or while driving up or down a steep hill.
(The compass returns to the correct compass point when the
vehicle moves to an area where the geomagnetism is stabi-
lized.)
3.
Cleaning the Mirror
When cleaning the mirror, use a paper towel or similar mate-
rial dampened with glass cleaner. Do not spray glass cleaner
directly on the mirror as that may cause the liquid cleaner to
enter the mirror housing.
COMPASS
System Description
EL-164
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